Aug 18, 2021
Thunderstorms with heavy rainfall occurred during the peak heating hours late in the afternoon. The storms formed in a very moist but weak southwest wind flow at the surface and aloft. A weak 500 mb shortwave over the lower Ohio Valley contributed to the generation of the storms.
Source: NOAA National Weather Service Storm Events Database (event 971620). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Daviess County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.