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Flash Flood — Allen, KS

May 14, 2018

Severe thunderstorms developed along and ahead of a quasi-stationary front that was draped across the area. One long-lived supercell produced a brief tornado northwest of Ark City before exiting into Oklahoma and becoming stationary. The supercell then moved north and produced multiple tornadoes as a large bow echo thunderstorm merged with the supercell in central Cowley County. This was quickly followed by several shorter-lived Quasi-Linear Convective System (QLCS) tornadoes north and east of W

Source: NOAA National Weather Service Storm Events Database (event 756608). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Allen, KS

This event is one of many recorded floods in Allen County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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