May 21, 2001
For the first time in well over a month all forecast points in the HSA fell below flood stage on May 18th, as Estherville finally fell below flood stage. The respite was short-lived however, as heavy rains fell on the 20th- 21st over mainly the western and northern half of the HSA. Mean areal rainfall of 1 to as much as 3 inches was estimated over the central and northern portions of the Des Moines and Iowa river basins. The Estherville ASOS station measured 2.95" in 24 hours; other significa
Source: NOAA National Weather Service Storm Events Database (event 5242636). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Winnebago County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.