Apr 7, 2001
The first significant rainfall of the month affected much of the Des Moines Hydrologic Service Area (HSA) on the 5th as scattered showers and the seasons's first thunderstorms moved across the area. The 24-hour isohyetal map showed a chaotic pattern as 0.50 to 0.75 inches fell across west central Iowa, mainly in the North Raccoon River basin. Rains in excess of a half-inch fell along the southern border of Iowa. Less than 0.10 of an inch fell over northwest and south central parts of the HSA, w
Source: NOAA National Weather Service Storm Events Database (event 5237608). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Calhoun County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.