Aug 7, 2021
A midlevel shortwave moved through the area producing storms with severe criteria hail and wind gusts. In Council Bluffs, 2 to 3 inches of rain fell over about an hour which led to a flash flood warning being issued. Flash flooding washed through basement apartments, swept up cars, and heaved pavement in low-lying areas.
Source: NOAA National Weather Service Storm Events Database (event 983072). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Pottawattamie County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.