Jun 26, 2014
A warm front was located to the south of Iowa during the day on the 26th. A steady flow of moisture impinged on the front through the day. Precipitable water values increased to 1.5 to 1.7 inches during the day. Very little shear was present, under 20 kts. CAPE was around 2000 J/kg with 400 J/kg of CAPE on the -10 to -30 C layer of the atmosphere. Downdraft CAPE was in the 500 to 1000 J/kg range. Thunderstorms formed in the morning over central Iowa. They continued to redevelop and train
Source: NOAA National Weather Service Storm Events Database (event 514570). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Dallas County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.