:Tropical Depression Ten (2007)

{{storm path|10-L 2007 track.png|colors=new}}

Tropical Depression Ten formed from the complex interaction between an upper-level low, a tropical wave that produced Tropical Storm Ingrid, and the tail end of a cold front. By September 17, the system produced widespread thunderstorm activity over The Bahamas and western Atlantic Ocean.{{cite web|author=Jamie Rhome|year=2007|title=Tropical Depression Ten Tropical Cyclone Report|publisher=National Hurricane Center|access-date=2007-10-16|format=PDF|url={{NHC TCR url|id=AL102007_Ten}}}} The upper-level low over the Florida Panhandle increased convection across the area, and on September 18 the system began crossing Florida.{{cite web|author=Avila|year=2007|title=September 18 Tropical Weather Outlook|publisher=National Hurricane Center|access-date=2007-09-21|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/Outlook-A/2007091821.ABNT20}}{{Dead link|date=March 2015}} Initially very disorganized, surface pressures gradually decreased across the region, with a weak low-pressure area developing on September 19.{{cite web|author=Pasch|year=2007|title=September 19 Tropical Weather Outlook|publisher=National Hurricane Center|access-date=2007-09-21|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/Outlook-A/2007091909.ABNT20}}{{Dead link|date=March 2015}}

A reconnaissance aircraft flight into the system on September 20 reported a well-defined low and strong wind gusts in squalls as the system tracked into the northeastern Gulf of Mexico, along with limited and disorganized thunderstorm activity.{{cite web|author=Pasch|year=2007|title=September 20 Tropical Weather Outlook|publisher=National Hurricane Center|access-date=2007-09-21|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/Outlook-A/2007092021.ABNT20}}{{Dead link|date=March 2015}} Convection gradually became better organized, with a well-defined band in its eastern semicircle and intermittent thunderstorm activity near the center. Despite an overall disorganized structure, with a poorly defined circulation and an upper-level low aloft, the National Hurricane Center initiated advisories on Subtropical Depression Ten at 1500 UTC on September 21 while it was located about {{Convert|40|mi|km|spell=|abbr=}} south of St. Vincent Island, Florida, citing "the potential for additional development right along the coastline."{{cite web|author=Franklin|year=2007|title=Subtropical Depression Ten Discussion One|publisher=National Hurricane Center|access-date=2007-09-21|url=http://www.nhc.noaa.gov/archive/2007/al10/al102007.discus.001.shtml?}} In post-analysis, it was classified a subtropical cyclone three hours earlier.

With a mid-level ridge to its northwest, the subtropical depression was anticipated to parallel the coastline of the Gulf Coast of the United States. As a result, it was forecast to attain winds of {{Convert|45|mph|kph|spell=|abbr=on}} and move ashore along southern Mississippi. The circulation became better defined as convection modestly increased over the center, and within six hours of its development the system transitioned into a tropical depression. The cyclone continued tracking northwestward,{{cite web|author=Franklin|year=2007|title=Tropical Depression Ten Discussion Two|publisher=National Hurricane Center|access-date=2007-09-21|url=http://www.nhc.noaa.gov/archive/2007/al10/al102007.discus.002.shtml?}} making landfall around 0000 UTC on September 22 near Fort Walton Beach, Florida, with winds of {{Convert|35|mph|kph|spell=|abbr=on}}.{{cite web|author=Avila|year=2007|title=Tropical Depression Ten Public Advisory Two-A|publisher=National Hurricane Center|access-date=2007-09-21|url=http://www.nhc.noaa.gov/archive/2007/al10/al102007.public_a.002.shtml?}} The cloud pattern deteriorated as it tracked inland, and 3 hours after it moved ashore the National Hurricane Center issued its last advisory on the depression.{{cite web|author=Avila|year=2007|title=Tropical Depression Ten Discussion Three|publisher=National Hurricane Center|access-date=2007-09-21|url=http://www.nhc.noaa.gov/archive/2007/al10/al102007.discus.003.shtml?}} As the depression tracked into Alabama, it became increasingly disorganized, and the system would dissipate early on September 22. Its remnant surface low continued west-northwest before dissipating near the Louisiana/Texas border early on September 23.{{cite web|author=David M. Roth|year=2007|title=Tropical Depression #10 - September 18–23, 2007|publisher=Hydrometeorological Prediction Center|url=http://www.wpc.ncep.noaa.gov/tropical/rain/td102007.html|access-date=2007-10-18|archive-url = https://web.archive.org/web/20080616074635/http://www.hpc.ncep.noaa.gov/tropical/rain/td102007.html |archive-date =2008-06-16|url-status=dead}}

Image:Eustis, Florida Tornado Damage (1).jpg]]

Image:Tropical Depression Ten 2007 rainfall.gif

The combination of wind shear and low-level helicity produced moderate convection across central Florida in association with the precursor low pressure system. Late on September 20, a supercell developed near Lake Apopka, and tracking quickly northward it spawned an EF1 tornado near Eustis; the tornado tracked for {{Convert|1.83|mi|km|spell=|abbr=on}} and reached winds of about {{Convert|100|mph|kph|spell=|abbr=on}}.{{cite web|author=Melbourne, Florida National Weather Service|year=2007|title=Eustis Tornado|access-date=2007-09-23|url=http://www.srh.noaa.gov/mlb/surveys/092007/index.html |archive-url=https://web.archive.org/web/20081016130800/http://www.srh.noaa.gov/mlb/surveys/092007/index.html |archive-date=2008-10-16}} The tornado destroyed 20 homes, left 30 others severely damaged, injured one person, and caused power outages for about 300 people.{{cite news|author=CBS.com |title=Florida Tornado Strikes 50 Homes |access-date=2007-09-21 |url=https://www.cbsnews.com/news/florida-tornado-strikes-50-homes/ |archive-url=https://web.archive.org/web/20101116161915/http://www.cbsnews.com/stories/2007/09/21/storm/main3285673.shtml |archive-date=2010-11-16 |work=CBS News |date=2007-09-21 |url-status=live }} Damage totaled $6.2 million (2007 USD).{{cite web|author=National Climatic Data Center|access-date=2008-02-20|year=2007|title=Event Report for Florida|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~450914|archive-url=https://web.archive.org/web/20110520002428/http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~450914|archive-date=2011-05-20}} Tornadoes were also reported near Marianna and Chipley.{{cite web|author=Godsey & Jamski |year=2007 |title=Tropical Depression Ten Post-Tropical Cyclone Report |publisher=Tallahassee, Florida National Weather Service |access-date=2007-09-24 |url=http://www.srh.noaa.gov/data/warn_archive/TAE/PSH/0924_205249.txt |archive-url=https://archive.today/20240522210048/https://www.webcitation.org/5qXxL87Js?url=http://www.srh.noaa.gov/data/warn_archive/TAE/PSH/0924_205249.txt |archive-date=2024-05-22 |url-status=dead }} The precursor low pressure system also generated lightning that struck and killed a man in Hendry County, Florida.{{cite web|title=Lightning Event Report for Florida|year=2007|publisher=National Climatic Data Center|access-date=2016-01-22|url=http://www.ncdc.noaa.gov/stormevents/eventdetails.jsp?id=66113}}

Outer rainbands began affecting coastal sections of the Florida Panhandle by about 12 hours prior to the formation of the depression.{{cite web|author=Avila|year=2007|title=September 20 Tropical Weather Outlook (2)|publisher=National Hurricane Center|access-date=2007-09-21|url=ftp://ftp.met.fsu.edu/pub/weather/tropical/Outlook-A/2007092102.ABNT20}}{{Dead link|date=March 2015}} Coinciding with the first advisory on the depression, the National Hurricane Center issued a tropical storm warning from Apalachicola, Florida, westward to the mouth of the Mississippi River.{{cite web|author=Franklin|year=2007|title=Subtropical Depression Ten Public Advisory One|publisher=National Hurricane Center|access-date=2007-09-21|url=http://www.nhc.noaa.gov/archive/2007/al10/al102007.public.001.shtml?}} Shortly thereafter, an inland tropical storm warning was issued for Pearl River, Walthall, and Pike counties in Mississippi and Washington Parish in Louisiana. Additionally, the New Orleans National Weather Service issued a coastal flood watch for four parishes in southeastern Louisiana.{{cite web|author=New Orleans National Weather Service |year=2007 |title=Tropical Depression Ten Local Statement |access-date=2007-09-21 |url=http://www.nhc.noaa.gov/text/WTUS84-KLIX.shtml |url-status=dead |archive-url=https://web.archive.org/web/20080127192504/http://www.nhc.noaa.gov/text/WTUS84-KLIX.shtml |archive-date=January 27, 2008 }} In Mississippi, Governor Haley Barbour declared a state of emergency. Officials ordered a mandatory evacuation for residents in shallow areas and in mobile homes for Jackson, Harrison, and Hancock counties.{{cite news | url=http://www.natchezdemocrat.com/2007/09/22/after-storm-preparations-miss-avoids-tropical-jolt/ | title=After storm preparations, Miss. avoids tropical jolt | work=natchezdemocrat.com | date=22 September 2007 | access-date=June 7, 2015 | location=Biloxi}} Officials in New Orleans opened three emergency shelters,{{cite web|author=Times-Piscayne|year=2007|title=Nagin announces storm shelter locations|access-date=2007-09-21|url=http://blog.nola.com/times-picayune/2007/09/nagin_annouces_storm_shelter_l.html|archive-url=https://web.archive.org/web/20140102202107/http://blog.nola.com/times-picayune/2007/09/nagin_annouces_storm_shelter_l.html|archive-date=2014-01-02|url-status=dead}} citing the potential need of shelter for citizens in about 17,000 FEMA trailers after Hurricane Katrina. Due to the threat of the cyclone, Louisiana governor Kathleen Blanco declared a state of emergency and placed the state's National Guard and other disaster services on reserve.{{cite news|author=Michael Winter|year=2007|title=Gulf Coast braces for first tropical storm since Katrina|publisher=USAToday.com|access-date=2007-09-21|url=http://blogs.usatoday.com/ondeadline/2007/09/gulf-coast-brac.html|archive-url=https://web.archive.org/web/20071010040528/http://blogs.usatoday.com/ondeadline/2007/09/gulf-coast-brac.html|archive-date=2007-10-10}}

Waves of about {{Convert|5|ft|m|spell=|abbr=on}} and rip currents were reported along the west coast of Florida.{{cite web|author=Tampa Bay National Weather Service |year=2007 |title=Coastal Hazard Message |access-date=2007-09-22 |url=http://www.srh.noaa.gov/data/warn_archive/TBW/CFW/0921_114356.txt |archive-url=https://archive.today/20240522210008/https://www.webcitation.org/5qXxKj124?url=http://www.srh.noaa.gov/data/warn_archive/TBW/CFW/0921_114356.txt |archive-date=2024-05-22 |url-status=dead }} However, no beach erosion was reported. Rainfall associated with the system peaked at {{Convert|7.29|in|mm|spell=|abbr=on}} at Hastings. Elsewhere, rainfall totals reached {{Convert|1.46|in|mm|spell=|abbr=on}} in Albany, Georgia, and {{Convert|0.51|in|mm|spell=|abbr=on}} in Dothan, Alabama.{{cite web | url=http://www.wpc.ncep.noaa.gov/tropical/tropical_advisories.php?storm=10&adnum=4&dt=2007092209&status=remnants | title=Remnants of 10 Advisory Number 4 | publisher=Weather Prediction Center | date=22 September 2007 | access-date=June 7, 2015}} Wind gusts from the storm peaked at {{Convert|46|mph|kph|spell=|abbr=on}} in Milton, Florida, which blew down a few trees in Escambia County.{{cite web|author=Beeler |year=2007 |title=Tropical Depression Ten Post Tropical Cyclone Report |publisher=Mobile, Alabama National Weather Service |access-date=2007-09-24 |url=http://www.srh.noaa.gov/data/warn_archive/MOB/PSH/0924_172212.txt |archive-url=https://archive.today/20240522210132/https://www.webcitation.org/5qXxLRdp7?url=http://www.srh.noaa.gov/data/warn_archive/MOB/PSH/0924_172212.txt |archive-date=2024-05-22 |url-status=dead }} Overall damage from the depression was minimal. Storm surge ranged from {{convert|2.5|to|4.1|ft|m}} along the Panhandle.{{cite web|title=Tropical Depression Ten Event Report for Florida|year=2007|publisher=National Climatic Data Center|access-date=2008-11-11|url=http://www4.ncdc.noaa.gov/cgi-win/wwcgi.dll?wwevent~ShowEvent~684643}}{{Dead link|date=July 2013}}

Prior to the storm's development, several oil and gas companies removed unneeded workers from offshore oil platforms in the northern Gulf of Mexico; Shell Oil Company evacuated about 700 employees, while Noble Energy removed its workforce of about 300 people from two oil rigs.{{cite news|author=Brett Canton |date=2007-09-19 |title=As tropical low lurks, offshore companies exercise caution |publisher=Houston Chronicle |access-date=2007-09-21 |url=http://www.redorbit.com/news/business/1072198/as_tropical_low_lurks_offshore_companies_exercise_caution/index.html |archive-url=https://web.archive.org/web/20110522044732/http://www.redorbit.com/news/business/1072198/as_tropical_low_lurks_offshore_companies_exercise_caution/index.html |archive-date=2011-05-22 |url-status=dead }} ExxonMobil cut its output by about 1,000 barrels of oil and {{convert|55000|ft3}}.{{cite news|author=Erwin Seba|date=2007-09-20|title=Oil firms pull U.S. Gulf workers|publisher=Reuters|access-date=2007-09-21|url=https://www.reuters.com/article/businessNews/idUSN1924225720070920}} With 27.7% of the daily crude oil production halted due to the depression, oil prices rose further after days of increasing levels, and on September 20 reached a record rate of over $84 per barrel.{{cite web|agency=Reuters|year=2007|title=Foul weather slashes U.S. Gulf oil production|access-date=2007-09-21|url=http://www.signonsandiego.com/news/business/20070921-0707-storm-energy-outages.html|archive-url=https://archive.today/20120912235234/http://www.signonsandiego.com/news/business/20070921-0707-storm-energy-outages.html|url-status=dead|archive-date=2012-09-12}}

{{See also|List of United States tornadoes from August to September 2007#September 20}}

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{{Portal|Tropical cyclones}}

• List of Florida hurricanes (2000–present)
• Timeline of the 2007 Atlantic hurricane season

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