Aug 11, 2008
A cold front and upper level trough moving across central and northeast South Dakota interacting with moist and unstable air brought several severe thunderstorms along with heavy rains to the area. Large hail up to the size of golf balls along with heavy rains up to 3 inches occurred. Several areas of flash flooding were observed with water over some roads along with flooded cropland.
Source: NOAA National Weather Service Storm Events Database (event 132014). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in McPherson County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.