:2017 Pacific typhoon season

During the year, several national meteorological services and scientific agencies forecast how many tropical cyclones, tropical storms, and typhoons will form during a season and/or how many tropical cyclones will affect a particular country. These agencies include the Tropical Storm Risk (TSR) Consortium of University College London, PAGASA, and Taiwan's Central Weather Bureau. The first forecast of the year was released by PAGASA during January 20, within its seasonal climate outlook for the period January–June. The outlook noted that one to two tropical cyclones were expected between January and March, while two to four were expected to develop or enter the Philippine Area of Responsibility between April and June. On March 23, the Hong Kong Observatory predicted that the tropical cyclone season in Hong Kong would be near-normal, with four to seven tropical cyclones coming within {{convert|500|km|mi|abbr=on}} of the territory, compared to an average of six, which was revised to six to nine tropical cyclones in August.{{cite web|title=Director of the Hong Kong Observatory highlights Observatory's latest developments March 23, 2017|date=March 23, 2017|access-date=April 14, 2017|url=http://www.hko.gov.hk/press/WP/2017/pre20170323.htm|publisher=Hong Kong Observatory|author=Chi-ming, Shun|archive-date=April 15, 2017|archive-url=https://web.archive.org/web/20170415011650/http://www.hko.gov.hk/press/WP/2017/pre20170323.htm|url-status=dead}}

On May 5, Tropical Storm Risk (TSR) issued their first forecast for the season, anticipating an activity of slightly above normal with 27 named storms, 17 typhoons and 10 intense typhoons, including an accumulated cyclone energy (ACE) of 357. On June 26, Taiwan's Central Weather Bureau (CWB) predicted a normal season with 21–25 tropical storms developing over the basin, while three — five systems were expected to affect Taiwan itself. On the same day, the Thai Meteorological Department (TMD) predicted that 2 tropical cyclones would move towards the northern or northeastern parts of Thailand during August or September.{{cite web |url=https://www.tmd.go.th/en/seasonal_forecast.php |title=The Seasonal forecast of Thailand during the Rainy Season of 2017 |author= |date=26 June 2017 |website=Thai Meteorological Department |publisher=Ministry of Digital Economy and Society |access-date=28 August 2017 |archive-date=21 October 2016 |archive-url=https://web.archive.org/web/20161021115744/http://www.tmd.go.th/en/seasonal_forecast.php |url-status=dead }} On July 6, TSR released their second forecast for the season, reducing the predicted numbers to 25 named storms, 15 typhoons, and 7 intense typhoons, with an ACE Index of 250. During the same day, the PAGASA issued their second and final outlook for the season for the period of July–December, where six to nine tropical cyclones were expected to develop or entered their area of responsibility between July and September, while three to five were forecast during October to December. During August 8, the TSR released their third and final forecast for the season, slightly raising their forecast named storms to 26, with 14 reaching typhoon intensity and 7 reaching intense typhoon intensity. ACE Indices were slightly raised to 255.

{{clear}}

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from:23/09/2017 till:25/09/2017 color:TD text:"Nando"

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from:11/10/2017 till:16/10/2017 color:STY text:"Khanun"

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from:16/11/2017 till:19/11/2017 color:TS text:"Kirogi"

from:13/12/2017 till:23/12/2017 color:TS text:"Kai-tak"

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The first half of the season was relatively inactive, with only seven systems developing, of which only two intensified into tropical storms. The first system of 2017 developed on January 7, and was named Auring by PAGASA. Tropical Depression Bising developed during the first week of February, and was a factor in, and worsened the effects of, the 2017 Visayas and Mindanao floods. This was followed by Crising, the third system unofficially named by PAGASA. Heavy rains from the depression caused flooding that led to the deaths of 10 people in Cebu, Philippines. Shortly after the dissipation of Crising came the formation of the first tropical storm of the season — Muifa. The system was not strong, however, and was located away from all major land areas, so it caused no damage. No systems formed during the month of May, the first such occurrence since 2013. The next cyclone, Merbok, formed during mid-June, and made landfall in Shenzhen in China. The cyclone was short-lived; however, it was relatively strong, producing winds of {{convert|100|km/h|mph|abbr=on|round=5}} at its peak. Nanmadol passed over the Ryukyu Islands and progressed to make landfall in Nagasaki on Japan's island of Kyushu during early July. Torrential rainfall and strong winds from the cyclone itself and from the stormy weather that persisted for a number of days were responsible for major damage and 41 fatalities across mainland Japan.

{{Costliest known typhoon seasons}}Image:Sonca, Haitang, Nesat, Noru 2017-07-29.jpg (the furthest left and inland), Haitang (center-left), Nesat (center-right), and Noru (top-right).]]

By the middle of July, tropical activity had increased with simultaneous tropical storms developing after July 14. Severe Tropical Storm Talas formed during mid-July near the Paracel Islands in the South China Sea, and traveled generally westwards. It made landfall in Vietnam after brushing China's Hainan province and, unusually, continued to track far inland to the Laos–Thailand border before weakening to a depression. At least 14 deaths were attributed to the storm, primarily as a result of flooding. Later, the season was very active with 7 storms in late July-early August. Typhoon Noru reached Category 4 super typhoon in peak intensity and made landfall in Japan, causing $100 million in damage. Tropical Storm Sonca made landfall in Quảng Trị, Vietnam; 2017 was the first year since 1971 where 2 storms made landfall in Central Vietnam in July. Sonca brought heavy rainfall in Northeast Thailand and caused extreme flooding in the region with estimated costs of over US$300 million. Typhoon Nesat and Tropical storm Haitang made landfall in Taiwan and Fujian (a province in China), respectively, 2 days apart. In mid-late August, Typhoon Hato and Tropical Storm Pakhar made landfall in Macau and Guangdong respectively while they were at peak intensity. So far Typhoon Hato is the costliest tropical cyclone in Northwest Pacific in 2017 with damages totalling $6.82 billion.

The season was weaker in September. Typhoon Talim made landfall in Japan as a minimal typhoon and caused US$700 million in damage. Typhoon Doksuri made landfall in Quảng Bình, Vietnam as a Category 3 typhoon; damage was very major as the total was estimated at over US$814 million. In early October a tropical depression made landfall in Northern and North Central Vietnam, which brought very heavy rainfall and was responsible for the worst flooding in Northern and North-Central Vietnam, with 109 deaths and total damages of over US$570 million. Later, Typhoon Khanun made landfall in Southern China. So far Typhoon Lan has been the strongest tropical cyclone in the basin in 2017, and became the second largest tropical cyclone on record.

In November, La Niña was returned and tropical activity had increased with simultaneous tropical storms developing, and most of them moved west and affected Philippines and Vietnam. Typhoon Damrey made landfall in Khánh Hòa, Vietnam and became one of the costliest typhoon in Vietnamese history since 1975; and it is one of the costliest and deadliest typhoon in the basin in 2017 with total damage reached US$1.03 billion and 151 deaths. Later, two weak storms affected Philippines. In December, Tropical storm Kai-tak caused flooding in Central Philippines. Typhoon Tembin was responsible for severe flooding and landslides in South Philippines, it became the deadliest tropical cyclone in 2017 with over 250 deaths. Typhoon Tembin moved South into the China Sea, so 2017 became the most active tropical cyclone season in the South China Sea with 22 Tropical cyclones, and Tembin affected Southern Vietnam.

{{Main|Tropical Depression Auring (2017)}}

{{Infobox tropical cyclone small

| Basin=WPac

| Formed=January 7

| Dissipated=January 16

| Image=Auring 2017-01-08 0510Z.jpg

| Track=Auring 2017 track.png

| 10-min winds=30

| 1-min winds=30

| Pressure=1000

}}

On January 7, both PAGASA and the JMA reported that Tropical Depression Auring developed about {{convert|400|km|mi|round=5|abbr=on}} to the northeast of Davao City on Mindanao, Philippines.{{cite web|url=http://www.pagasa.dost.gov.ph/index.php/tropical-cyclones/weather-bulletins/358-tropical-cyclones/severe-weather-bulletin/auring-2017-bulletin/4402-1 |title = #1 |access-date=2017-01-07 |url-status=dead |archive-url=https://web.archive.org/web/20170109113528/http://www.pagasa.dost.gov.ph/index.php/tropical-cyclones/weather-bulletins/358-tropical-cyclones/severe-weather-bulletin/auring-2017-bulletin/4402-1 |archive-date=2017-01-09}}https://www.webcitation.org/6nLHT1u8P?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201701070000.htm During that day, the system moved along the southern periphery of a subtropical ridge of high pressure, before the JTWC initiated advisories on the system and designated it as Tropical Depression 01W.{{cite web|title=Prognostic Reasoning for Tropical Depression 01W (One) Warning Nr 001 |url=http://tgftp.nws.noaa.gov/data/raw/wd/wdpn31.pgtw..txt |publisher=Joint Typhoon Warning Center |access-date=January 8, 2017 |archive-url=https://archive.today/20240524014106/https://www.webcitation.org/6nMqz9avf?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201701072100.htm |archive-date=May 24, 2024 |date=January 8, 2017 |url-status=dead }} It later made landfall in the Philippines the next day, and was assessed to have degenerated into a remnant low by the JTWC.{{cite web|title=Tropical Depression 01W (One) Warning Nr 007 |url=http://tgftp.nws.noaa.gov/data/raw/wt/wtpn31.pgtw..txt |publisher=Joint Typhoon Warning Center |access-date=January 8, 2017 |archive-url=https://archive.today/20240524014145/https://www.webcitation.org/6nNwiK7Su?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201701090900.htm |archive-date=May 24, 2024 |date=January 8, 2017 |url-status=dead }} {{citation needed span|The JMA tracked the system until it emerged into the South China Sea.|date=May 2017}} By January 15, the JTWC re-issued advisories as it was located to the east of Vietnam.{{cite web |title=Prognostic Reasoning for Tropical Depression 01W (One) Warning Nr 008 |url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201701150300.htm |date=January 15, 2017 |archive-date=May 24, 2024 |publisher=Joint Typhoon Warning Center |url-status=dead |archive-url=https://archive.today/20240524014305/https://www.webcitation.org/6nZ1z4mTa?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201701150300.htm |access-date=May 22, 2017 }} However, convection dissipated due to wind shear and land interaction, the JTWC issued their final warnings on January 16.{{cite web|title=Tropical Depression 01W (One) Warning Nr 012 |url=http://tgftp.nws.noaa.gov/data/raw/wt/wtpn31.pgtw..txt |publisher=Joint Typhoon Warning Center |access-date=January 16, 2017 |archive-url=https://archive.today/20240524014226/https://www.webcitation.org/6nZ1dKGDq?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201701160300.htm |archive-date=May 24, 2024 |date=January 16, 2017 |url-status=dead }}

Flooding from Auring killed a total of 11 people.{{Cite web|url=http://thoughtleadership.aonbenfield.com/Documents/20170208-ab-analytics-if-january-global-recap.pdf|title=Global Catastrophe Recap January 2017|website=thoughtleadership.aonbenfield.com|publisher=Aon Benfield|access-date=February 8, 2017|archive-date=February 19, 2017|archive-url=https://web.archive.org/web/20170219091856/http://thoughtleadership.aonbenfield.com/Documents/20170208-ab-analytics-if-january-global-recap.pdf|url-status=dead}} Damages from Tropical Depression Auring were totaled at ₱7.14 million (US$144,000) from agriculture and fishing in Negros Occidental.{{cite web|title='Auring' damage to agro-fishery in Negros Occidental reaches P7.14M|url=http://www.sunstar.com.ph/bacolod/business/2017/01/21/auring-damage-agro-fishery-negros-occidental-reaches-p714m-521337|archive-url=https://web.archive.org/web/20220607134809/http://webcache.googleusercontent.com/search?q=cache:http://www.sunstar.com.ph/bacolod/business/2017/01/21/auring-damage-agro-fishery-negros-occidental-reaches-p714m-521337|url-status=dead|archive-date=June 7, 2022|date=January 21, 2017|publisher=Sunstar}}

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{{Infobox tropical cyclone small

| Basin=WPac

| Formed=February 3

| Dissipated=February 7

| Image=Bising 2017-02-05 0410Z.jpg

| Track=Bising 2017 track.png

| 10-min winds=30

| Pressure=1000

}}

On February 3, a tropical depression developed near Palau.{{cite web|title=Tropical Cyclone Advisory for Analysis and Forecast 2017-02-03T06:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/02/03/tropical-cyclone-advisory-for-analysis-and-forecast-2017-02-03t060000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=February 3, 2017|archive-date=2017-02-04|archive-url=https://web.archive.org/web/20170204003129/http://www.wis-jma.go.jp/cms/warning/2017/02/03/tropical-cyclone-advisory-for-analysis-and-forecast-2017-02-03t060000z/|url-status=dead}} The PAGASA would later name it as "Bising" as the depression was present at the Philippine Area of Responsibility.{{cite report|title=Severe Weather Bulletin No. 01 re Tropical Depression "BISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3014/SWB_No_1_re_Tropical_Depression_BISING_issued_on_03FEB2017_1700H.pdf|archive-url=https://web.archive.org/web/20211207113648/https://ndrrmc.gov.ph/attachments/article/3014/SWB_No_1_re_Tropical_Depression_BISING_issued_on_03FEB2017_1700H.pdf|url-status=dead|archive-date=December 7, 2021|publisher=National Disaster Risk Reduction and Management Council|date=February 3, 2017|access-date=January 20, 2019}}{{cite news|title=Tropical Depression Bising set to bring moderate to heavy rain|url=https://www.rappler.com/nation/special-coverage/weather-alert/160404-20170203-pagasa-weather-forecast-5pm|publisher=Rappler|date=February 3, 2017|access-date=January 20, 2019}} The storm would meander around the Philippine Sea, until the depression started to weaken when its LLCC became exposed, while moving north-northeast.{{cite report|title=Severe Weather Bulletin No. 05 re Tropical Depression "BISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3014/SWB_No_5_re_Tropical_Depression_BISING_issued_on_05FEB2017_1100H.pdf|publisher=National Disaster Risk Reduction and Management Council|date=February 5, 2017|access-date=January 20, 2019|archive-date=July 12, 2018|archive-url=https://web.archive.org/web/20180712184848/http://www.ndrrmc.gov.ph/attachments/article/3014/SWB_No_5_re_Tropical_Depression_BISING_issued_on_05FEB2017_1100H.pdf|url-status=dead}}{{cite report|title=Severe Weather Bulletin No. 06 re Tropical Depression "BISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3014/SWB_No_6_re_Tropical_Depression_BISING_issued_on_05FEB2017_2300H.pdf|publisher=National Disaster Risk Reduction and Management Council|date=February 5, 2017|access-date=January 20, 2019|archive-date=July 12, 2018|archive-url=https://web.archive.org/web/20180712180103/http://www.ndrrmc.gov.ph/attachments/article/3014/SWB_No_6_re_Tropical_Depression_BISING_issued_on_05FEB2017_2300H.pdf|url-status=dead}} The agency would not notice its weakening until the next day, when they issued their last advisory.{{cite report|title=Severe Weather No. 07 re Tropical Depression "BISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3014/SWB_No_7_re_Tropical_Depression_BISING_issued_on_06FEB2017_1100H.pdf|archive-url=https://web.archive.org/web/20211201041014/https://ndrrmc.gov.ph/attachments/article/3014/SWB_No_7_re_Tropical_Depression_BISING_issued_on_06FEB2017_1100H.pdf|url-status=dead|archive-date=December 1, 2021|publisher=National Disaster Risk Reduction and Management Council|date=February 6, 2017|access-date=January 20, 2019}}

{{Clear}}

{{Infobox tropical cyclone small

| Basin=WPac

| Formed=April 13

| Dissipated=April 19

| Image=Crising 2017-04-14 0515Z.jpg

| Track=Crising 2017 track.png

| 10-min winds=30

| 1-min winds=25

| Pressure=1006

}}

{{Main|Tropical Depression Crising (2017)}}

A tropical depression formed over Palau on April 13.{{Cite web|url=http://www.wis-jma.go.jp/cms/warning/2017/04/13/marine-weather-warning-for-gmdss-metarea-xi-2017-04-13t000000z/|title=Marine Weather Warning for GMDSS Metarea XI 2017-04-13T00:00:00Z|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=April 13, 2017}} On the next day, the JTWC designated the depression as "02W"; on the best track, the depression was a remnant low at this time.{{cite web|title=bwp022017.dat|url=http://ftp.emc.ncep.noaa.gov/wd20vxt/hwrf-init/decks/bwp022017.dat|publisher=National Oceanic and Atmospheric Administration|date=February 20, 2017|access-date=January 20, 2019}} Hours later, the PAGASA would name it "Crising" as the depression was present at the Philippine Area of Responsibility.{{cite report|title=Severe Weather Bulletin No. 1 re Tropical Depression "CRISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3062/Update_on_Severe_Weather_Bulletin_No_01_re_Tropical_Despression_CRISING_Issued_on_14April2017_5PM.pdf|publisher=National Disaster Risk Reduction and Management Council|date=April 14, 2017|access-date=January 20, 2017|archive-date=July 12, 2018|archive-url=https://web.archive.org/web/20180712180119/http://www.ndrrmc.gov.ph/attachments/article/3062/Update_on_Severe_Weather_Bulletin_No_01_re_Tropical_Despression_CRISING_Issued_on_14April2017_5PM.pdf|url-status=dead}}{{cite news|title=Low-pressure area intensifies into tropical depression 'Crising'|url=https://news.abs-cbn.com/news/04/14/17/low-pressure-area-intensifies-into-tropical-depression-crising|publisher=ABS-CBNnews.com|date=April 14, 2017|access-date=January 21, 2017}} The depression would later shrink its size while approaching the Visayas region.{{cite report|title=Severe Weather Bulletin No. 3 re Tropical Depression "CRISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3062/Update_on_Severe_Weather_Bulletin_No_03_re_Tropical_Despression_CRISING_Issued_on_14April2017_11PM.pdf|archive-url=https://web.archive.org/web/20211130233746/https://ndrrmc.gov.ph/attachments/article/3062/Update_on_Severe_Weather_Bulletin_No_03_re_Tropical_Despression_CRISING_Issued_on_14April2017_11PM.pdf|url-status=dead|archive-date=November 30, 2021|publisher=National Disaster Risk Reduction and Management Council|date=April 14, 2017|access-date=January 21, 2017}} On the following day, the agency reported that "Crising" slightly intensified while moving near the Samar provinces; the intensification of the storm would prove only momentarily and weakened again.{{cite report|title=Severe Weather Bulletin No. 5 re Tropical Depression "CRISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3062/Update_on_Severe_Weather_Bulletin_No_05_re_Tropical_Despression_CRISING_Issued_on_15April2017_5AM.pdf|archive-url=https://web.archive.org/web/20211201001436/https://ndrrmc.gov.ph/attachments/article/3062/Update_on_Severe_Weather_Bulletin_No_05_re_Tropical_Despression_CRISING_Issued_on_15April2017_5AM.pdf|url-status=dead|archive-date=December 1, 2021|publisher=National Disaster Risk Reduction and Management Council|date=April 15, 2017|access-date=January 21, 2017}}{{cite report|title=Severe Weather Bulletin No. 7 re Tropical Depression "CRISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3062/Update_SWB_No_7_Tropical_Depression_Crising_issued_on_15APR2017.pdf|archive-url=https://web.archive.org/web/20211208000444/https://ndrrmc.gov.ph/attachments/article/3062/Update_SWB_No_7_Tropical_Depression_Crising_issued_on_15APR2017.pdf|url-status=dead|archive-date=December 8, 2021|publisher=National Disaster Risk Reduction and Management Council|date=April 15, 2017|access-date=January 21, 2017}} The JTWC would later discontinue advisories on the storm; on its best track, the system remained as a disturbance. The PAGASA discontinued the advisories on the system as it was nearing landfall on 13:00 UTC (9:00 pm PHST) over Hernani, Eastern Samar.{{cite report|title=Severe Weather Bulletin No. 9 re Tropical Depression "CRISING"|url=http://www.ndrrmc.gov.ph/attachments/article/3062/Update_SWB_No_9_Tropical_Depression_Crising_issued_on_15APR2017.pdf|archive-url=https://web.archive.org/web/20211201001919/https://ndrrmc.gov.ph/attachments/article/3062/Update_SWB_No_9_Tropical_Depression_Crising_issued_on_15APR2017.pdf|url-status=dead|archive-date=December 1, 2021|publisher=National Disaster Risk Reduction and Management Council|date=April 15, 2017|access-date=January 21, 2017}} The remnants of the depression crossed the region and into the South China Sea.{{cite web|title=WeatherPhilippines Daily Graphical Satellite Analysis from 2pm Apr 16 until 2pm Apr 17, 2017|url=https://weatherph.org/weatherphilippines-daily-graphical-satellite-analysis-from-2pm-apr-16-until-2pm-apr-17-2017/|author=AS Manzan|publisher=WeatherPhilippines Foundation|date=April 16, 2017|access-date=January 21, 2017|archive-date=January 22, 2019|archive-url=https://web.archive.org/web/20190122145022/https://weatherph.org/weatherphilippines-daily-graphical-satellite-analysis-from-2pm-apr-16-until-2pm-apr-17-2017/|url-status=dead}} At 18:00 UTC on April 18, the JTWC would upgrade the disturbance as 02W; operationally, the system was kept as a disturbance. The status would be short-lived, as the JTWC declared 02W as a disturbance. The remnants would later linger around, dissipating on April 20, while in the Luzon Strait.

As of April 17, at least 10 people were reported to be killed in Cebu by flooding caused by the system. Total damages throughout the Philippines reached ₱84.8 million (US$1.7 million), mostly from Danao, Cebu.{{cite web|title=Capitol pegs Crising damage at P84.8M|url=http://cebudailynews.inquirer.net/130903/capitol-pegs-crising-damage-p84-8-m|date=April 25, 2017|publisher=Inquirer}}

{{clear}}

{{Infobox tropical cyclone small

| Basin=WPac

| Formed=April 22

| Dissipated=April 29

| Image=Muifa 2017-04-26 0410Z.jpg

| Track=Muifa 2017 track.png

| 10-min winds=35

| 1-min winds=40

| Pressure=1002

}}

During April 22, the JMA started to monitor a tropical depression that had developed near Guam.{{cite web|title=bst2017.txt|url=https://www.jma.go.jp/jma/jma-eng/jma-center/rsmc-hp-pub-eg/Besttracks/bst2017.txt|agency=Japan Meteorological Agency|access-date=January 22, 2019|archive-date=January 23, 2019|archive-url=https://web.archive.org/web/20190123210826/http://www.jma.go.jp/jma/jma-eng/jma-center/rsmc-hp-pub-eg/Besttracks/bst2017.txt|url-status=dead}} After moving westward for a couple of days, the JTWC began issuing advisories, and designated the storm 03W. By April 25, 03W organized and began consolidating further as the JMA upgraded the depression to a tropical storm, giving it the name Muifa. Muifa entered the Philippine Area of Responsibility the following day, and was named Dante by PAGASA.{{cite web|title='Dante' intensifies into tropical storm as it enters PAR|url=http://newsinfo.inquirer.net/892083/dante-intensifies-into-tropical-storm-as-it-enters-par|date=April 26, 2017|publisher=Inquirer.net}} The storm, however, started moving northwards and immediately tracked out of the area by April 27.{{cite web|title=SEVERE WEATHER BULLETIN #4-FINAL|url=https://kidlat.pagasa.dost.gov.ph/index.php/350-tropical-cyclones/severe-weather-bulletin/dante-2017-bulletin|date=April 27, 2017|publisher=Philippine Atmospheric, Geophysical and Astronomical Services Administration|access-date=September 6, 2018|archive-date=September 6, 2018|archive-url=https://web.archive.org/web/20180906061251/https://kidlat.pagasa.dost.gov.ph/index.php/350-tropical-cyclones/severe-weather-bulletin/dante-2017-bulletin|url-status=dead}} Following this, both the JMA and the JTWC downgraded Muifa to a tropical depression. Muifa fully dissipated early on April 29, and the JMA issued their final advisory on the storm.

{{clear}}

{{Infobox tropical cyclone small

| Basin=WPac

| Formed=June 10

| Dissipated=June 13

| Image=Merbok 2017-06-12 0508Z.jpg

| Track=Merbok 2017 track.png

| 10-min winds=55

| 1-min winds=45

| Pressure=985

}}

{{Main|Tropical Storm Merbok (2017)}}

On June 10, the JMA started to track a tropical depression to the west of Manila, Philippines. {{citation needed span|After the system entered a region favorable for further development, the depression rapidly organized, prompting the JTWC to start issuing advisories and give it the designation of 04W.|date=April 2018}} A few hours later, 04W had intensified into a tropical storm, receiving the name Merbok as it starts to move in a north-northwestward direction. On June 12, Merbok reached its peak intensity with 10-minute winds of {{convert|100|km/h|mph|abbr=on|round=5}} and a minimum pressure of 985 hPa, shortly before making landfall in Eastern Shenzhen. On June 13, the JMA issued its final warning on Merbok, as the system dissipated over China.{{Cite web|url=http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/warnings/wp0417web.txt|title=Tropical Storm 04W (Merbok) Warning NR 008 |website=usno.navy.mil |access-date=2017-06-12 |url-status=dead |archive-url=https://archive.today/20240524014349/https://www.webcitation.org/6rAlgI15K?url=http://www.usno.navy.mil/NOOC/nmfc-ph/RSS/jtwc/warnings/wp0417web.txt |archive-date=2024-05-24}}{{cite web|title=Tropical Cyclone Best Track 1702 Merbok (1702) |agency=Japan Meteorological Agency |date=July 19, 2017 |archive-date=May 22, 2024 |url-status=live|archive-url=https://archive.today/20240522101035/https://www.webcitation.org/6s4A4pc4I?url=http://gwydir.demon.co.uk/advisories/AXPQ20-RJTD_201707190400.htm |url=http://tgftp.nws.noaa.gov/data/raw/ax/axpq20.rjtd..txt }}

Sustained winds of {{convert|51.3|kn}} and a minimum pressure of {{convert|990.3|hPa|inHg|abbr=on}} were recorded in Hong Kong as the eye passed nearby. Across Guangdong Province, 32 homes were destroyed, 122,000 people reported property damage, and 13,000 hectares of crops flooded. Total economic losses in South China were counted to be CN¥600 million (US$88.3 million).{{cite conference|page=16|conference=ESCAP/WMO Typhoon Committee: 12th Integrated Workshop|title=Member Report: China|url=http://www.typhooncommittee.org/8IWS_2TRCG/docs/Members%20Report/2013MemberReportChina.pdf|date=November 26, 2017|archive-date=December 3, 2013|publisher=ESCAP/WMO Typhoon Committee|access-date=November 26, 2017|conference-url= http://www.typhooncommittee.org/12IWS/index12IWS.html|archive-url=https://web.archive.org/web/20131203012415/http://www.typhooncommittee.org/8IWS_2TRCG/docs/Members%20Report/2013MemberReportChina.pdf|url-status=live|author=China Meteorological Agency}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 1

|Dissipated=July 4

|Image=Nanmadol 2017-07-03 0512Z.jpg

|Track=Nanmadol 2017 track.png

|10-min winds=55

|1-min winds=65

|Pressure=985

}}

{{Main|Tropical Storm Nanmadol (2017)}}

On July 1, the JMA upgraded a low-pressure area it had been monitoring to a tropical depression, located south-southwest of Okinotorishima.{{cite web |title=Tropical Cyclone Best Track 1703 Nanmadol (1703) |agency=Japan Meteorological Agency |date=August 28, 2017 |archive-date=May 22, 2024 |url-status=dead |archive-url=https://archive.today/20240522101158/https://www.webcitation.org/6t3SdmySw?url=http://gwydir.demon.co.uk/advisories/AXPQ20-RJTD_201708280800.htm |url=http://www.wis-jma.go.jp/cms/warning/2017/08/28/typhoon-best-track-2017-08-28t080000z/ }} Later that day, the JMA began issuing advisories once the depression's sustained winds were estimated at {{convert|55|km/h|mph|abbr=on|round=5}}.{{Cite web|url=http://www.jma.go.jp/en/typh/|archive-url=https://web.archive.org/web/20050803011512/http://www.jma.go.jp/en/typh/|url-status=dead|archive-date=2005-08-03|title=JMA track |website=www.webcitation.org|access-date=2017-07-01}} Shortly thereafter, the PAGASA classified the system as a tropical depression, assigning the local name Emong. On July 2, the JMA classified the system as a tropical storm, and assigned the official name Nanmadol. The JTWC followed suit and gave the internal designation of 05W. The cyclone continued to intensify, and was upgraded by the JMA to a severe tropical storm later that day. Nanmadol reached peak intensity at about 06:00 UTC on July 3, and maintained this strength until making landfall on the western coast of Kyushu several hours later. The cyclone began to accelerate while following a generally eastward course across the south of Japan. After brushing the southern coast of Japan, the JTWC issued its final advisory during the next day. The JMA followed suit late on July 4, when it had become extratropical. Its remnants moved out of the basin three days later.

Evacuation advisories were issued to at least 20,000 residents due to fears of possible flooding and landslides, especially in the prefectures of Niigata, Toyama and Nagano, which had experienced rainfall accumulations of up to {{convert|300|mm|in|abbr=on}} in the preceding hours.{{Cite news|url=https://mainichi.jp/english/articles/20170705/p2g/00m/0dm/001000c#cxrecs_s|title=Typhoon rips through Japan archipelago, causing mudslides, blackouts|date=2017-07-05|work=Mainichi Daily News|access-date=2017-07-05|archive-url=https://web.archive.org/web/20170806140309/https://mainichi.jp/english/articles/20170705/p2g/00m/0dm/001000c#cxrecs_s|archive-date=2017-08-06|url-status=dead}}{{Cite news|url=http://www.straitstimes.com/asia/east-asia/japan-typhoon-grounds-flights-injures-3|title=Japan typhoon grounds flights, injures 3|last=hermesauto|date=2017-07-04|work=The Straits Times|access-date=2017-07-05}} At least three people were injured during the storm—a young boy's hand was injured when a school window broke in the city of Kumamoto, and two adults in Ōita prefecture sustained minor injuries after falling due to the strong winds.{{Cite news|url=https://japantoday.com/category/national/update1-typhoon-nanmadol-makes-landfall-in-nagasaki|title=Typhoon causes mudslides, blackouts|work=Japan Today|access-date=2017-07-05}} A total of 41 people have been confirmed dead due to torrential rains which caused landslides and flooding, particularly in Kyushu. Total damages from the storm in Japan were amounted to be ¥190 billion (US$1.68 billion).{{cite web|url=https://www.mlit.go.jp/common/001286374.pdf|script-title=ja:平成 29 年の水害被害額（確報値）を公表|language=ja|website=Ministry of Land, Infrastructure, Transport and Tourism|date=April 19, 2019|access-date=May 2, 2019}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 14

|Dissipated=July 17

|Image=Talas 2017-07-16 0612Z.jpg

|Track=Talas 2017 track.png

|10-min winds=50

|1-min winds=50

|Pressure=985

}}

{{Main|Tropical Storm Talas (2017)}}

Early on July 14, the JMA upgraded a low-pressure area in the South China Sea to a tropical depression after the system began to organize.{{Cite web|url=http://www.wis-jma.go.jp/cms/warning/2017/07/14/marine-weather-warning-for-gmdss-metarea-xi-2017-07-14t060000z/|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-14T06:00:00Z|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 14, 2017}} Late the same day, the JMA began issuing advisories on the depression, and forecast it to develop into a tropical storm within the next 24 hours.{{Cite web|url=http://www.jma.go.jp/en/typh/a.html|archive-url=https://web.archive.org/web/20110524051415/http://www.jma.go.jp/en/typh/a.html|url-status=dead|archive-date=2011-05-24|title=JMA track |website=www.webcitation.org|access-date=2017-07-14}} The system intensified into a tropical storm, and was then named Talas. A few days later, Talas intensified further to become a severe tropical storm.

Talas made landfall near Vinh of Nghệ An Province in Central Vietnam at 01:00 ICT on July 17 (18:00 UTC on July 16) as a severe tropical storm.{{cite web|title=Tropical Storm Talas (06W)|url=https://reactionsnet.com/CatastropheCentre/Details?externalId=3535597|publisher=Reactions|access-date=19 July 2017|date=17 July 2017|url-status=usurped|archive-url=https://web.archive.org/web/20170717131120/https://reactionsnet.com/CatastropheCentre/Details?externalId=3535597|archive-date=17 July 2017}} In Vietnam, the storm left 14 people dead and damaged around 2,700 houses. A coal ship with 13 crew members sank off the coast of Cửa Lò, leaving 3 dead and another 3 still unaccounted for.{{cite news|title=Storm Talas kills 14 in Vietnam, destroys homes|url=http://www.straitstimes.com/asia/se-asia/storm-talas-kills-14-in-vietnam-destroys-homes|access-date=19 July 2017|work=The Straits Times|date=19 July 2017}} Damages in Vietnam were counted to be 993 billion₫ (US$43.7 million).{{cite news|title=Storm-ravaged Vietnamese province closes beaches with Sonca bearing down|url=http://e.vnexpress.net/news/news/storm-ravaged-vietnamese-province-closes-beaches-with-sonca-bearing-down-3618050.html|date=July 25, 2017|publisher=VN Express}} Total economic losses in Hainan Province reached CNY 60 million (US$8.8 million).

{{Clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 19

|Dissipated=August 8

|Image=Noru 2017-07-31 0415Z.jpg

|Track=Noru 2017 track.png

|10-min winds=95

|1-min winds=135

|Pressure=935

}}

{{Main|Typhoon Noru (2017)}}

The JMA reported that a non-tropical low had transitioned into a tropical depression north-northwest of Wake Island early on July 19. Twelve hours later it had strengthened to a tropical storm, and was named Noru.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-19T00:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/19/marine-weather-warning-for-gmdss-metarea-xi-2017-07-19t000000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 19, 2017}} Noru then interacted with Tropical Storm Kulap, its counterpart storm, and began to exhibit a fujiwhara effect with Kulap. Tropical Storm Kulap then weakened enough, and when it dissipated, its remnants started to power Noru, and it became a severe tropical storm after, and continued its long and erratic journey towards Japan.

About halfway through July 22, the system became the first typhoon of the season, and fluctuations in intensity occurred until late on July 29, when it slowed down, and shortly thereafter, explosive intensification ensued, and Noru intensified into a Category 4 super typhoon. After it reached peak intensity, it quickly began to weaken for a short period of time before slowing the rate of weakening. It briefly accelerated, before yet again, it began to stall near Japan for some time before moving north and dissipating in the Sea of Japan. Total economic losses in Japan were counted to be US$100 million.{{Cite web|url=http://thoughtleadership.aonbenfield.com/Documents/20170907-ab-analytics-if-august-global-recap.pdf|title=Global Catastrophe Recap August 2017|website=thoughtleadership.aonbenfield.com|publisher=Aon Benfield|access-date=September 7, 2017|archive-date=October 8, 2017|archive-url=https://web.archive.org/web/20171008130207/http://thoughtleadership.aonbenfield.com/Documents/20170907-ab-analytics-if-august-global-recap.pdf|url-status=dead}}

{{Clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 20

|Dissipated=July 28

|Image=Kulap 2017-07-24 0200Z.jpg

|Track=Kulap 2017 track.png

|10-min winds=40

|1-min winds=50

|Pressure=1002

}}

On July 20, the JMA started to monitor a tropical depression that formed over to the southwest of Midway Atoll, just to the west of the International Date Line. The JTWC classified the system as subtropical, however.https://www.webcitation.org/6s5rpCQiO?url=http://gwydir.demon.co.uk/advisories/ABPW10-PGTW_201707200600.htm By July 21, the subtropical storm started to show tropical characteristics, where it prompted both agencies to start issuing advisories, receiving the designation of 09W and the name Kulap.{{cite web|title=Prognostic Reasoning for Tropical Storm 09W (Kulap) Warning Nr 01|url=http://gwydir.demon.co.uk/advisories/WDPN33-PGTW_201707210900.htm|archive-url=https://archive.today/20240524014748/https://www.webcitation.org/6sBCFaHb2?url=http://gwydir.demon.co.uk/advisories/WDPN33-PGTW_201707210900.htm|url-status=dead|date=July 21, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center}} During the next day, Kulap briefly reached its peak intensity with 1-minute sustained winds of {{convert|95|km/h|mph|abbr=on|round=5}} after imagery depicted some convection over near its compact center.{{cite web|title=Tropical Storm 09W (Kulap) Warning Nr 005|url=http://gwydir.demon.co.uk/advisories/WTPN53-PGTW_201707220900.htm|archive-url=https://archive.today/20240524014708/https://www.webcitation.org/6s9fwzfhi?url=http://gwydir.demon.co.uk/advisories/WTPN53-PGTW_201707220900.htm|url-status=dead|date=July 22, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center}} After moving westward in a marginally favorable environment, the JMA had reported a minimum pressure of 1002 hPa with peak 10-minute winds of {{convert|75|km/h|mph|abbr=on|round=5}} during the early hours of July 24. However several hours later, Kulap had entered in a very unfavorable environment such as cooler waters of {{convert|25|°C|°F|abbr=on}}.{{cite web|title=Prognostic Reasoning for Tropical Storm 09W (Kulap) Warning Nr 15|url=http://gwydir.demon.co.uk/advisories/WDPN33-PGTW_201707242100.htm|archive-url=https://archive.today/20240524014828/https://www.webcitation.org/6sEARIHEh?url=http://gwydir.demon.co.uk/advisories/WDPN33-PGTW_201707242100.htm|url-status=dead|date=July 24, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center}} Due to strong shear and an interaction with Typhoon Noru to its south, Kulap had rapidly weakened; therefore, both agencies issued their final advisory on July 26.{{cite web|title=Tropical Depression 09W (Kulap) Warning Nr 020|url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201707260300.htm|archive-url=https://archive.today/20240524014908/https://www.webcitation.org/6sId3kiRe?url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201707260300.htm|url-status=dead|date=July 26, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center}} The JMA, however, tracked Kulap's remnants until July 28 when it was absorbed by the outflow of Typhoon Noru.

{{Clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 21

|Dissipated=July 29

|Image=Sonca 2017-07-25 0630Z.jpg

|Track=Sonca 2017 track.png

|10-min winds=35

|1-min winds=45

|Pressure=994

}}{{Main|Tropical Storm Sonca (2017)}}

On July 21, both the JMA and the JTWC reported that Tropical Depression 08W had developed approximately {{convert|582|km|mi|abbr=on}} to the south of Hong Kong.{{cite web|title=Tropical Depression 08W (Eight) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN52-PGTW_201707210300.htm|archive-url=https://archive.today/20240523012907/https://www.webcitation.org/6s83efddv?url=http://gwydir.demon.co.uk/advisories/WTPN52-PGTW_201707210300.htm|url-status=dead|archive-date=May 23, 2024|date=July 21, 2017|publisher=Joint Typhoon Warning Center}} After moving westward for a couple of days, the system strengthened into a tropical storm by both agencies while nearing the island province of Hainan, receiving the name Sonca.{{cite web|title=Tropical Storm 08W (Eight) Warning Nr 009|url=http://gwydir.demon.co.uk/advisories/WTPN52-PGTW_201707230300.htm|archive-url=https://archive.today/20240523012948/https://www.webcitation.org/6sBAYURHR?url=http://gwydir.demon.co.uk/advisories/WTPN52-PGTW_201707230300.htm|url-status=dead|archive-date=May 23, 2024|date=July 23, 2017|publisher=Joint Typhoon Warning Center}} By July 24, Sonca reached its maximum intensity with a minimum pressure of 994 hPa. Early on July 25, the JTWC issued its final advisory as the system made landfall over in Quảng Trị Province, Vietnam.{{cite web|title=Tropical Storm 08W (Sonca) Warning Nr 018|url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201707250900.htm|archive-url=https://archive.today/20240523013027/https://www.webcitation.org/6sE9iuwI3?url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201707250900.htm|url-status=dead|archive-date=May 23, 2024|date=July 25, 2017|publisher=Joint Typhoon Warning Center}}{{cite web|url=http://thethaovanhoa.vn/xa-hoi/video-cap-nhat-bao-so-4-do-bo-vao-quang-tri-va-gay-mua-lon-n20170725200442334.htm|title=VIDEO Cập nhật bão số 4: Đổ bộ vào Quảng Trị và gây mưa lớn|date=25 July 2017|access-date=23 August 2017}} The JMA issued its final advisory a few hours later when it had weakened into a tropical depression, although Sonca maintained its intensity over land until it had fully dissipated on July 29.

Flooding in Northern Cambodia drowned two people, blocked many roads and flooded several hundred houses.{{cite news|author1=Khouth Sophak Chakrya|title=Flooded areas vacated|url=http://www.phnompenhpost.com/national/flooded-areas-vacated|access-date=28 July 2017|work=Phnom Penh Post|date=27 July 2017}} Damage across Sakon Nakhon, Thailand exceeded 100 million baht (US$3 million){{cite web|url=https://www.nationthailand.com/detail/breakingnews/30322185|title=Sakon Nakhon flood damage estimated at over Bt100 million – The Nation|date=29 July 2017|access-date=23 August 2017|archive-date=3 September 2017|archive-url=https://web.archive.org/web/20170903004851/http://www.nationmultimedia.com/detail/breakingnews/30322185|url-status=live}} and killed 23 people across Thailand.{{cite web|url=http://www.skynews.com.au/news/world/asiapacific/2017/08/02/thailand-flash-flooding-kills-23.html|title=Thailand flash flooding kills 23|first=Australian News Channel Pty|last=Ltd|access-date=23 August 2017|archive-date=6 September 2017|archive-url=https://web.archive.org/web/20170906132030/http://www.skynews.com.au/news/world/asiapacific/2017/08/02/thailand-flash-flooding-kills-23.html|url-status=dead}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 21

|Dissipated=July 23

|Image=Roke 2017-07-22 0600Z.jpg

|Track=Roke 2017 track.png

|10-min winds=35

|1-min winds=35

|Pressure=1002

}}

The JMA noted the formation of a tropical depression southeast of Taiwan early on July 21. Assigning the numerical designation 10W, the JTWC upgraded the system to a tropical depression at about 18:00 UTC the same day.{{Cite web|url=http://ftp.emc.ncep.noaa.gov/wd20vxt/hwrf-init/decks/bwp102017.dat|title=bwp102017.dat|date=July 23, 2017|access-date=January 22, 2019}} The system traveled in a generally northwesterly direction, and passed through the Luzon Strait, between Taiwan and the Philippines. Around the same time, the PAGASA began issuing advisories on the depression, and contributed the unofficial name Fabian.{{cite web|title=SEVERE WEATHER BULLETIN #1|url=https://kidlat.pagasa.dost.gov.ph/index.php/355-tropical-cyclones/severe-weather-bulletin/fabian-2017-bulletin|date=July 22, 2017|publisher=Philippine Atmospheric, Geophysical and Astronomical Services Administration|access-date=September 8, 2018|archive-date=September 8, 2018|archive-url=https://web.archive.org/web/20180908164659/https://kidlat.pagasa.dost.gov.ph/index.php/355-tropical-cyclones/severe-weather-bulletin/fabian-2017-bulletin|url-status=dead}} Early the next day, after the system had emerged into the South China Sea, both the JMA and the JTWC upgraded the system to a tropical storm, naming it Roke. Roke assumed a more westerly course, and tracked obliquely towards China's Guangdong coast.{{Cite web|url=http://www.jma.go.jp/en/typh/1707l.html|archive-url=https://web.archive.org/web/20170725021201/http://www.jma.go.jp/en/typh/1707l.html|url-status=dead|archive-date=2017-07-25|title=Westerly course |website=www.webcitation.org|access-date=2017-07-23}} The JTWC downgraded the system to a tropical depression just 12 hours later, at 18:00 UTC, but the JMA maintained the cyclone's category as a tropical storm. Roke made landfall just east of the Hong Kong central business district at about 01:30 UTC on July 23, and passed over Shenzhen one to two hours later. Roke weakened to a depression a few hours later, though the JMA declared that it had dissipated on 18:00 UTC of the same day.

Schools, businesses and government offices were closed in Hong Kong as the Hong Kong Observatory (HKO) raised its typhoon warning signal to 8—the third highest of five levels—in preparation for Tropical Storm Roke.{{Cite news|url=http://www.channelnewsasia.com/news/asiapacific/hong-kong-raises-alert-as-typhoon-roke-approaches-9055744|title=Hong Kong raises alert as Typhoon Roke approaches|work=Channel NewsAsia|access-date=2017-07-23|archive-date=2017-07-23|archive-url=https://web.archive.org/web/20170723063228/http://www.channelnewsasia.com/news/asiapacific/hong-kong-raises-alert-as-typhoon-roke-approaches-9055744|url-status=dead}} Ferry services in the city were suspended, and more than 50 flights were delayed.{{Cite news|url=https://www.bloomberg.com/news/articles/2017-07-23/hong-kong-raises-storm-warning-as-cyclone-roke-approaches-city|title=Hong Kong Raises Storm Warning as Cyclone Roke Approaches|date=2017-07-23|work=Bloomberg.com|access-date=2017-07-23}} However, winds in the city were relatively light and no significant damage was reported.

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 25

|Dissipated=July 30

|Image=Nesat 2017-07-29 0530Z.jpg

|Track=Nesat 2017 track.png

|10-min winds=80

|1-min winds=90

|Pressure=960

}}

{{Main|Typhoon Nesat (2017)}}

The JMA upgraded a low-pressure area to a tropical depression east of the Philippines early on July 25. On July 26, it was named Gorio by PAGASA and later intensified into Tropical Storm Nesat. Nesat stalled in the Philippine Sea in the next couple of days and gradually intensified to become a severe tropical storm on July 27. It gradually strengthened until its peak on July 29, as a Category 1 typhoon. It then hit Taiwan, and began to weaken until its dissipation on July 30.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-25T06:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/25/marine-weather-warning-for-gmdss-metarea-xi-2017-07-25t060000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 25, 2017}}

Despite the storm not making landfall in the Philippines, Nesat enhanced the southwest monsoon which brought torrential rainfall over most of the country. As of August 3, the NDRRMC had reported a total of ₱ 247.58 million (US$4.9 million) worth of damages.{{cite web|title=Sitrep No.10 re Southwest Monsoon Enhanced by TY "GORIO"|url=http://www.ndrrmc.gov.ph/attachments/article/3143/Update_SitRep_No10_re_Preparedness_Measures_and_Effects_of_Southwest_Monsoon_enhanced_by_Typhoon_GORIO_as_of_03AUG2017.pdf|date=August 3, 2017|access-date=August 3, 2017|publisher=NDRRMC}}{{Dead link|date=June 2022 |bot=InternetArchiveBot |fix-attempted=yes }} Total damages in Taiwan were counted to be NT$60.19 million (US$2.03 million).{{Cite web|url=https://focustaiwan.tw/business/201707300007|title=Agricultural losses from Typhoon Nesat exceed NT$60 million - Focus Taiwan|website=focustaiwan.tw|date=30 July 2017 }} Total damages in Mainland China were counted to be CNY 1.83 billion (US$271.6 million).

Typhoon Nesat was originally a Category 1, but was upgraded by the Joint Typhoon Warning Center into a minimal Category 2.

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 27

|Dissipated=August 2

|Image=Haitang 2017-07-30 0510Z.jpg

|Track=Haitang 2017 track.png

|10-min winds=45

|1-min winds=40

|Pressure=985

}}

A low-pressure area over the northern portion of the South China Sea was upgraded to a tropical depression by the JMA early on July 27.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-27T06:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/27/marine-weather-warning-for-gmdss-metarea-xi-2017-07-27t060000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 27, 2017}} Despite an exposed LLCC with disorganized banding, the JTWC started initiating advisories, assigning the designation of 12W.{{cite web|title=Prognostic Reasoning for Tropical Depression 12W (Twelve) Warning Nr 01|url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707280900.htm|archive-url=https://archive.today/20240524014951/https://www.webcitation.org/6sIimqxww?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707280900.htm|url-status=dead|archive-date=May 24, 2024|date=July 28, 2017|publisher=Joint Typhoon Warning Center}} During the next day, the system had strengthened into a tropical storm, with the JMA naming it as Haitang, after ASCAT image depicted 40 knot winds over in the southern portion of the storm.{{cite web|title=Prognostic Reasoning for Tropical Storm 12W (Haitang) Warning Nr 05|url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707290900.htm|archive-url=https://archive.today/20240524015111/https://www.webcitation.org/6sKJZs9Tc?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707290900.htm|url-status=dead|archive-date=May 24, 2024|date=July 29, 2017|publisher=Joint Typhoon Warning Center}} Due to the nearby Typhoon Nesat and moderate wind shear, Haitang maintained its intensity for several hours,{{cite web|title=Prognostic Reasoning for Tropical Storm 12W (Haitang) Warning Nr 06|url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707291500.htm|archive-url=https://archive.today/20240524015150/https://www.webcitation.org/6sKJZTvwq?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707291500.htm|url-status=dead|archive-date=May 24, 2024|date=July 29, 2017|publisher=Joint Typhoon Warning Center}} until on July 30 when the system had deepened and reached its peak intensity with 10-minute sustained winds of {{convert|85|km/h|mph|abbr=on|round=5}} with a minimum pressure of 985 hPa. Around the same time, Haitang entered the Philippine area of Responsibility, receiving the name Huaning by PAGASA,{{cite web|title=Severe Weather Bulletin No. 02 re Tropical Storm "HUANING" (I.N. HAITANG)|url=http://www.ndrrmc.gov.ph/attachments/article/3150/Update_on_Severe_Weather_Bulletin_No_02_re_Tropical%20_Storm_HUANING_Issued_on_30JULY_2017_11AM.pdf|date=July 30, 2017|publisher=National Disaster Risk Reduction and Management Council|access-date=September 9, 2018|archive-date=July 12, 2018|archive-url=https://web.archive.org/web/20180712181544/http://www.ndrrmc.gov.ph/attachments/article/3150/Update_on_Severe_Weather_Bulletin_No_02_re_Tropical%20_Storm_HUANING_Issued_on_30JULY_2017_11AM.pdf|url-status=dead}} although the system had left the area during 12:00 UTC of the same day.{{cite web|title=Severe Weather Bulletin No. 06 (FINAL) re Tropical Storm "HUANING" (I.N. HAITANG)|url=http://www.ndrrmc.gov.ph/attachments/article/3150/Update_Severe_Weather_Bulletin_No_06_Final_re_Tropical_Storm_HUANING_INHAITANG_31July2017_8AM.pdf|date=July 31, 2017|publisher=National Disaster Risk Reduction and Management Council}}{{Dead link|date=June 2022|bot=InternetArchiveBot |fix-attempted=yes}} Three hours later, the JTWC downgraded the system to a tropical depression,{{cite web|title=Prognostic Reasoning for Tropical Depression 12W (Haitang) Warning Nr 10|url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707301500.htm|archive-url=https://archive.today/20240524015229/https://www.webcitation.org/6sLoKauh8?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201707301500.htm|url-status=dead|archive-date=May 24, 2024|date=July 30, 2017|publisher=Joint Typhoon Warning Center}} though it was re-upgraded into a tropical storm six hours later.{{cite web|title=Tropical Storm 12W (Haitang) Warning Nr 011|url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201707302100.htm|archive-url=https://archive.today/20240524015352/https://www.webcitation.org/6sNM0BXFQ?url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201707302100.htm|url-status=dead|date=July 30, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center}} By July 31, the JTWC issued their final advisory on Haitang after the system had made landfall over in the Pingtan County in Taiwan.{{cite web|title=Tropical Depression 12W (Haitang) Warning Nr 012|url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201707310300.htm|archive-url=https://archive.today/20240524015310/https://www.webcitation.org/6sNLzoaqj?url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201707310300.htm|url-status=dead|archive-date=May 24, 2024|date=July 31, 2017|publisher=Joint Typhoon Warning Center}} During 06:00 UTC of that day, the JMA issued their final advisory after Haitang weakened into a remnant low.

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=July 31

|Dissipated=August 5

|Image=Nalgae 2017-08-04 0210Z.jpg

|Track=Nalgae 2017 track.png

|10-min winds=45

|1-min winds=60

|Pressure=990

}}

During July 31, the JMA started to monitor a tropical depression located about {{convert|1,106|km|mi|abbr=on}} to the northeast of Wake Island.https://www.webcitation.org/6sNNNO3wi?url=http://gwydir.demon.co.uk/advisories/ABPW10-PGTW_201707311400.htm During the next day, the JTWC started issuing advisories and designated it as 13W.{{cite web|title=Tropical Depression 13W (Thirteen) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201708010300.htm|archive-url=https://archive.today/20240524015513/https://www.webcitation.org/6sP0TC3fc?url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201708010300.htm|url-status=dead|archive-date=May 24, 2024|date=August 1, 2017|publisher=Joint Typhoon Warning Center}} By August 2, both agencies upgraded 13W to Tropical Storm Nalgae after imagery showed flaring convection and the storm was located in a region of low to moderate wind shear and warm SSTs.{{cite web|title=Tropical Depression 13W (Nalgae) Warning Nr 05|url=http://gwydir.demon.co.uk/advisories/WDPN33-PGTW_201708020300.htm|archive-url=https://archive.today/20240524015631/https://www.webcitation.org/6sQNXGECV?url=http://gwydir.demon.co.uk/advisories/WDPN33-PGTW_201708020300.htm|url-status=dead|archive-date=May 24, 2024|date=August 2, 2017|publisher=Joint Typhoon Warning Center}}{{cite web|title=Tropical Storm 13W (Nalgae) Warning Nr 007|url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201708021500.htm|archive-url=https://archive.today/20240524015551/https://www.webcitation.org/6sQNPnbTY?url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201708021500.htm|url-status=dead|archive-date=May 24, 2024|date=August 2, 2017|publisher=Joint Typhoon Warning Center}} Moving in a northward direction, Nalgae slowly intensified for several days. Nalgae reached its peak intensity with 10-minute sustained winds of {{convert|85|km/h|mph|abbr=on|round=5}} and a minimum barometric pressure of 988 hPa during August 5 for a brief time, as it was beginning to transition into an extratropical cyclone. The JTWC downgraded Nalgae to a tropical depression later that day and issued their final advisory after the storm was located in very unfavorable environments.{{cite web|title=Tropical Depression 13W (Nalgae) Warning Nr 019|url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201708051500.htm|archive-url=https://archive.today/20240524015711/https://www.webcitation.org/6sUxxEAed?url=http://gwydir.demon.co.uk/advisories/WTPN33-PGTW_201708051500.htm|url-status=dead|archive-date=May 24, 2024|date=August 5, 2017|publisher=Joint Typhoon Warning Center}} {{citation needed span|text=The JMA followed suit early on August 6 when Nalgae fully transitioned into an extratropical cyclone, after which its remnants moved further north and were last noted during August 9.|date=August 2017}}

{{clear}}

{{Unreferenced section|date=January 2021}}

{{cleanup rewrite|section=yes|date=January 2021}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=August 10

|Dissipated=August 17

|Image=Banyan 2017-08-15 0148Z.jpg

|Track=Banyan 2017 track.png

|10-min winds=80

|1-min winds=100

|Pressure=955

}}

{{Citation needed span|text=On August 10, Tropical Depression 14W formed in the North Pacific Ocean. It strengthened into a tropical storm on August 11 at 5 p.m. EDT (2100 UTC), and was named Banyan. Rapid intensification occurred on Banyan, and it intensified into a typhoon on August 12 at 5 p.m. EDT (2100 UTC). Banyan reached its peak strength of {{convert|150|km/h|mph|abbr=on|round=5}} on August 13, without harming any land, as a Category 3 equivalent system in a high latitude, like Typhoon Songda (2016). Banyan began to start weakening on August 14, and continue to rapidly weaken as it entered the frigid cold waters of the North Pacific. It weakened into an extratropical depression on August 17.|date=January 2021}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=August 19

|Dissipated=August 24

|Image=Hato 2017-08-23 0250Z.jpg

|Track=Hato 2017 track.png

|10-min winds=75

|1-min winds=100

|Pressure=965

}}

{{main|Typhoon Hato}}

A low-pressure area developed into a tropical depression on August 19, while located to the southeast of Taiwan, and was named by PAGASA as Tropical Depression Isang. Over the next few days, Isang became a tropical storm, and was named Hato. Hato then became a severe tropical storm as it passed through the Batanes region of the Philippines, and the PAGASA later issued its final warning as Hato (named Isang) moved out of the Philippine Area of Responsibility.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-08-19T12:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/08/19/marine-weather-warning-for-gmdss-metarea-xi-2017-08-19t120000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=August 19, 2017}}

It gradually intensified and reached typhoon status on the afternoon of August 22 after entering the northeastern part of the South China Sea.

On August 23, 07:00 HKT, Hato was approximately 100 km southeast of Hong Kong, bringing rain to the mainland as well as Hainan to the west. At 11:00 HKT the eye was approximately 60 km southwest of Hong Kong with the typhoon heading onto the mainland in a west-northwesterly direction.{{cite web|url=http://www.weather.gov.hk/wxinfo/intersat/satellite/sate.htm|title=Weather Satellite Imagery|website=www.weather.gov.hk}}

Hong Kong Observatory issued Hurricane Signal No. 10 at 09:10 HKT, August 23, the first time since 2012.{{cite web|url=http://www.weather.gov.hk/wxinfo/currwx/tc1.htm|title=TROPICAL CYCLONE WARNING|website=www.weather.gov.hk|access-date=23 August 2017|archive-url=https://web.archive.org/web/20170823071746/http://www.weather.gov.hk/wxinfo/currwx/tc1.htm|archive-date=23 August 2017|url-status=dead}} A total of 11 people were killed while total damage in Mainland China were counted to CN¥28.91 billion (US$4.34 billion). No people were killed in Hong Kong, while estimated damage in Hong Kong amounted to HK$4 billion (US$511 million).{{cite news|author=Nikki Sun|title=Typhoon Hato could cause HK$8 billion in losses after No 10 signal storm brought Hong Kong to standstill|url=https://www.scmp.com/news/hong-kong/economy/article/2107994/typhoon-hato-could-cause-hk8-billion-losses-after-no-10|date=23 August 2017|publisher=South China Morning Post}} In Macau, losses of 12.50 billion patacas (US$1.55 billion) were incurred when high tides exacerbated flooding in most of the low-lying areas, inundating ground floor shops and businesses. There were 12 deaths as a result of the typhoon, including a number of people who drowned in flooded underground car-parks.{{Cite news|url=http://www.macaubusiness.com/macau-typhoon-hato-impact-estimated-around-mop12-55-billion/|title=Typhoon Hato losses around MOP12.55 billion|publisher=Macau News Agency|date=February 22, 2018|access-date=September 7, 2018}} Despite making landfall in South China, Hato triggered floods in northern Vietnam and killed 1 person. The total damage by heavy rainfall in Bắc Kạn Province was 31 billion₫ (US$1.36 million).{{cite web|url=http://nongnghiep.vn/bac-kan-thiet-hai-nang-do-mua-bao-so-6-post201445.html|title=Bắc Kạn thiệt hại nặng do mưa bão số 6|first=BAO NONG NGHIEP VIET|last=NAM|date=29 August 2017|website=Nongnghiep.vn|access-date=31 August 2017}} In total, there were 24 deaths attributed to the typhoon.

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=August 24

|Dissipated=August 28

|Image=Pakhar 2017-08-27 0625Z (alternate).png

|Track=Pakhar 2017 track.png

|10-min winds=55

|1-min winds=60

|Pressure=985

}}

{{main|Tropical Storm Pakhar (2017)}}

On August 24, a tropical depression formed in the Philippine Sea and was named Jolina by PAGASA. On the next day, Jolina intensified into a tropical storm, and was named Pakhar. On August 26, Pakhar passed over the Philippines heading westward toward mainland China where it gathered strength into a severe tropical storm before making landfall in Tianshan on August 27, where after the previous monster storm Typhoon Hato hit days ago, they raised Signal #8 for Pakhar's arrival and landfall. Pakhar rapidly dissipated the next day.

A total of 83,000 people were affected by the storm, along with 14,000 people in which were evacuated over in the four main affected regions of Guandong, Guangxi, Guizhou and Yunnan.{{cite web|title=台风"帕卡"致粤桂黔滇4省份12人死亡|url=http://www.mca.gov.cn/article/yw/jzjz/zqkb/zqhz/201708/20170800005697.shtml|date=August 31, 2017|language=Chinese|publisher=中华人民共和国民政部|access-date=April 9, 2023|archive-date=December 4, 2017|archive-url=https://web.archive.org/web/20171204171128/http://www.mca.gov.cn/article/yw/jzjz/zqkb/zqhz/201708/20170800005697.shtml|url-status=dead}} One person died from a traffic incident while 62 were injured, while an additional two were confirmed hours later.{{cite web|title=Typhoon Pakhar kills 3 in South China|url=http://news.xinhuanet.com/english/2017-08/29/c_136566167.htm|archive-url=https://web.archive.org/web/20170829190146/http://news.xinhuanet.com/english/2017-08/29/c_136566167.htm|url-status=dead|archive-date=29 August 2017|date=August 29, 2017|publisher=Xinhua}}

Total economic losses in South China amounted to CN¥760 million (US$114.4 million) while a total of twelve people were killed in relation to the storm.{{Cite web|url=https://www.hko.gov.hk/en/informtc/pakhar17/report.htm|title=Severe Tropical Storm Pakhar (1714)|website=www.hko.gov.hk}} Moreover, damages in the Philippines were recorded at ₱41.27 million (US$808 thousand) and 2 billion₫ (US$88,000) in Vietnam.{{cite web|title=Storm Pakhar displaces 929 families in Philippines|url=http://aa.com.tr/en/asia-pacific/storm-pakhar-displaces-929-families-in-philippines/894854|date=August 27, 2017|publisher=Anadolu Agency}}{{cite web |url=http://backantv.vn/tin-tuc-n15394/hoan-luu-bao-so-7-gay-thiet-hai-khoang-2-ty-dong.html |title=Hoàn lưu bão số 7 gây thiệt hại khoảng 2 tỷ đồng |website=backantv.vn |access-date=2017-08-30 |archive-date=2018-07-22 |archive-url=https://web.archive.org/web/20180722155629/http://backantv.vn/tin-tuc-n15394/hoan-luu-bao-so-7-gay-thiet-hai-khoang-2-ty-dong.html |url-status=dead}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=August 26

|Dissipated=September 3

|Image=Sanvu 2017-09-01 0105Z.jpg

|Track=Sanvu 2017 track.png

|10-min winds=80

|1-min winds=90

|Pressure=955

}}

On August 27, the JMA began to monitor a tropical depression that had developed about {{convert|441|km|mi|abbr=on}} north-northeast of Saipan, although the system's nature was more of a monsoon depression.{{cite web |title=Index of disturbance|

website=ftp.emc.ncep.noaa.gov| url=http://ftp.emc.ncep.noaa.gov/wd20vxt/hwrf-init/decks/bwp172017.dat | access-date=7 April 2023}} The JTWC followed suit on the following day, designating the system as 17W.{{cite web|title=Tropical Depression 17W (Sanvu) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201708281500.htm|date=August 28, 2017|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524015751/https://www.webcitation.org/6t3y1GAq1?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201708281500.htm|archive-date=May 24, 2024|access-date=March 31, 2018}} Around the same time, the system had intensified into Tropical Storm Sanvu. By August 29, Sanvu increased in size, and therefore it prompted the JMA to upgrade it to a severe tropical storm. After moving in a westward direction, Sanvu stalled and entered a region of favorable conditions. As a ragged eye developed, both agencies upgraded Sanvu to a typhoon during August 31.{{cite web|title=Typhoon 17W (Sanvu) Warning Nr 012|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201708310900.htm|date=August 31, 2017|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524015951/https://www.webcitation.org/6t8Vl1o6g?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201708310900.htm|archive-date=May 24, 2024|access-date=March 31, 2018}} Sanvu reached its peak intensity on September 1 as a Category 2 typhoon.{{cite web|title=Typhoon 17W (Sanvu) Warning Nr 015|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709010300.htm|date=September 1, 2017|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020033/https://www.webcitation.org/6t9zWR9Vc?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709010300.htm|archive-date=May 24, 2024|access-date=March 31, 2018}} Thereafter, the system steadily weakened as it started to move northwards with JTWC immediately downgrading the system to a tropical storm and issuing their final advisory late on September 2. The JMA still classified Sanvu as a typhoon until they issued their final advisory as the system had transitioned into an extratropical cyclone on September 3.

Sanvu did not cause any significant damage in the Northern Mariana Islands, though a 33-year-old woman drowned at Obyan beach in Saipan due to large waves on August 29.{{cite web|url=http://www.saipantribune.com/index.php/drowning-victim-swimming-brother-got-swept-outside-reef/|title='Drowning victim swimming with brother when they got swept outside reef'|date=30 August 2017}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=August 30

|Dissipated=September 4

|Image=Mawar 2017-09-02 Suomi NPP.jpg

|Track=Mawar 2017 track.png

|10-min winds=50

|1-min winds=45

|Pressure=990

}}

On August 30, the JMA started to track a tropical depression to the north-northeast of Luzon, Philippines. Given the international designation of 18W by the JTWC,{{cite web|title=Tropical Depression 18W (Mawar) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201708312100.htm|date=August 31, 2017|archive-date=May 24, 2024|url-status=dead|archive-url=https://archive.today/20240524020112/https://www.webcitation.org/6tA09AIdX?url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201708312100.htm|access-date=March 31, 2018}} the JMA upgraded the system immediately to Tropical Storm Mawar. Slowly organizing, convection had rapidly developed and Mawar strengthened into a severe tropical storm early on September 2. On September 3, Mawar had weakened to a tropical storm after environments started to become unfavorable due to high wind shear.{{cite web|title=Prognostic Reasoning for Tropical Storm 18W (Mawar) Warning Nr 10|url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201709030300.htm|date=September 1, 2017|archive-date=May 24, 2024|url-status=dead|archive-url=https://archive.today/20240524020234/https://www.webcitation.org/6tD2JMtLA?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201709030300.htm|access-date=March 31, 2018}} Later that day, Mawar weakened to a tropical depression and the JTWC issued their final advisory while making landfall over in Southeastern China between the cities of Shanwei and Shantou.{{cite web|title=Tropical Depression 18W (Mawar) Warning Nr 013|url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201709032100.htm|date=September 3, 2017|archive-date=May 24, 2024|url-status=dead|archive-url=https://archive.today/20240524020152/https://www.webcitation.org/6tD2ENI3H?url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201709032100.htm|access-date=March 31, 2018}}{{cite web|title=Mawar brings flooding to southeast China|url=http://www.aljazeera.com/news/2017/09/mawar-brings-flooding-southeast-china-170904092819010.html|date=September 4, 2017|publisher=AlJazeera}} The JMA followed suit early on September 4 when Mawar had fully dissipated.

The China's National Meteorological Center (NMC) issued a blue alert for the southern parts of Guangdong on September 1.{{Citation needed|date=October 2020}} During 2:00 a.m. local time on September 2, the Hong Kong Observatory issued a Tropical Cyclone Warning Signal No. 1 over in Hong Kong.{{cite web|title=Typhoon Mawar – T1 warning signal issued in Hong Kong|url=https://asiatimes.com/article/typhoon-mawar-hong-kong/|date=September 2, 2017|publisher=Asia Times}} Chinese authorities activated a natural disaster alert and response to help local civil affairs departments in areas such as the provinces of Fujian and Guandong to prepare for relief work.{{cite web|title=China activates emergency response mechanism for Typhoon Mawar|url=http://news.xinhuanet.com/english/2017-09/02/c_136577000.htm|archive-url=https://web.archive.org/web/20170902102848/http://news.xinhuanet.com/english/2017-09/02/c_136577000.htm|url-status=dead|archive-date=September 2, 2017|date=September 2, 2017|agency=Xinhua}} By September 3, the NMC had raised their warning signal to a yellow alert.{{cite web|title=China renews yellow alert for Typhoon Mawar|url=http://news.xinhuanet.com/english/2017-09/03/c_136578766.htm|archive-url=https://web.archive.org/web/20170903055150/http://news.xinhuanet.com/english/2017-09/03/c_136578766.htm|url-status=dead|archive-date=September 3, 2017|date=September 3, 2017|agency=Xinhua}} Flooding from Mawar was a major concern with reports of rainfall of up to {{convert|80|mm|in}} in some places which were impacted by Hato and Pakhar. Total economic losses in South China were counted to be CNY 10 million (US$1.53 million).

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=September 3

|Dissipated=September 7

|Image=Guchol 2017-09-06 0500Z.jpg

|Track=Guchol 2017 track.png

|10-min winds=35

|1-min winds=30

|Pressure=1000

}}

On September 3, the JMA started to track a tropical depression that had developed to the east of Luzon, Philippines. During the next day, the PAGASA initiated advisories and gave the local name Kiko,{{cite web|title=Severe Weather Bulletin No.01 re Tropical Depression KIKO|url=http://ndrrmc.gov.ph/attachments/article/3189/Severe_Weather_Bulletin_No_01_re_Tropical_Depression_KIKO_issued_04Sept2017_1700H.pdf|date=September 4, 2017|publisher=NDRRMC}} while the JTWC followed suit by giving it the designation 19W.{{cite web|title=Tropical Depression 19W (Nineteen) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709042100.htm|date=September 4, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020352/https://www.webcitation.org/6tG2Rymbw?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709042100.htm}} However, due to increased wind shear along with an exposed circulation, the JTWC issued its final advisory on 03:00 UTC September 5.{{cite web|title=Tropical Depression 19W (Nineteen) Warning Nr 002|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709050300.htm|date=September 5, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020314/https://www.webcitation.org/6tG2Rbnyh?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709050300.htm|access-date=March 31, 2018}} Several hours later, deep convection was depicted and despite moderate to high shear, the JTWC re-initiated advisories,{{cite web|title=Prognostic Reasoning for Tropical Depression 19W (Nineteen) Warning Nr 03|url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201709052100.htm|date=September 5, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020513/https://www.webcitation.org/6tHfBfF2I?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201709052100.htm}} while the JMA had upgraded the system to a tropical storm, naming it as Guchol early on the next day. On 21:00 UTC of that day, the JTWC stopped issuing warnings on the system after convection significantly weakened.{{cite web|title=Tropical Depression 19W (Guchol) Warning Nr 007|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709062100.htm|date=September 6, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020436/https://www.webcitation.org/6tHf3kXSe?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709062100.htm}} JMA later followed suit early on the next day by declaring it a remnant low as it neared Putian, Fujian on Strait of Taiwan. {{citation needed span|The remnant low would then make landfall over Pingtan County of Fujian in China late on the following day before it transitioned into an extratropical storm near Zhejiang as it merged with the cold front on September 8.|date=September 2017}}

{{clear}}

{{Main|Typhoon Talim (2017)}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=September 8

|Dissipated=September 17

|Image=Talim 2017-09-14 0215Z.jpg

|Track=Talim 2017 track.png

|10-min winds=95

|1-min winds=120

|Pressure=935

}}

A tropical depression formed east of Guam on September 7.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-09-07T12:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/09/07/marine-weather-warning-for-gmdss-metarea-xi-2017-09-07t120000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=September 7, 2017}} By the next day, the JTWC began issuing advisories on Tropical Depression 20W.{{cite web|title=Tropical Depression 20W (Twenty) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709082100.htm|date=September 8, 2017|archive-date=May 23, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240523141734/https://www.webcitation.org/6tKnitC4i?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709082100.htm|access-date=March 31, 2018}} On September 9, 20W organized into a tropical storm, with the JMA naming the system as Talim.{{cite web|title=Tropical Storm 20W (Talim) Warning Nr 004|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709091500.htm|date=September 9, 2017|archive-date=May 23, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240523141816/https://www.webcitation.org/6tMAQZhax?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709091500.htm|access-date=March 31, 2018}} With gradual intensification, the JMA upgraded Talim to a severe tropical storm. Talim further strengthened to a typhoon on September 11 where it simultaneously entered the PAR, with PAGASA naming it as Lannie.{{cite web|title=Typhoon 'Lannie' enters PAR|url=http://newsinfo.inquirer.net/929649/lannie-talim-tropical-storm-par-pagasa-weather-forecast|date=September 11, 2017|publisher=Inquirer}} The JTWC, however, delayed their upgrade until September 12.{{cite web|title=Typhoon 20W (Talim) Warning Nr 014|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709120300.htm|date=September 12, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020553/https://www.webcitation.org/6tQmWeOfw?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709120300.htm|access-date=March 31, 2018}} Due to an ill-defined eye, Talim maintained its intensity until its eye became much clearer as rapid deepening ensued, as Talim became a Category 4 on September 14, and reached its peak intensity with 1-minute sustained winds of {{convert|220|km/h|mph|abbr=on|round=5}}.{{cite web|title=Typhoon 20W (Talim) Warning Nr 023|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709140900.htm|date=September 14, 2017|archive-date=May 23, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240523141854/https://www.webcitation.org/6tTiMhYae?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201709140900.htm|access-date=March 31, 2018}} Talim began to curve eastward as it rapidly weakened to a tropical storm thereafter, making landfall in Kyushu on September 17, with a path of heavy rainfall up to the region east of Tokyo.{{cite web|author=Lisa Twaronite|author2=Simon Cameron-Moore|title=Weaker Typhoon Talim disrupts transport in southwestern Japan|url=https://www.reuters.com/article/us-asia-storm-japan/weaker-typhoon-talim-disrupts-transport-in-southwestern-japan-idUSKCN1BS02T|website=reuters.com|date=September 17, 2017|access-date=September 17, 2017}}

In Japan, 5 people were killed, and the agricultural loss were about JP¥32 billion (US$287.9 million).{{cite web|title=平成29年台風第18号による被害状況|url=http://www.maff.go.jp/j/saigai/typhoon/20170919.html|publisher=Ministry of Agriculture, Forestry and Fisheries|date=October 23, 2017|access-date=October 23, 2017|archive-date=October 30, 2018|archive-url=https://web.archive.org/web/20181030170500/http://www.maff.go.jp/j/saigai/typhoon/20170919.html|url-status=dead}} Total damages across the country were counted to be US$750 million.{{cite web|title=Companion Volume to Weather, Climate & Catastrophe Insight|url=http://thoughtleadership.aonbenfield.com/Documents/20180124-ab-if-annual-companion-volume.pdf|publisher=Aon Benfield|access-date=30 January 2018|archive-date=2 March 2018|archive-url=https://web.archive.org/web/20180302001946/http://thoughtleadership.aonbenfield.com/Documents/20180124-ab-if-annual-companion-volume.pdf|url-status=dead}}

{{Clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=September 10

|Dissipated=September 16

|Image=Doksuri 2017-09-14 0548Z.jpg

|Track=Doksuri 2017 track.png

|10-min winds=80

|1-min winds=95

|Pressure=955

}}

{{main|Typhoon Doksuri (2017)}}

On September 9, the Joint Typhoon Warning Center (JTWC) began monitoring on a tropical disturbance that had developed about {{convert|836|km|mi|abbr=on}} west-northwest of the province of Eastern Samar.{{cite web | website=ftp.emc.ncep.noaa.gov| url=https://ftp.emc.ncep.noaa.gov/wd20vxt/hwrf-init/decks/bwp212017.dat|title=Disturbance index| access-date=7 April 2023}} During the next day, the Japan Meteorological Agency (JMA) classified the system as a weak tropical depression. As the tropical cyclone is inside PAR, it was assigned the name "Maring".https://www.webcitation.org/6tPDwn36b?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201709101800.htm On 21:00 UTC of September 11, the JTWC followed suit, giving the designation of 21W.{{cite web|title=Tropical Depression 21W (Twenty-one) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201709112100.htm|archive-url=https://archive.today/20240523043228/https://www.webcitation.org/6tQmwjwlO?url=http://gwydir.demon.co.uk/advisories/WTPN32-PGTW_201709112100.htm|url-status=dead|date=September 11, 2017|archive-date=May 23, 2024|publisher=Joint Typhoon Warning Center}} The JMA upgraded 21W to a tropical storm during September 12, giving the name Doksuri, the 19th named storm of the annual typhoon season.

Laguna was one of the provinces that got hit hard by the storm as the city was placed under a state of calamity after it had "too much rainfall" that produced further flash floods and landslides.{{cite web|title=Laguna under state of calamity after 'Maring' leaves P18-M in damage|url=http://newsinfo.inquirer.net/930359/maring-laguna-state-of-calamity-agriculture-infrastructure-damage#ixzz4t1rlyraZ|date=September 13, 2017|publisher=Inquirer}}

As of September 19, the NDRRMC confirmed a total of 8 dead due to landslides and flooding while total damages were up to ₱267 million (US$5.24 million).{{cite web|title=SitRep No.11 re Preparedness Measures and Effects of TY LANNIE and TS MARING|url=http://ndrrmc.gov.ph/attachments/article/3199/SitRep_No_11_re_Preparedness_Measures_and_Effects_of_Typhoon_LANNIE-I-N-TALIM_and_Tropical_Storm_Maring_issued_15Oct2017_0800H.pdf|date=October 15, 2017|publisher=NDRRMC}}

On September 15, Typhoon Doksuri made landfall in Quảng Bình Province, Vietnam as a Category 3 typhoon. On the mainland of Vietnam, at the meteorological stations in Hoành Sơn and Kỳ Anh (Hà Tĩnh), sustained wind speeds of {{convert|32|m/s|km/h mph|0|abbr=on|order=out|round=}} were recorded, and wind gusts at the Hoành Sơn station were recorded in the range of {{convert|42-43|m/s|km/h mph|0|abbr=on|order=out|round=}}.{{Cite web |date=March 3, 2018 |title=ĐẶC ĐIỂM HOẠT ĐỘNG CỦA XOÁY THUẬN NHIỆT ĐỚI Ở TÂY BẮC THÁI BÌNH DƯƠNG, BIỂN ĐÔNG VÀ ĐỔ BỘ VÀO VIỆT NAM NĂM 2017 |trans-title=CHARACTERISTICS OF TROPICAL CYCLONE ACTIVITY IN THE NORTHWEST PACIFIC, THE EAST SEA (SOUTH CHINA SEA), AND LANDFALLS IN VIETNAM IN 2017 |url=https://vjol.info.vn/index.php/TCKHBDKH/article/view/58177/48543 |url-status=live |access-date=April 20, 2025 |website=Tạp chí Khoa học Việt Nam Trực tuyến |publisher=Viện Khoa học Khí tượng Thủy Văn & Biến đổi khí hậu |language=vi}} Doksuri killed 15 people so far in Vietnam while estimated damages were about ₫16.36 trillion (US$720 million).{{cite web|title=Miền Trung thiệt hại hơn 11 nghìn tỷ đồng do bão Doksuri|url=https://vnexpress.net/tin-tuc/thoi-su/mien-trung-thiet-hai-hon-11-nghin-ty-dong-do-bao-doksuri-3643562.html|date=September 19, 2017|publisher=VN Express}}{{cite web|url=http://thanhnien.vn/thoi-su/bao-so-10-lam-11-nguoi-chet-1-nguoi-mat-tich-va-28-nguoi-bi-thuong-876383.html|title=Bão số 10 làm 11 người chết, 1 người mất tích và 28 người bị thương|date=16 September 2017}} Despite making landfall in Indochina, Doksuri affected Hainan and total economic losses were estimated to be CNY 100 million (US$15.3 million).

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=September 23

|Dissipated=September 25

|Image=Nando 2017-09-25 0338Z.jpg

|Track=Nando 2017 track.png

|10-min winds=30

|1-min winds=30

|Pressure=1000

}}

{{citation needed span|A tropical depression formed to the west of Luzon on September 23, and was named "Nando" by PAGASA. The tropical depression quickly moved west-northwest and made landfall in Quảng Ninh, Vietnam, on September 25, before dissipating later on the same day.|date=April 2018}}

The China Observatory issued a "yellow" alert over in the eastern and southern regions due to rainstorms. Some areas have warned a possible precipitation of about {{convert|140|mm|in}}.{{cite web|title=China renews yellow alert for rainstorms|url=http://news.xinhuanet.com/english/2017-09/24/c_136634102.htm|archive-url=https://web.archive.org/web/20170924115353/http://news.xinhuanet.com/english/2017-09/24/c_136634102.htm|url-status=dead|archive-date=September 24, 2017|date=September 24, 2017|agency=Xinhua}} Typhoon Signal No. 1 was raised over in Hong Kong during September 24, with expected gusts of up to {{convert|70|km/h|mph|abbr=on|round=5}} including rough swells.{{cite web|title=Typhoon signal No 1 issued for Hong Kong as squalls expected|url=http://www.scmp.com/news/hong-kong/health-environment/article/2112568/typhoon-standby-signal-issued-hong-kong|date=September 24, 2017|publisher=South China Morning Post}} A voltage dip also occurred, causing 17 people to be trapped in lifts.{{cite web|title='Sudden dip in voltage' traps 17 people in Hong Kong lifts for almost an hour|url=http://www.scmp.com/news/hong-kong/health-environment/article/2112598/sudden-dip-voltage-traps-17-people-hong-kong-lifts|date=September 24, 2017|publisher=South China Morning Post}} As the depression approached Vietnam on September 25, the Vietnam National Center for Hydro-Meteorological Forecasting of Vietnam forecast rainfall of about {{convert|150|mm|in}} in Hanoi and surrounding provinces, with rough waves up to {{convert|3|m|ft|abbr=on}} in Hạ Long Bay.{{cite web|title=Tropical pressure system on course to hit Vietnam's Hạ Long Bay|url=https://e.vnexpress.net/news/travel-life/tropical-pressure-system-on-course-to-hit-vietnam-s-ha-long-bay-3646240.html|date=September 25, 2017|publisher=VN Express}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 7

|Dissipated=October 10

|Image=23W 2017-10-09 0620Z.jpg

|Track=23W 2017 track.png

|10-min winds=30

|1-min winds=30

|Pressure=1000

}}

{{main|October 2017 Vietnam tropical depression}}

Early on October 7, a tropical depression formed to the west of the Philippines.{{Cite web|url=http://www.wis-jma.go.jp/cms/warning/2017/10/07/marine-weather-warning-for-gmdss-metarea-xi-2017-10-07t000000z/|title=Marine Weather Warning for GMDSS Metarea XI 2017-10-07T00:00:00Z|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=October 7, 2017}}

{{citation needed span|Early on October 10, the tropical depression made landfall in Hà Tĩnh Province, Vietnam, and dissipated shortly afterward. Consequently, both the JMA and the JTWC issued their final advisories for the storm.|date=April 2018}}

Tropical Depression 23W caused severe flooding over provinces of Northern and Central Vietnam. Roughly more than 700 houses have been destroyed, while rescue efforts have saved 28 people from the danger zone. In total, 100 people were killed, and damages were about 13 trillion₫ (US$572 million).{{cite web|title=Death toll from worst Vietnam floods in years rises to 54|url=http://www.channelnewsasia.com/news/asiapacific/death-toll-from-worst-vietnam-floods-in-years-rises-to-54-9307218|date=October 13, 2017|publisher=Channel News Asia|access-date=October 13, 2017|archive-date=December 18, 2017|archive-url=https://web.archive.org/web/20171218113826/http://www.channelnewsasia.com/news/asiapacific/death-toll-from-worst-vietnam-floods-in-years-rises-to-54-9307218|url-status=dead}}{{cite web|url=https://abcnews.go.com/International/wireStory/floods-landslides-kill-37-leave-40-missing-vietnam-50429164|title=Floods and landslides kill 43, leave 34 missing in Vietnam|date=October 12, 2017|work=ABC News|access-date=October 12, 2017|archive-url=https://web.archive.org/web/20171022044832/https://abcnews.go.com/International/wireStory/floods-landslides-kill-37-leave-40-missing-vietnam-50429164|archive-date=October 22, 2017|url-status=dead}} During October 10, the Red River was forecast to have waters exceed to the levels of {{convert|3|–|50|cm|in|abbr=on}}.{{cite web|url=https://www.tienphong.vn/xa-hoi/lu-du-tan-pha-mien-tay-yen-bai-thiet-hai-hon-100-ty-dong-1196933.tpo|title=Lũ dữ tàn phá miền tây Yên Bái, thiệt hại hơn 100 tỷ đồng|date=October 10, 2017|publisher=Tiênphong|language=vi}}{{cite web|url=https://vnexpress.net/tin-tuc/thoi-su/29-nguoi-thiet-mang-trong-mua-lu-don-dap-3654105.htmlhttps://vnexpress.net/tin-tuc/thoi-su/29-nguoi-thiet-mang-trong-mua-lu-don-dap-3654105.html|title=29 người thiệt mạng trong mưa lũ dồn dập|date=October 10, 2017|publisher=VN Express|language=vi}} In Hoàng Long river (Ninh Bình Province) flooding was the most severe since 1985.{{cite web|url=http://dantri.com.vn/xa-hoi/thu-tuong-khen-ninh-binh-trang-dem-canh-tung-cm-lu-sang-suot-chua-xa-tran-20171012112414774.htm|title=Thủ tướng khen Ninh Bình trắng đêm canh từng cm lũ, sáng suốt chưa xả tràn|last=VCCorp.vn|date=12 October 2017 }}

{{Clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 11

|Dissipated=October 16

|Image=Khanun 2017-10-15 0310Z.jpg

|Track=Khanun 2017 track.png

|10-min winds=75

|1-min winds=90

|Pressure=955

}}

By October 11, the Japan Meteorological Agency upgraded a disturbance that was organizing in the Philippine Sea. By 06:00 UTC on the following day, the Joint Typhoon Warning Center also upgraded the disturbance to a depression, designating it as "24W".{{cite web|title=bwp242017.dat|url=http://ftp.emc.ncep.noaa.gov/wd20vxt/hwrf-init/decks/bwp242017.dat|publisher=National Oceanic and Atmospheric Administration|date=October 16, 2017|access-date=January 25, 2019}} By 12:00 UTC the same day, the JMA officially upgraded the depression, naming it as "Khanun". Two hours later, the PAGASA upgraded the depression, naming it "Odette".{{cite report|title=Severe Weather Bulletin No. 01 re Tropical Depression "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3215/Severe_Weather_Bulletin_No_01_re_Tropical_Depression_ODETTE_issued_12Oct2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 11, 2017|access-date=January 25, 2019}} Over the rest of the day, Khanun intensified under favorable conditions, while approaching the northern parts of Luzon.{{cite report|title=Severe Weather Bulletin No. 02 re Tropical Depression "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3215/Severe_Weather_Bulletin_No_02_re_Tropical_Depression_ODETTE_issued_12Oct2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 12, 2017|access-date=January 25, 2019}} At 14:00 UTC (10:00 pm PHST), PAGASA upgraded "Odette" to a tropical storm while nearing landfall over Santa Ana, Cagayan.{{cite report|title=Severe Weather Bulletin No. 08 re Tropical Storm "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3215/Update_Severe_Weather_Bullletin_No08_re_Tropical_Storm_ODETTE_issued_12OCTOBER2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 12, 2017|access-date=January 25, 2019}} The storm will make landfall on the place,{{cite report|title=Severe Weather Bulletin No. 09 re Tropical Storm "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3215/Update_Severe_Weather_Bulletin_No09_re_Tropical_Storm_Odette_issued_13October2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 13, 2017|access-date=January 25, 2019}} and emerged into the South China Sea, when it started re-intensifying under favorable conditions.{{cite report|title=Severe Weather Bulletin No. 14 re Tropical Storm "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3215/Update_Severe_Weather_Bulletin_No14_TS_ODETTE_issued_13October2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 13, 2017|access-date=January 25, 2019}} At 06:00 UTC, JMA upgraded Khanun into a severe tropical storm; the PAGASA would later follow suit, as "Odette" is also upgraded into a severe tropical storm.{{cite report|title=Severe Weather Bulletin No. 17 re Severe Tropical Storm "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3215/Update_on_Severe_Weather_Bulletin_No_17_TS_ODETTE_Issued_on_14_OCTOBER_2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 14, 2017|access-date=January 25, 2019}} At 14:00 UTC (10:00 pm PHST), PAGASA reported that Severe Tropical Storm "Odette" has exited their Philippine Area of Responsibility.{{cite report|title=Severe Weather Bulletin No. 18 (Final) re Tropical Storm "ODETTE" (I.N. KHANUN)|url=http://ndrrmc.gov.ph/attachments/article/3215/Update_on_Severe_Weather_Bulletin_No_17_TS_ODETTE_Issued_on_14_OCTOBER_2017.pdf|publisher=National Disaster Risk Reduction and Management Council|date=October 14, 2017|access-date=January 25, 2019}}

Intensifying in the South China Sea, Khanun was upgraded to a typhoon by the JMA on October 14 at 12:00 UTC. The JTWC would follow suit six hours later, upgrading the storm into a category 1 typhoon. By the next day, JMA reported that Khanun reached its peak intensity with 135 km/h (75 knots) and a pressure of 955 hPa. The JTWC would follow suit three hours later with the winds of 165 km/h (90 knots) and a pressure of 965 hPa. After its peak, Khanun immediately weakened under the influence of the northeast monsoon; at the time the storm made landfall over the Leizhou Peninsula, the system was barely at tropical storm intensity.{{cite web|title=Severe Typhoon Khanun (1720) 12 to 16 October 2017|url=http://www.weather.gov.hk/informtc/khanun17/report.htm|publisher=Hong Kong Observatory|access-date=January 25, 2019|archive-url=https://web.archive.org/web/20191015030545/http://www.weather.gov.hk/informtc/khanun17/report.htm|archive-date=15 October 2019|url-status=dead}} Both agencies would issue their last advisories on Khanun, as the storm weakened further while approaching the northern Vietnam.

According to the NDRRMC, Khanun killed one person, with total damages of ₱4.45 million (US$86,600).{{cite report|title=SitRep No.08 re Preparedness Measures and Effects of Tropical Storm "ODETTE"|url=http://ndrrmc.gov.ph/attachments/article/3217/Update_on_SitRep_No_08_re_Preparedness_Measures_and_Effects_of_Severe_Tropical_Storm_ODETTE_Issued_on_20_OCTOBER_2017_8AM.pdf|date=October 20, 2017|publisher=National Disaster Risk Reduction and Management Council}}{{cite news|title=Odette leaves 1 dead|url=https://www.philstar.com/headlines/2017/10/14/1748871/odette-leaves-1-dead|author=Michael Punongbayan|publisher=The Philippine Star|date=October 14, 2017|access-date=January 25, 2019}} Authorities in Hong Kong and Macau raised the number 8 tropical cyclone warning on October 15 as gale-force winds affected the region. In total, damages from Khanun in South China were counted to be CNY2.46 billion (US$373 million).

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 15

|Dissipated=October 23

|Image=Lan_2017-10-21_0412Z.jpg

|Track=Lan 2017 track.png

|10-min winds=100

|1-min winds=135

|Pressure=915

}}

{{Main|Typhoon Lan (2017)}}

The United States Naval Research Laboratory (NRL) initially mentioned a tropical disturbance over Chuuk on October 11.{{Cite web|url=https://www.nrlmry.navy.mil/tcdat/tc17/WPAC/25W.LAN/ir/geo/1km/|archive-url=https://web.archive.org/web/20171021164020/https://www.nrlmry.navy.mil/tcdat/tc17/WPAC/25W.LAN/ir/geo/1km/|url-status=dead|archive-date=October 21, 2017|title=Index of /tcdat/tc17/WPAC/25W.LAN/ir/geo/1km|publisher=United States Naval Research Laboratory|access-date=October 21, 2017}} After the slow consolidation, the Joint Typhoon Warning Center (JTWC) issued a Tropical Cyclone Formation Alert to the elongated system early on October 14,{{Cite web|url=http://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt|title=Tropical Cyclone Formation Alert|date=October 14, 2017|publisher=Joint Typhoon Warning Center|archive-url=https://archive.today/20240523081320/https://www.webcitation.org/6uDQr0ROa?url=http://gwydir.demon.co.uk/advisories/WTPN21-PGTW_201710140230.htm|archive-date=May 23, 2024|access-date=October 21, 2017|url-status=dead}} shortly after the Japan Meteorological Agency (JMA) started to monitor it as a low-pressure area.{{Cite web|url=http://www.wis-jma.go.jp/cms/warning/2017/10/13/marine-weather-warning-for-gmdss-metarea-xi-2017-10-13t180000z/|title=Marine Weather Warning for GMDSS Metarea XI 2017-10-13T18:00:00Z|date=October 13, 2017|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=October 21, 2017}} The agency upgraded it to a tropical depression almost one day later and began to issue tropical cyclone warnings since 06:00 UTC on October 15.{{Cite web|url=http://www.wis-jma.go.jp/cms/warning/2017/10/14/marine-weather-warning-for-gmdss-metarea-xi-2017-10-14t180000z/|title=Marine Weather Warning for GMDSS Metarea XI 2017-10-14T18:00:00Z|date=October 14, 2017|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=October 21, 2017}}{{Cite web|url=http://tgftp.nws.noaa.gov/data/raw/wt/wtpq21.rjtd..txt|title=WTPQ21 RJTD 150600 RSMC Tropical Cyclone Advisory|date=October 15, 2017|publisher=Japan Meteorological Agency|archive-url=https://archive.today/20240523081520/https://www.webcitation.org/6uExWlPhC?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201710150600.htm|archive-date=May 23, 2024|access-date=October 21, 2017|url-status=dead}} In the afternoon, the JTWC also upgraded it to a tropical depression assigning the designation 25W, which formative but shallow convective bands had become more organized, and symmetrically wrapped into a defined low-level circulation center.{{Cite web|url=http://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt|title=Prognostic Reasoning for Tropical Depression 25W (Twentyfive) Warning Nr 01|date=October 15, 2017|publisher=Joint Typhoon Warning Center|archive-url=https://archive.today/20240523081400/https://www.webcitation.org/6uExnahOj?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201710151500.htm|archive-date=May 23, 2024|access-date=October 21, 2017|url-status=dead}} About three hours later, the JMA upgraded it to the twenty-first Northwest Pacific tropical storm in 2017 and assigned the international name Lan, when it was located approximately {{convert|310|km|mi|abbr=on}} to the northeast of Palau.{{Cite web|url=http://tgftp.nws.noaa.gov/data/raw/wt/wtpq21.rjtd..txt|title=WTPQ21 RJTD 151800 RSMC Tropical Cyclone Advisory|date=October 15, 2017|publisher=Japan Meteorological Agency|archive-url=https://archive.today/20240523081439/https://www.webcitation.org/6uExVPYiZ?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201710151800.htm|archive-date=May 23, 2024|access-date=October 21, 2017|url-status=dead}} Early on October 16, the JTWC upgraded Lan to a tropical storm too, based on T-number 2.5 of the Dvorak technique,{{Cite web|url=http://tgftp.nws.noaa.gov/data/raw/wd/wdpn32.pgtw..txt|title=Prognostic Reasoning for Tropical Storm 25W (Lan) Warning Nr 03|date=October 16, 2017|publisher=Joint Typhoon Warning Center|archive-url=https://archive.today/20240523081601/https://www.webcitation.org/6uI18iUPW?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201710160300.htm|archive-date=May 23, 2024|access-date=October 21, 2017|url-status=dead}} shortly before it entered the Philippine Area of Responsibility and received the name Paolo from PAGASA.{{Cite web|url=https://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin/SWB%232.pdf|title=Severe Weather Bulletin #2 for Tropical Storm Paolo (Lan)|date=October 16, 2017|publisher=PAGASA|archive-url=https://www.webcitation.org/6uNL1jAyJ?url=https://pubfiles.pagasa.dost.gov.ph/tamss/weather/bulletin/SWB|archive-date=October 21, 2017|access-date=October 21, 2017|url-status=dead}}

In Japan, 17 people were killed in Mainland Japan and the agricultural loss were about JP¥62.19 billion (US$547.9 million).{{cite web|title=平成29年台風第21号による被害状況|url=http://www.maff.go.jp/j/saigai/typhoon/20171025.html|publisher=Ministry of Agriculture, Forestry and Fisheries|date=December 7, 2017|access-date=December 27, 2017|archive-date=February 5, 2019|archive-url=https://web.archive.org/web/20190205005241/http://www.maff.go.jp/j/saigai/typhoon/20171025.html|url-status=dead}} Total economic losses were counted to be US$2 billion.

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 18

|Dissipated=October 19

|Image=26W 2017-10-19 0550Z.jpg

|Track=26W 2017 track.png

|1-min winds=25

|Pressure=1002

}}

{{Main|Tropical Depression 26W (2017)}}

Originating from an enhanced monsoon trough, a tropical disturbance developed just to the northwest of Palawan on October 17.{{cite web |title=Index of disturbance|

website=ftp.emc.ncep.noaa.gov| url=http://ftp.emc.ncep.noaa.gov/wd20vxt/hwrf-init/decks/bwp262017.dat| access-date=7 April 2023}} On October 18, the JTWC had issued a TCFA on the system.https://www.webcitation.org/6uJRdQBON?url=http://gwydir.demon.co.uk/advisories/WTPN21-PGTW_201710180830.htm By 21:00 UTC of that day, the JTWC began issuing advisories as they classified it as a tropical depression, assigning the identifier 26W.{{cite web|title=Tropical Depression 26W (Twenty-six) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201710182100.htm|date=October 18, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020954/https://www.webcitation.org/6uL1RLIEK?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201710182100.htm|access-date=March 31, 2018}} This was due to deep convection found near the storm's center with formative banding, along with its location over in a favorable environment.{{cite web|title=Prognostic Reasoning for Tropical Depression 26W (Twenty-six) Warning Nr 01|url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201710182100.htm|date=October 18, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020834/https://www.webcitation.org/6uL1M9ZRV?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201710182100.htm|access-date=March 31, 2018}} Initially, its forecast stated that 26W would intensify into a weak tropical storm, although due to a disorganized center with strong shear, the JTWC issued their final advisory on October 19 as it was being absorbed by the outflow of nearby Typhoon Lan.{{cite web|title=Tropical Depression 26W (Twenty-six) Warning Nr 003|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201710190900.htm|date=October 19, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524020914/https://www.webcitation.org/6uL1QXyMJ?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201710190900.htm|access-date=March 31, 2018}}

Associated with the rainbands of a nearby typhoon, 26W helped spread scattered rainfall throughout most of Visayas and northern Mindanao. Residents in some areas were alerted against possible flash floods and landslides.{{cite web|title=Paolo maintains strength while LPA intensifies into tropical depression|url=http://www.gmanetwork.com/news/scitech/weather/630083/paolo-maintains-strength-while-lpa-intensifies-into-tropical-depression/story/|date=October 19, 2017|publisher=GMA News}} 14 people were dead from heavy rainfall from the system and its precursor, and raised a state of calamity in Zamboanga City on October 23.{{cite web|title=Zamboanga City in state of calamity as thousands evacuate due to Typhoon Paolo and LPA|url=http://cnnphilippines.com/news/2017/10/19/Zamboanga-City-state-of-calamity-typhoon-Paolo-LPA.html|date=October 19, 2017|publisher=CNN Philippines|access-date=October 21, 2017|archive-date=March 16, 2018|archive-url=https://web.archive.org/web/20180316080516/http://cnnphilippines.com/news/2017/10/19/Zamboanga-City-state-of-calamity-typhoon-Paolo-LPA.html|url-status=dead}}{{cite web|title=Landslides, floods leave 14 dead in Zamboanga|url=http://malaya.com.ph/business-news/news/landslides-floods-leave-14-dead-zamboanga|date=October 22, 2017|publisher=Malaya|access-date=October 22, 2017|archive-date=October 23, 2017|archive-url=https://web.archive.org/web/20171023063757/http://malaya.com.ph/business-news/news/landslides-floods-leave-14-dead-zamboanga|url-status=dead}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 22

|Dissipated=October 29

|Image=Saola 2017-10-28 0250Z.png

|Track=Saola 2017 track.png

|10-min winds=60

|1-min winds=65

|Pressure=975

}}

A tropical depression formed north of Guam. The next day, the Tropical Depression transitioned into a Tropical Storm and the Japan Meteorological Agency named it Tropical Storm Saola. By evening of that day, Saola entered the Philippine Area of Responsibility (PAR). The PAGASA gave the local name "Quedan" to the storm.{{cite web | url=https://www.philstar.com/headlines/2017/10/25/1752384/quedan-enters-par | title='Quedan' enters PAR | website=The Philippine STAR }} On October 26, Saola strengthened into a severe tropical storm at 08:00 UTC as it moved slowly in a northwestward heading. Its intensity did not change, even as high wind shear occurred to the north of Saola and the strengthening northeast monsoon while heading to Japan. It left PAR two days later. The system continued to track northeastward and made several landfalls and close approaches over the islands of Ryukyu Arc.{{cite web | url=https://www.rappler.com/nation/weather/186624-20171027-severe-tropical-storm-quedan-pagasa-forecast-11pm | title=Severe Tropical Storm Quedan heading for Japan | date=27 October 2017 }} It started weakening while in cold waters and brought rains to Southern Japan but did not make landfall. It later transitioned into an extratropical cyclone before it dissipated near the Chiba Prefecture.

Although Saola didn't make landfall, damages were totaled up to US$250 million.

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 30

|Dissipated=November 7

|Image=29W 2017-11-04 1905Z.jpg

|Track=29W 2017 track.png

|10-min winds=30

|1-min winds=25

|Pressure=1004

}}

{{See also|2017 Malaysian floods}}

The JMA upgraded a low-pressure area to a tropical depression over the southern portion of the South China Sea, on October 30.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-10-30T12:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/10/30/marine-weather-warning-for-gmdss-metarea-xi-2017-10-30t120000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=October 30, 2017}} The JTWC issued a TCFA during the next day as it gathered strength. Initially forecast to intensify to a tropical storm, the system rapidly deteriorated and degenerated to a remnant low on November 3 as it tracked into the Gulf of Thailand.https://www.webcitation.org/6uhDPPetI?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201711030000.htm Over in the course of two days, after re-curving back to the gulf, the JTWC re-issued a TCFA.https://www.webcitation.org/6ukQtwtjp?url=http://gwydir.demon.co.uk/advisories/WTPN21-PGTW_201711050730.htm By November 6, the JTWC classified the system as Tropical Depression 29W.{{cite web|title=Tropical Depression 29W (Twenty-nine) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201711060900.htm|date=November 6, 2017|archive-date=May 24, 2024|publisher=Joint Typhoon Warning Center|url-status=dead|archive-url=https://archive.today/20240524021036/https://www.webcitation.org/6umUo05xY?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201711060900.htm|access-date=March 31, 2018}} On November 8, 29W made landfall over the Malay Peninsula, before dissipating soon afterward.

Tropical Depression 29W caused unusually heavy rains and flash floods to occur in the Malaysian state of Penang, causing seven fatalities.{{cite web|title=Umno man wants Penang govt to give RM2,000 to flood victims|url=http://www.freemalaysiatoday.com/category/nation/2017/11/06/umno-man-wants-penang-govt-to-give-rm2000-to-flood-victims/|access-date=2017-11-06|archive-date=2019-05-15|archive-url=https://web.archive.org/web/20190515040416/https://www.freemalaysiatoday.com/category/nation/2017/11/06/umno-man-wants-penang-govt-to-give-rm2000-to-flood-victims/|url-status=dead}} Damage in Penang amounted to 328 million ringgit (US$76.3 million).{{cite news|url=https://www.thestar.com.my/business/business-news/2017/11/10/1000-companies-lose-rm300mil-to-penang-floods|title=1,000 companies lose RM300mil to Penang floods|work=The Star|date=November 10, 2017|access-date=November 26, 2021|archive-url=https://web.archive.org/web/20211126021412/https://www.thestar.com.my/business/business-news/2017/11/10/1000-companies-lose-rm300mil-to-penang-floods|archive-date=November 26, 2021|url-status=live|url-access=subscription}}{{cite news|last=Iskandar|first=Petah Wazzan|url=https://www.nst.com.my/news/nation/2017/11/307063/almost-8000-penang-kedah-farmers-be-compensated-flood-losses|title=Almost 8,000 Penang, Kedah farmers to be compensated for flood losses|work=New Straits Times|date=November 24, 2017|access-date=November 24, 2017|archive-url=https://web.archive.org/web/20171124114202/https://www.nst.com.my/news/nation/2017/11/307063/almost-8000-penang-kedah-farmers-be-compensated-flood-losses|archive-date=November 24, 2017|url-status=live}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=October 31

|Dissipated=November 4

|Image=Damrey 2017-11-03 0507Z.jpg

|Track=Damrey 2017 track.png

|10-min winds=70

|1-min winds=90

|Pressure=970

}}

{{main|Typhoon Damrey (2017)}}

The JMA upgraded a low-pressure area to a tropical depression east of Visayas on October 31. PAGASA gave warnings to the system and named it Ramil. The storm brought rainy weather on the All Saints's Day (November 1) to Visayas. The tropical depression made landfall over Busuanga, Palawan at midnight on November 1. On November 2, Ramil strengthened, and the JTWC and JMA upgraded Ramil to a tropical storm, and gave the system the international name Damrey.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-10-31T00:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/10/31/marine-weather-warning-for-gmdss-metarea-xi-2017-10-31t000000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=October 31, 2017}}

Torrential rains caused by the storm resulted in 2.5 ft of deep flooding, damaging agricultural crops. Agricultural damages were totaled to Php1.03 million (US$20,000) over in the city of Aurora Quezon on November 4.{{cite web | website=canadianinquirer.net | date=4 November 2017 | url=https://canadianinquirer.net/v1/2017/11/04/ramil-triggered-floods-damage-p1-m-agri-crops-in-baler/|author=Jason De Asis| access-date=12 April 2023|title=Ramil-triggered floods damage P1-M agri crops in Baler}}

Strong winds, heavy rainfall and severe flooding in Central Vietnam caused by the typhoon. Total damage reached over 22 trillion VND (US$1 billion).{{cite web | url=http://sggp.org.vn/thiet-hai-do-thien-tai-gay-ra-len-den-53200-ty-dong-485282.html | title=Thiệt hại do thiên tai gây ra lên đến 53.200 tỷ đồng | date=29 November 2017 }} Damrey made landfall in central Vietnam as the region hosted the 2017 APEC Summit in Da Nang.

As of November 8, a total of 112 people were confirmed dead due to the storm.{{cite news|author=Mai Nguyen|url=https://www.reuters.com/article/us-asia-storm-vietnam/typhoon-damrey-kills-106-in-vietnam-reservoirs-brimming-before-apec-summit-idUSKBN1D81NX|title=Typhoon Damrey kills 106 in Vietnam, reservoirs brimming before APEC summit|date=8 November 2017|work=Reuters}}{{Cite news|url=https://www.theguardian.com/world/2017/nov/04/typhoon-damrey-hits-vietnam-with-deadly-force|title=Typhoon Damrey hits Vietnam with deadly force|agency=Associated Press|date=2017-11-04|work=The Guardian|access-date=2017-11-04|issn=0261-3077}}

{{Clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=November 7

|Dissipated=November 13

|Image=Haikui 2017-11-11 0250Z.jpg

|Track=Haikui 2017 track.png

|10-min winds=40

|1-min winds=45

|Pressure=998

}}

{{main|Tropical Storm Haikui (2017)}}

A Tropical Depression formed over Samar on November 9, and PAGASA gave the name Salome to the system. Salome damaged boats in Sorsogon with large waves. On the next day, after Salome made landfall, the system intensified into a tropical storm, and the JMA gave the international name Haikui to the system. Haikui dropped heavy rainfall over Southern Luzon and Visayas.{{Cite web|url=https://api.pna.gov.ph/articles/1015428|title=TS 'Salome' maintains strength as it moves to WPS: PAGASA | Philippine News Agency}}{{Dead link|date=February 2024 |bot=InternetArchiveBot |fix-attempted=yes }} It landfalled in Batangas before midnight and passed the boundary of Batangas and Cavite at 11:00 in that evening. It dissipated on Vietnam on November 13, 2017.

In China, Haikui produced heavy, sustained rain in the island province of Hainan, China. Flooding was recorded in several locations on the east side of the province. In the capital Haikou, flooding caused road closure.

{{Cite web |url=http://hainan.ifeng.com/a/20171114/6146111_0.shtml |title=海口这些路段有积水！最深50cm 大小车均无法通行_海南频道_凤凰网 |access-date=2017-11-14 |archive-date=2017-11-14 |archive-url=https://web.archive.org/web/20171114202729/http://hainan.ifeng.com/a/20171114/6146111_0.shtml |url-status=dead }}{{cite web | url=http://tianqi.cncn.com/haikou/news-246792 | title=台风"海葵"停编对海南影响减弱 今天琼海万宁局地暴雨 - 海口天气 }}

No casualties were reported, though damages were totaled up to ₱218.5 million (US$4.26 million). In addition, only five houses were fully damaged in Dipaculao, Aurora.{{cite web|title=Update SitRep No.7 re Preparedness Measures and Effects of Tropical Storm SALOME|url=http://www.ndrrmc.gov.ph/attachments/article/3241/Update_on_Sitrep_No_07_re_Preparedness_Measure_and_Effects_of_Tropical_Storm_SALOME_I_N_HAIKUI_Issued_on_14Nov2017_8AM.pdf|date=November 14, 2017|publisher=NDRRMC}}{{cbignore|bot=medic}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=November 16

|Dissipated=November 19

|Image=Kirogi 2017-11-18 0300Z.jpg

|Track=Kirogi 2017 track.png

|10-min winds=35

|1-min winds=40

|Pressure=1000

}}

{{main|Tropical Storm Kirogi (2017)}}

On November 16, a tropical Depression formed on Sulu Sea, with the PAGASA naming it Tino. At midnight on the same day, the system made landfall on Puerto Princesa.{{cite web | title=Storm 'Tino' to make landfall in Palawan on Friday | website=ABS-CBN News | date=17 November 2017 | url=https://news.abs-cbn.com/news/11/17/17/storm-tino-to-make-landfall-in-palawan-on-friday | access-date=12 April 2023}} At about that time, the system intensified into a tropical storm, receiving the international name Kirogi by the JMA.

Kirogi caused flooding in the Philippines and Vietnam, with trees and power poles toppling in Ho Chi Minh City. Eight people were killed in Vietnam.

Several barangays in Mansalay were affected by floodwaters {{convert|0.5-1|meter|ft}} deep; San Vicente received floods {{convert|1|m|ft}} deep. Three houses were damaged in Palawan; ports in Puerto Princesa, Coron, Palawan, Cuyo, Palawan, El Nido, Palawan, and Brooke's Point temporarily suspended operations, stranding 243 passengers. A total of 497 people were affected as a result of the storm.[https://ndrrmc.gov.ph/attachments/article/3249/Update_SitRep_No_03_re_Preparedness_Measures-and-Effects_of_TropicalStorm_TINO.pdf Preparedness, Measures and Effects of Tropical Storm Tino] ndrrmc.gov.ph {{Webarchive|url=https://web.archive.org/web/20210611104553/https://ndrrmc.gov.ph/attachments/article/3249/Update_SitRep_No_03_re_Preparedness_Measures-and-Effects_of_TropicalStorm_TINO.pdf |date=2021-06-11 }}

Total economic losses in Vietnam were amounted to be US$10 million.{{Cite web|url=http://thoughtleadership.aonbenfield.com/Documents/20171207-ab-analytics-if-november-global-recap.pdf|title=Global Catastrophe Recap November 2017|website=thoughtleadership.aonbenfield.com|publisher=Aon Benfield|access-date=December 7, 2017|archive-date=December 12, 2017|archive-url=https://web.archive.org/web/20171212045306/http://thoughtleadership.aonbenfield.com/Documents/20171207-ab-analytics-if-november-global-recap.pdf|url-status=dead}} The remnant energy of Tropical Storm Kirogi eventually contributed to the formation of Very Severe Cyclonic Storm Ockhi in the North Indian Ocean.{{cite web |url=http://m.thehindubusinessline.com/economy/agri-business/ne-monsoon-may-revive-next-week-last-into-middecember/article9967598.ece|title=Low from kirogi in Bay of Bengal |publisher=Hindu Business Line|date=November 20, 2017|access-date=November 29, 2017}}{{cite web|title=IMD Bulletin for Cyclone Ockhi #16|url=http://www.imd.gov.in/pages/alert_view.php?ff=20171201_al_255|date=December 1, 2017|access-date=December 1, 2017|archive-url=https://web.archive.org/web/20171204023041/http://www.imd.gov.in/pages/alert_view.php?ff=20171201_al_255|archive-date=December 4, 2017|url-status=dead}}

{{clear}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=December 13

|Dissipated=December 23

|Image=Kai-tak 2017-12-16 0500Z.jpg

|Track=Kai-tak 2017 track.png

|10-min winds=40

|1-min winds=50

|Pressure=994

}}

{{main|Tropical Storm Kai-tak}}

A low-pressure area developed into a tropical depression east of Mindanao late on December 11, and the JMA began to issue tropical cyclone warnings early on the next day.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-12-11T18:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/12/11/marine-weather-warning-for-gmdss-metarea-xi-2017-12-11t180000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=December 12, 2017}} It entered the Philippine Area of Responsibility nine hours later, receiving the name Urduja{{cite web|title=LPA turns into Tropical Depression Urduja|url=http://newsinfo.inquirer.net/951820/lpa-turns-into-tropical-depression-urduja|date=December 12, 2017|publisher=Inquirer|author=Julius N. Leonen}} On 21:00 UTC of that same day, the JTWC upgraded the system to a tropical depression and also began issuing advisories, giving the identifier 32W.{{cite web|title=Tropical Depression 32W (Thirty-two) Warning Nr 001|url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201712132100.htm|archive-url=https://archive.today/20240522230939/https://www.webcitation.org/6vhqDPiNO?url=http://gwydir.demon.co.uk/advisories/WTPN31-PGTW_201712132100.htm|url-status=dead|date=December 13, 2017|archive-date=May 22, 2024}} Despite the system being poorly organized with loose banding, the system also was located in an area of very low wind shear.{{cite web|title=Prognostic Reasoning for Tropical Depression 32W (Thirty-two) Warning Nr 01|url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201712132100.htm|archive-url=https://archive.today/20240522231059/https://www.webcitation.org/6vjAYDTDy?url=http://gwydir.demon.co.uk/advisories/WDPN31-PGTW_201712132100.htm|url-status=dead|date=December 13, 2017|archive-date=May 22, 2024}} Three hours later, the JMA upgraded the system to a tropical storm, assigning it the international name Kai-tak.{{cite web|title=RSMC Tropical Cyclone Advisory TS 1726 KAI-TAK (1726) UPGRADED FROM TD|url=http://gwydir.demon.co.uk/advisories/WTPQ20-RJTD_201712140000.htm|archive-url=https://archive.today/20240522230859/https://www.webcitation.org/6vhp2Bcmj?url=http://gwydir.demon.co.uk/advisories/WTPQ20-RJTD_201712140000.htm|url-status=dead|date=December 14, 2017|archive-date=May 22, 2024|agency=Japan Meteorological Agency}}

The city of Tacloban was later placed under a state of calamity as decided by their local council as 80 of the 130 villages were flooded. This resulted in at least 728 families (1,418 individuals) brought to evacuation centers or schools.{{cite web|title=Tacloban under state of calamity due to 'Urduja'|url=http://www.sunstar.com.ph/tacloban/local-news/2017/12/15/tacloban-under-state-calamity-due-urduja-580033|publisher=SunStar Philippines|date=December 15, 2017}}

The NDRRMC confirmed a total of 83 people dead and calculated a total of ₱3.747 billion (US$74.3 million) worth of infrastructure and agricultural damages.{{cite web|title=SitRep_No_28_re_Preparedness_Measures_and_Effects_of_Tropical_Storm-URDUJA_KAI-TAK|url=http://ndrrmc.gov.ph/attachments/article/3259/SitRep_No_28_re_Preparedness_Measures_and_Effects_of_Tropical_Storm-URDUJA_KAI-TAK_issued_07Feb2018_0800H.pdf|date=February 7, 2018|publisher=NDRRMC}}

{{clear}}

{{main|Typhoon Tembin}}

{{Infobox tropical cyclone small

|Basin=WPac

|Formed=December 20

|Dissipated=December 26

|Image=Tembin 2017-12-24 0550Z.jpg

|Track=Tembin 2017 track.png

|10-min winds=70

|1-min winds=85

|Pressure=970

}}

During December 16, the JMA reported that a tropical depression had developed about {{convert|950|km|mi|round=5|abbr=on}} to the southeast of Guam, before they reclassified it as an area of low pressure during the following day.{{cite web|title=JMA WWJP25 Warning and Summary December 16, 2017 00z|url=http://www.jma.go.jp/en/g3/|publisher=Japan Meteorological Agency|archive-date=2024-05-23|archive-url=https://archive.today/20240523143311/https://www.webcitation.org/6vkaQaSKv?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201712160000.htm|date=December 16, 2017|url-status=dead|access-date=July 14, 2018}}{{Cite web|url=http://agora.ex.nii.ac.jp/cgi-bin/weather-chart/search_day.pl?lang=en&year=2017&month=12&day=16|title = Digital Typhoon: List of weather charts on December 16, 2017 (Sat)}}{{Cite web|url=http://agora.ex.nii.ac.jp/cgi-bin/weather-chart/search_day.pl?lang=en&year=2017&month=12&day=17|title = Digital Typhoon: List of weather charts on December 17, 2017 (Sun)}} Over the next few days, the system moved gradually north-westwards in favourable conditions, before it was reclassified as a tropical depression by the JMA during December 20, while it was located to the northeast of Palau.{{cite web|title=RSMC Tropical Cyclone Best Track: Typhoon Tembin|url=http://www.wis-jma.go.jp/cms/warning/2018/01/26/typhoon-best-track-2018-01-26t050000z/|publisher=Japan Meteorological Agency|archive-date=2024-05-23|archive-url=https://archive.today/20240523143945/https://www.webcitation.org/6wkflanK8?url=http://gwydir.demon.co.uk/advisories/AXPQ20-RJTD_201801260500.htm|date=January 26, 2018|url-status=live|access-date=July 14, 2018}} During that day, the JTWC and PAGASA also classified the system as a tropical depression with the latter naming it as Vinta, before the JMA named the system Tembin as it had developed into a tropical storm.{{cite web|title=Prognostic Reasoning for Tropical Depression 33W (Thirty-three) Warning Nr 01|url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201712202100.htm|archive-url=https://archive.today/20240523143542/https://www.webcitation.org/6vsWn2vws?url=http://gwydir.demon.co.uk/advisories/WDPN32-PGTW_201712202100.htm|url-status=dead|date=December 20, 2017|archive-date=May 23, 2024|publisher=Joint Typhoon Warning Center}}{{cite web|title=LPA off Hinatuan, Surigao Sur now Tropical Depression 'Vinta'|url=https://newsinfo.inquirer.net/953934/lpa-off-hinatuan-surigao-sur-now-tropical-depression-vinta|date=December 20, 2017|publisher=The Inquirer|archive-url=https://web.archive.org/web/20171223162106/https://newsinfo.inquirer.net/953934/lpa-off-hinatuan-surigao-sur-now-tropical-depression-vinta|archive-date=2017-12-23|access-date=July 14, 2018|url-status=live}}{{cite web|title=RSMC Tropical Cyclone Advisory TS 1727 Tembin (1727) upgraded from TD|url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201712201800.htm|archive-url=https://archive.today/20240523143340/https://www.webcitation.org/6vsUkEIjS?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201712201800.htm|url-status=dead|date=December 20, 2017|archive-date=May 23, 2024|agency=Japan Meteorological Agency}}

After the storm, on December 25, two towns in Zamboanga del Norte were under a state of calamity because of the flooding caused by the storm, which also made several roads and bridges impassible as they were covered in mud.{{cite web|title=2 Zambo del Norte towns placed under state of calamity|url=http://news.abs-cbn.com/news/12/25/17/2-zambo-del-norte-towns-placed-under-state-of-calamity|date=December 25, 2017|publisher=ABS CBN}}{{Dead link|date=July 2023 |bot=InternetArchiveBot |fix-attempted=yes }}

Rough waves caused by Tembin sank a ferry on December 22, killing five people.{{cite web|title=Search for ferry accident survivors continues, 5 dead|url=http://news.abs-cbn.com/news/12/22/17/search-for-ferry-accident-survivors-continues-5-dead|date=December 22, 2017|publisher=ABS CBN}} An additional 261 people were also killed due to flooding in Mindanao, of which 135 were reported in the province of Lanao del Norte.{{cite web|title=Death toll from Tropical Storm Vinta breaches 200|url=https://www.rappler.com/nation/192078-tropical-storm-vinta-death-toll-20171223|website=Rappler|date=23 December 2017 |access-date=December 24, 2017}} Estimated damages are around ₱2.1 billion (US$42 million).{{Cite web|url=http://www.ndrrmc.gov.ph/attachments/article/3264/SitRep_No_26_re_Preparedness_Measures_and_Effects_of_Typhoon_VINTA_as_of_11FEB2018_0800H.pdf|title=SitRep No.26 for Preparedness Measures and Effects of Typhoon "VINTA"|website=NDRRMC|date=February 11, 2018|access-date=March 23, 2018|archive-date=January 28, 2021|archive-url=https://web.archive.org/web/20210128111109/http://ndrrmc.gov.ph/attachments/article/3264/SitRep_No_26_re_Preparedness_Measures_and_Effects_of_Typhoon_VINTA_as_of_11FEB2018_0800H.pdf|url-status=dead}}

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On March 19, a tropical depression formed close to the northeast of Mindanao, Philippines, and dissipated over the Sibuyan Sea two days later.{{cite web|url=http://agora.ex.nii.ac.jp/cgi-bin/weather-chart/search_day.pl?lang=en&year=2017&month=3&day=19|title=Digital Typhoon: List of weather charts on March 19, 2017 (Sun)|website=agora.ex.nii.ac.jp}}{{cite web|url=http://agora.ex.nii.ac.jp/cgi-bin/weather-chart/search_day.pl?lang=en&year=2017&month=3&day=21|title=Digital Typhoon: List of weather charts on March 21, 2017 (Tue)|website=agora.ex.nii.ac.jp}} Early on June 29, the JMA initiated advisories on a newly formed tropical depression located about {{convert|138|km||abbr=on}} south of Okinawa Island.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-06-29T00:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/06/29/marine-weather-warning-for-gmdss-metarea-xi-2017-06-29t000000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=June 29, 2017|archive-date=2017-08-09|archive-url=https://web.archive.org/web/20170809090826/http://www.wis-jma.go.jp/cms/warning/2017/06/29/marine-weather-warning-for-gmdss-metarea-xi-2017-06-29t000000z/|url-status=dead}} The system re-curved and started moving in a northeastward direction until it dissipated to the southwest of Tokyo on July 1.https://www.webcitation.org/6rcq7wf0F?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201707010000.htm Early on July 4, the JMA indicated that a tropical depression had formed about {{convert|505|km||abbr=on}} south of Okinotorishima.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-04T00:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/04/marine-weather-warning-for-gmdss-metarea-xi-2017-07-04t000000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 4, 2017|archive-date=2017-08-09|archive-url=https://web.archive.org/web/20170809090746/http://www.wis-jma.go.jp/cms/warning/2017/07/04/marine-weather-warning-for-gmdss-metarea-xi-2017-07-04t000000z/|url-status=dead}} During the next day, the JTWC issued a Tropical Cyclone Formation Alert (TCFA) on the system, although it was canceled several hours later.https://www.webcitation.org/6rm7A74CM?url=http://gwydir.demon.co.uk/advisories/WTPN21-PGTW_201707051900.htm After moving northward, the depression rapidly weakened as it was absorbed by a stationary front on July 7.https://www.webcitation.org/6rm7GJy1q?url=http://gwydir.demon.co.uk/advisories/WWJP25-RJTD_201707070000.htm

Early on July 13, the JMA reported that a non-tropical low had transitioned into a tropical depression about {{convert|75|km|mi|abbr=on|round=5}} north-northeast of Iwo Jima.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-13T00:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/13/marine-weather-warning-for-gmdss-metarea-xi-2017-07-13t000000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 13, 2017|archive-date=2017-08-09|archive-url=https://web.archive.org/web/20170809091933/http://www.wis-jma.go.jp/cms/warning/2017/07/13/marine-weather-warning-for-gmdss-metarea-xi-2017-07-13t000000z/|url-status=dead}} The depression moved in a generally northeasterly direction until weakening to a low-pressure area by 06:00 UTC on July 16.{{Cite web|url=http://www.wis-jma.go.jp/cms/warning/2017/07/16/marine-weather-warning-for-gmdss-metarea-xi-2017-07-16t060000z/|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-16T06:00:00Z « WIS Portal – GISC Tokyo|website=www.wis-jma.go.jp|access-date=2017-07-16}} A tropical depression formed about {{convert|700|km||abbr=on|round=5}} northeast of Wake Island late on July 25, though the JTWC indicated it as a subtropical system with estimated recorded winds of {{convert|65|km/h||abbr=on|round=5}}.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-25T18:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/25/marine-weather-warning-for-gmdss-metarea-xi-2017-07-25t180000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 25, 2017|archive-date=2017-07-30|archive-url=https://web.archive.org/web/20170730112856/http://www.wis-jma.go.jp/cms/warning/2017/07/25/marine-weather-warning-for-gmdss-metarea-xi-2017-07-25t180000z/|url-status=dead}}https://www.webcitation.org/6sIiPiGm6?url=http://gwydir.demon.co.uk/advisories/ABPW10-PGTW_201707261400.htm After several days, the system had already transitioned into an extratropical cyclone on July 29, without becoming a tropical storm.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-07-29T06:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/07/29/marine-weather-warning-for-gmdss-metarea-xi-2017-07-29t060000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=July 29, 2017}} Early on August 25 the JMA started to track a tropical depression over in the South China Sea,{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-08-25T18:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/08/25/marine-weather-warning-for-gmdss-metarea-xi-2017-08-25t180000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=August 25, 2017}} although it was last monitored during the next day when it was absorbed by the outflow of Tropical Storm Pakhar.{{cite web|title=Marine Weather Warning for GMDSS Metarea XI 2017-08-26T12:00:00Z|url=http://www.wis-jma.go.jp/cms/warning/2017/08/26/marine-weather-warning-for-gmdss-metarea-xi-2017-08-26t120000z/|website=WIS Portal – GISC Tokyo|publisher=Japan Meteorological Agency|access-date=August 26, 2017|archive-date=2017-08-30|archive-url=https://web.archive.org/web/20170830151448/http://www.wis-jma.go.jp/cms/warning/2017/08/26/marine-weather-warning-for-gmdss-metarea-xi-2017-08-26t120000z/|url-status=dead}} On August 28, the JMA started to issue advisories on a tropical depression that had developed about {{convert|1217|km||abbr=on}} east-northeast of Tuguegarao City.{{cite web|title=RSMC Tropical Cyclone Advisory TD|url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201708281200.htm|date=August 28, 2017|archive-date=May 24, 2024|agency=Japan Meteorological Agency|url-status=dead|archive-url=https://archive.today/20240524015911/https://www.webcitation.org/6t5RsqYBw?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201708281200.htm|access-date=March 31, 2018}} The JMA predicted that the system would become a tropical storm within the next 24 hours, although because the system did not develop further, the JMA issued their final advisory on 03:00 UTC of August 29 when the system had weakened into a low-pressure area.{{cite web|title=RSMC Tropical Cyclone Advisory TD|url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201708290300.htm|date=August 29, 2017|archive-date=May 24, 2024|agency=Japan Meteorological Agency|url-status=dead|archive-url=https://archive.today/20240524015834/https://www.webcitation.org/6t5RqjOKX?url=http://gwydir.demon.co.uk/advisories/WTPQ21-RJTD_201708290300.htm|access-date=March 31, 2018}} The remnants of the system helped with formation of Tropical Storm Mawar.{{cite web|url=http://agora.ex.nii.ac.jp/digital-typhoon/summary/wnp/s/201716.html.en|title=Digital Typhoon: Typhoon 201716 (MAWAR) - General Information (Pressure and Track Charts)|website=agora.ex.nii.ac.jp}} On December 29, a weak tropical depression formed south-southwest of Palau. The system later strengthened into Tropical Storm Bolaven during the following year.

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{{See also|Tropical cyclone naming|History of tropical cyclone naming}}

Within the Northwest Pacific Ocean, both the Japan Meteorological Agency (JMA) and PAGASA assign names to tropical cyclones that develop in the Western Pacific, which can result in a tropical cyclone having two names.{{cite web|title=Monthly Tropical Cyclone Summary December 1999 |access-date=October 1, 2013 |url-status=live |author=Padgett, Gary |publisher=Australian Severe Weather |url=http://www.australiasevereweather.com/cyclones/2000/summ9912.htm |archive-url=https://web.archive.org/web/20020209141515/http://www.australiasevereweather.com/cyclones/2000/summ9912.htm |archive-date=February 9, 2002 }} The Japan Meteorological Agency's RSMC Tokyo — Typhoon Center assigns international names to tropical cyclones on behalf of the World Meteorological Organization's Typhoon Committee, should they be judged to have 10-minute sustained windspeeds of {{convert|65|km/h|mph|round=5|abbr=on}}.{{cite web|title=Typhoon Committee Operational Manual 2013|url=http://www.wmo.int/pages/prog/www/tcp/documents/TCP-23EDITION2013.pdf |archive-url=https://web.archive.org/web/20130801020116/http://www.wmo.int/pages/prog/www/tcp/documents/TCP-23EDITION2012.pdf |publisher=World Meteorological Organization |archive-date=August 1, 2013 |pages=37–38 |date=February 21, 2013 |author=The Typhoon Committee |access-date=October 1, 2013 |url-status=dead}} PAGASA assigns names to tropical cyclones which move into or form as a tropical depression in their area of responsibility located between 135°E–115°E and between 5°N–25°N even if the cyclone has had an international name assigned to it. The names of significant tropical cyclones are retired, by both PAGASA and the Typhoon Committee. Should the list of names for the Philippine region be exhausted then names will be taken from an auxiliary list of which the first ten are published each season. Unused names are marked in {{tcname unused}}.

{{Main|List of retired Pacific typhoon names}}

During the season 27 tropical storms developed in the Western Pacific and each one was named by the JMA, when the system was judged to have 10-minute sustained windspeeds of {{convert|65|km/h|mph|round=5|abbr=on}}. The JMA selected the names from a list of 140 names, that had been developed by the 14 members nations and territories of the ESCAP/WMO Typhoon Committee.{{cite journal|author=Zhou, Xiao|author2=Lei, Xiaotu|year=2012|title=Summary of retired typhoons within the Western North Pacific Ocean|volume=1|issue=1|publisher=The Economic and Social Commission for Asia and the Pacific/World Meteorological Organization's Typhoon Committee|pages=23–32|issn=2225-6032|journal=Tropical Cyclone Research and Review|access-date=December 21, 2014|url=http://tcrr.typhoon.gov.cn/EN/article/downloadArticleFile.do?attachType=PDF&id=7|doi=10.6057/2012TCRR01.03|archive-url=https://web.archive.org/web/20170812172856/http://tcrr.typhoon.gov.cn/EN/article/downloadArticleFile.do?attachType=PDF&id=7|archive-date=August 12, 2017|url-status=dead}} During the season, the names Hato and Lan were used for the first time (only time in the case of Hato), after they had replaced the names Washi and Vicente, which were retired after the 2011 and 2012 seasons, respectively.

After the season the Typhoon Committee retired the names Hato, Kai-tak and Tembin from the naming lists due to the damages and deaths it caused in their respective onslaughts, and they will never be used again for another typhoon name. In 2019, they were replaced with Yamaneko, Yun-yeung and Koinu, respectively.{{Cite web|url=http://www.cma.gov.cn/en2014/news/News/201902/t20190228_515957.html|title=CMA|website=www.cma.gov.cn|access-date=2019-03-01}}

{{Main|List of retired Philippine typhoon names}}

During the season PAGASA used its own naming scheme for the 22 tropical cyclones, that either developed within or moved into their self-defined area of responsibility.{{cite web|title=Philippine Tropical Cyclone Names|access-date=April 18, 2015|agency=PAGASA|url=http://www.pagasa.dost.gov.ph/index.php/learning-tools/94-weather/278-philippine-tropical-cyclone-names|url-status=dead|archive-url=https://web.archive.org/web/20161228042559/http://www.pagasa.dost.gov.ph/index.php/learning-tools/94-weather/278-philippine-tropical-cyclone-names|archive-date=December 28, 2016}}{{cite news|title=PHL ends 2015 with less typhoons; to decommission 2 killer cyclones |access-date=December 22, 2015 |newspaper=The Philippine Star |url=http://www.philstar.com/headlines/2015/12/22/1535360/pagasa-less-typhoons-year-due-el-nino |archive-url=https://web.archive.org/web/20151223162021/http://www.philstar.com/headlines/2015/12/22/1535360/pagasa-less-typhoons-year-due-el-nino |url-status=live |archive-date=December 23, 2015 |author=Patricia Lourdes Viray }} The names were taken from a list of names, that was last used during the 2013 season and was used again during the 2021 season. All of the names are the same except for Lannie, Salome and Yasmin, which replaced the names Labuyo, Santi and Yolanda after they were retired. The names Lannie and Salome were used for the first time this year.

On December 21, PAGASA announced that it would remove the names Urduja and Vinta from their naming lists after they caused over ₱1 billion in damage.{{cite web|title=Urduja removed from PAGASA name list as damage exceeds P1 billion|url=http://www.gmanetwork.com/news/news/nation/637260/pagasa-removes-urduja-from-pagasa-name-list-as-damages-exceed-p1-billion/story/|date=December 21, 2017|publisher=GMA News}} They were replaced with Uwan and Verbena in 2021.{{Cite web|url=http://bagong.pagasa.dost.gov.ph/learning-tools/philippine-tropical-cyclone-names|title=PAGASA|website=bagong.pagasa.dost.gov.ph|access-date=2019-02-24}}

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This table summarizes all the systems that developed within or moved into the northern Pacific Ocean, to the west of the International Date Line during 2017. The tables also provide an overview of a systems intensity, duration, land areas affected and any deaths or damages associated with the system.

{{Portal|Tropical cyclones}}

• Weather of 2017
• Tropical cyclones in 2017
• Pacific typhoon season
• 2017 Atlantic hurricane season
• 2016–17 Australian region cyclone season
• 2017–18 Australian region cyclone season
• 2017 North Indian Ocean cyclone season
• 2017 Pacific hurricane season
• 2016–17 South Pacific cyclone season
• 2017–18 South Pacific cyclone season
• 2016–17 South-West Indian Ocean cyclone season
• 2017–18 South-West Indian Ocean cyclone season

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{{TC Decades|Year=2010|basin=Pacific|type=typhoon}}

{{Tropical cyclone season|2017}}

Category:Articles which contain graphical timelines

Category:Pacific typhoon seasons

2017 WPac