Jul 27, 2022
A complex of thunderstorms moved east across southern Illinois during the early morning hours. A few of the storms became severe. The complex of storms occurred along a cold front that extended from the Great Lakes to the mid Mississippi Valley. The storms occurred along the southern fringe of a band of stronger 500 mb winds in a region of weak to moderate instability. Due to moist ground from previous thunderstorms, some roads were flooded.
Source: NOAA National Weather Service Storm Events Database (event 1039105). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Hamilton County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.