Jul 12, 2011
Clusters of thunderstorms drifted east-southeast across southern Illinois. A hot air mass fed north-northeastward into these storms, maintaining a feed of instability. Strong outflow winds ahead of the storms produced isolated damage. After the initial round of storms stabilized the atmosphere, the storms posed more of a heavy rain and flooding threat. The storms occurred along and ahead of a cold front that was draped across southern Illinois and southern Missouri.
Source: NOAA National Weather Service Storm Events Database (event 321917). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Jackson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.