Aug 13, 2010
A cold front entered the state from the northwest. The atmosphere became very unstable with CAPE rising to near 5000 J/kg and lifted indices falling to around -10 C. There was strong moisture inflow ahead of a pre-frontal trough and upper level shortwave moving across the state. Thunderstorms fired over southwest Iowa by mid morning and tracked east-northeast. The atmosphere was quite warm with freezing levels near 15,000 ft. Little hail occurred with the storms. Downdraft CAPE increased t
Source: NOAA National Weather Service Storm Events Database (event 240799). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Appanoose County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.