May 11, 2014
Low pressure over Kansas moved northeast during the afternoon of the 11th into the morning of the 12th. By dawn on the 12th, the low was over northeast Kansas. A cold frontal boundary extended northeast from the low into northwest Iowa. The atmosphere became unstable and was strongly sheared. CAPE had increased to around 3000 J/kg by the late afternoon. Downdraft CAPE was in the 800 to 1200 J/kg range with available CAPE in the -10 to -30 C layer of the atmosphere around 600 J/kg. The lift
Source: NOAA National Weather Service Storm Events Database (event 505891). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Cass County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.