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Flash Flood — Delaware, PA

Aug 4, 2020

Tropical Storm Isaias brought high winds, heavy rain, several tornadoes, and coastal flooding to the mid-Atlantic region, becoming the most impactful tropical cyclone to impact most of the region since Sandy in 2012. Flash flooding as a result of heavy rain caused two direct deaths from this event...one in Lehigh County and the other in Montgomery County.

Source: NOAA National Weather Service Storm Events Database (event 899402). 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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