Aug 13, 2021
A cluster of strong thunderstorms over southeastern Missouri resulted in a quick 2 to 3 inches of rain in 90 minutes near the Poplar Bluff area. The storms occurred in a very weakly forced environment, however, the air mass was very moist and unstable. Elevated instability was quite high, with capes up to 2000 J/kg. Very high moisture content and very weak steering flow aloft (around 10 knots of flow through the mid levels) contributed to slow and erratic storm motions and very efficient rainfal
Source: NOAA National Weather Service Storm Events Database (event 971627). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Butler County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.