Aug 14, 2009
The evening of August 13th, a slow moving mesoscale convective complex developed, with a band of intense thunderstorms across Pierce, Pepin, and Eau Claire counties in west central Wisconsin. Between 10 pm and 12 midnight, nearly 5 inches of rain fell in portions of Pierce and Pepin counties, causing significant flash flooding, with mud slides reported near Ella, Wisconsin. This was along County Road N, near the Chippewa River. A local observer in Arkansaw, Wisconsin reported 6.5 inches of rainf
Source: NOAA National Weather Service Storm Events Database (event 180628). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Dunn County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.