May 4, 2003
A warm front was located to the south of Iowa. Strong warm air advection was taking place over the state. Wind profilers and VAD wind profile data showed winds of 55 kts within 500 meters of the surface. A line of thunderstorms formed along the moisture gradient and lifted northeast across the state. There was a several hour period that the northeast transport of moisture was in balance with the influx of drier air from the northeast. The line of thunderstorms remained stationary and deposi
Source: NOAA National Weather Service Storm Events Database (event 5353721). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Greene County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.