Jul 10, 2020
A shortwave trough and its associated surface cold front advanced across the upper Midwest and Great Lakes on July 10th. Conditions were favorable for strong/ severe downburst winds. HREF models at the time suggested a period of 1500 MUCAPE across the western counties, steep low-level lapse rates, and surface delta theta-e values approaching 20K. Flooding was likely due low shear and PWAT values near 1.5-1.8 inches.
Source: NOAA National Weather Service Storm Events Database (event 903866). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Fayette County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.