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Flash Flood — Carroll, IL

Aug 19, 2022

A cold core low moved over the area, dragging along a weak and slow moving surface low. Although weak, sufficient low level and upper forcing aided in developing strong to severe storms. Instability and shear were strong enough for a few supercell thunderstorms to develop and bring hail, strong winds, and heavy rain to the area. The storms were slow moving. which allowed some storms to anchor over locations for an extended period of time, resulting in flash flooding. Some repeated storms over th

Source: NOAA National Weather Service Storm Events Database (event 1052925). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Carroll, IL

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

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