Jul 12, 2014
A boundary extended northeast to southwest across Iowa. Moisture pooled along the boundary with precipitable water values rising to over 2 inches during the night. An MCS developed over Nebraska into western Iowa. In what was a classic Maddox |Flash Flood event, heavy rainfall of 2 to 3 inches occurred in just over an hour over Crawford County. Flowing water closed U.S. Highway 30 and some of the nearby roads. Extensive low land flooding also occurred.
Source: NOAA National Weather Service Storm Events Database (event 519080). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Crawford County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.