Aug 3, 2001
A very weak cold became stationary to the south of Iowa during the late afternoon of the 2nd and early morning of the 3rd. Once again, elevated convection developed in Iowa as the low level jet brought moisture northeast into Iowa. The 00 UTC upper air analysis indicated 850 mb dew point temperatures near 20 degrees C. being drawn into the state. Low level jet stream winds increased to 30 to 40 kts during the night, helping fuel thunderstorm development. A band of thunderstorms developed fro
Source: NOAA National Weather Service Storm Events Database (event 5260659). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Decatur County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.