Apr 8, 2020
Severe thunderstorms occurred during the late afternoon and evening hours as a strong cold front moved southeast into the area. Surface low pressure moved across central Illinois during the late afternoon hours. High temperatures soared into the mid 80's in many locations, which helped to prime the atmosphere for severe thunderstorm development. Surface-based instability was quite strong. Very cold air aloft contributed to steep mid-level lapse rates near 8.5 C/km, very favorable for large hail.
Source: NOAA National Weather Service Storm Events Database (event 880673). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Bollinger County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.