Jun 15, 1998
A weak flow pattern was located Iowa. Abundant low level moisture combined with the strong solar heating and passage of a weak trough of low pressure resulted in thunderstorm development. The storms were not severe, but they also were not moving very fast. A fairly small cell developed over Hancock County and dumped very heavy rain and caused a flash flood. Six inches of rain fell in just over one hour south of the city of Britt. Highways were under water for a time and agricultural floodin
Source: NOAA National Weather Service Storm Events Database (event 5654173). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Hancock County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.