Aug 22, 2011
Thunderstorms repeatedly tracked from northeast Nebraska southeast along the Missouri River Valley of eastern Nebraska and southwest Iowa during the early morning hours of August 22. The storms produced a few large hail and damaging wind reports, but mostly dropped heavy rain in a narrow band from 40 to 50 miles northwest through southeast of Omaha. In this band rainfall of 2 to 4 inches was common with isolated 5+ inch reports.
Source: NOAA National Weather Service Storm Events Database (event 327091). 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.