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Draft:People Chaser Derecho

From Wikipedia, the free encyclopedia
Draft:People Chaser Derecho
A fifteen-hour composite loop of the derecho as it moved across the southern Great Plains.
Meteorological history
FormedMay 27, 2001, X PM CDT (UTC−05:00)
DissipatedMay 28, 2001, X PM CDT (UTC−05:00)
Derecho
Overall effects
Fatalities0
Injuries0

Part of the Weather of 2001

From May 27–28, 2001, a massive, powerful and long-lived wind storm, known as a derecho, moved across the southern Great Plains of the United States, inflicting widespread damage and severe wind gusts in excess of 58 mph (93 km/h) across portions of Kansas, Oklahoma and Texas.

Meteorological synopsis

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Episode narrative

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Event narrative

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Storm summary

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Formation in Kansas

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During the afternoon hours on Sunday, bands of lone supercell thunderstorms developed and tracked over portions of the High Plains, within western Kansas and eastern Colorado. In Kansas, These isolated storms produced a few weak, and brief F0 tornadoes across Wallace, Logan and Wichita Counties in the far western portion of the state. Another F0 tornado was reported in Comanche County, down south by a highly experienced storm chaser.[1][2]

As cooler outflow winds expelled by these supercells increased over southwestern Kansas, a gust front developed and quickly moved to the southeast. The supercells that were part of the outflow boundary, subsequently organized and evolved into a bowing squall line, with some supercells becoming embedded within the line of storms. The bowing segment raced on a southeastern trajectory, eventually producing a derecho.[2]

At approximately 5:05 p.m. CDT (22:05 UTC) near Garden City, a mobile Doppler on Wheels radar truck that was stationed in the area, was observing the incoming supercells around 15–30 miles (24–48 km) to its north. At 5:33 p.m. CDT (22:33 UTC) or 28 minutes later, one supercell in the cluster closed in some 5–10 miles (8.0–16.1 km) north of the DOW, with it and other cells already expelling cool outflow air ahead of them. This gust front took over the radar truck, though other outflow winds moved north and impacted the research team with strong cold air. A few minutes later, the DOW recorded the strongest measured winds, with a peak wind gust in excess of 44 metres per second (98 mph; 160 km/h) or 100 miles per hour (160 km/h) at the surface. The mesoscale convective system (MCS) reportedly produced severe gusts (winds of 58 miles per hour (93 km/h) or greater) across other parts of southwestern Kansas as well, before leaving the state at around 7:00 p.m. CDT (00:00 UTC).[2][3]

Track across Oklahoma

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Continuation and endpoint in Texas

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Aftermath

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Damage and casualties

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Recovery process

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Academic studies

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See also

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References

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  1. ↑ "Search for Tornado in All U.S. States/Areas; May 27–28, 2001". National Centers for Environmental Information. 2001. Retrieved September 4, 2026.
  2. 1 2 3 ""The 'People Chaser' Derecho"". National Oceanic and Atmospheric Administration. 2001. Retrieved September 4, 2026.
  3. ↑ ""DOPPLER ON WHEELS" RADAR IMAGES". National Oceanic and Atmospheric Administration. 2001. Retrieved September 4, 2026.