Jul 15, 2020
Organized clusters of strong to isolated severe thunderstorms moved into southwest Illinois during the late afternoon and evening. A 500 mb disturbance over northwest Missouri moved east-southeast toward west central Illinois during the afternoon. An outflow boundary from morning storms was the focus for thunderstorm development in east central Missouri. These storms propagated southeast across southern Illinois in the evening, fed by a very warm and moist air mass. Partial sunshine resulted in
Source: NOAA National Weather Service Storm Events Database (event 905312). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Perry County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.