Jun 25, 2003
A very moist and unstable airmass was in place over Iowa. South winds at the surface into the mid levels drew precipitable water values were in excess of 50 mm over the CWA with 850 mb dew point values reported at +19 degrees C. A cold front held nearly stationary during the previous few nights to the northwest of Iowa. The front began to move southeast during the day on the 25th, and moved across the state during the evening hours. Thunderstorms from the previous nights convection north and
Source: NOAA National Weather Service Storm Events Database (event 5365188). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Marion County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.