May 15, 2017
During the day on the 15th, much of Iowa found itself firmly in the warm sector with a warm front/stationary front eventually settling across northern Iowa. Temperatures reached the upper 80s along with dew points in the mid to upper 60s, helping fuel MUCAPE values in excess of 2000 J/kg. Effective bulk shear was generally marginally supportive to supportive in the 25-45 kt range. Isolated storms initiated during the afternoon, eventually leading way to strong more widespread storms in the ev
Source: NOAA National Weather Service Storm Events Database (event 693151). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cerro Gordo County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.