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Flood — Marion, IA

May 7, 2007

The pattern remained much unchanged from what it was the previous day. The dynamics were a bit weaker than the previous night, but high precipitable water values remained with about 1.75 inches indicated. CAPE was a bit more limited, however the 1000 J/kg was sufficient for strong convection. The storms developed over northern Missouri and eastern Kansas, then merged over Iowa. Very heavy rain fell on already saturated ground and produced flash flooding in a few areas, and subsequently wides

Source: NOAA National Weather Service Storm Events Database (event 20718). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Marion, IA

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.

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