Cycloidal marks
{{Short description|Debris piles made by powerful tornadoes}}
File:Tornado scouring marks on ground. Scottsbluff, Nebraska - NARA - 283877.jpg in 1955]]
{{Use mdy dates|date = February 2025}}
Cycloidal marks, also known as cycloidal damage swaths, are lineo-circular piles of debris that are produced by some powerful multiple-vortex tornadoes.{{Cite web |last=Wakimoto |first=Roger |date=October 4, 2021 |title=The Dodge City Tornadoes on 24 May 2016: Understanding Cycloidal Marks in Surface Damage Tracks and an Analysis of the Debris Cloud |url=https://essic.umd.edu/events/the-dodge-city-tornadoes-on-24-may-2016-understanding-cycloidal-marks-in-surface-damage-tracks-and-an-analysis-of-the-debris-cloud/ |access-date=February 6, 2025 |website=University of Maryland}}{{Cite web |last=Butler |first=Kirstin |title=The Remarkable Mind of Mr. Tornado |url=https://www.pbs.org/wgbh/americanexperience/features/mr-tornado-remarkable-mind/ |access-date=2025-02-06 |website=PBS |language=en}} Cycloidal marks are typically an indication that a tornado possessed suction vortices. Notable tornadoes that have produced cycloidal marks include the 2008 Parkersburg–New Hartford tornado,{{Cite web |last=Lipar |first=Matej |date=November 2024 |title=Tornado scar on the Nullarbor Plain, Australia |url=https://www.researchgate.net/publication/386182873_Tornado_scar_on_the_Nullarbor_Plain_Australia |access-date=February 6, 2025 |website=Journal of Southern Hemisphere Earth System Science}} 2016 Dodge City tornadoes and the 2022 Nullarbor Plain tornado.{{Cite journal |last=Wakimoto |first=Roger M. |last2=Wienhoff |first2=Zachary |last3=Reif |first3=Dylan |last4=Bluestein |first4=Howard B. |last5=Lewellen |first5=David C. |date=2022-06-01 |title=The Dodge City Tornadoes on 24 May 2016: Understanding Cycloidal Marks in Surface Damage Tracks and Further Analysis of the Debris Cloud |url=https://ui.adsabs.harvard.edu/abs/2022MWRv..150.1233W/abstract |journal=Monthly Weather Review |volume=150 |pages=1233–1246 |doi=10.1175/MWR-D-21-0262.1 |issn=0027-0644}}{{Cite web |last=Schultz |first=Isaac |date=2024-11-25 |title=Researchers Pinpoint Cause of Strange Scar in Australian Outback |url=https://gizmodo.com/researchers-pinpoint-cause-of-strange-scar-in-australian-outback-2000529646 |access-date=2025-02-06 |website=Gizmodo |language=en-US}} Cycloidal marks created by dust devils have been documented on Mars by the Mars Global Surveyor.{{Cite web |title=PIA04564: Cycloidal Dust Devil Track |url=https://photojournal.jpl.nasa.gov/catalog/PIA04564 |access-date=2025-02-06 |website=NASA}}{{Cite web |title=Cycloidal Dust Devil Track |url=https://www.jpl.nasa.gov/images/pia04564-cycloidal-dust-devil-track/ |access-date=2025-02-06 |website=NASA Jet Propulsion Laboratory (JPL) |language=en-US}}
See also
References
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