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Flash Flood — Delaware, PA

Aug 1, 2004

Slow moving thunderstorms with torrential downpours caused flash flooding of streams as well as widespread poor drainage flooding in eastern Delaware County. Doppler Radar storm total estimates reached between 5 and 6 inches. Hardest hit were Haverford and Upper Darby Townships as well as Darby Borough. States of emergencies were declared in Darby and Upper Darby. About 660 residents were evacuated from the three municipalities. One hundred forty-two homes, seventy-seven apartments and sixty-nin

Source: NOAA National Weather Service Storm Events Database (event 5421758). Narrative written by NWS staff at the time of the event.

Flood Risk Context for Delaware, PA

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

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