Aug 20, 2007
Little change took place in the overall weather pattern with a nearly stationary frontal boundary remaining over the state. The morning convection moved off allowing for afternoon solar isolation to take place, destabilizing the atmosphere once again. Temperatures over the southwest half of the state warmed into the mid to upper 80s with dew points in the low to mid 70s. West of Iowa it warmed into the mid 90s with mid 70 dew points. The airmass became very unstable with CAPE in the the 5000
Source: NOAA National Weather Service Storm Events Database (event 41772). 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.