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Flash Flood — Madison, IA

Jul 19, 2016

A complex of storms worked their way across Nebraska overnight on the 18th into the 19th, eventually making their way into Iowa. As those elevated storms approached the central third of Iowa, the linear storms began to backbuild and with increasing convection behind them in association with ongoing warm air advection. Through the morning hours ample lightning was associated with the storms along with heavy rainfall around 3 inches in the Fort Dodge area and 4 to 6 inches in the Des Moines area.

Source: NOAA National Weather Service Storm Events Database (event 647475). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Madison, IA

This event is one of many recorded floods in Madison County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.

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