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Flash Flood — New Castle, DE

Aug 27, 2011

Hurricane Irene produced heavy flooding rain, widespread tropical storm force wind gusts, a confirmed tornado near Lewes in Sussex County, moderate to severe coastal flooding and beach erosion and caused two flooding related deaths, forced evacuations near the coast over the weekend of August 27th and 28th in Delaware. About 100,000 people were evacuated from the Atlantic Coast. Numerous roadways were flooded and closed and thousands of trees were knocked down. About 100,000 utility customers lo

Source: NOAA National Weather Service Storm Events Database (event 343042). Narrative written by NWS staff at the time of the event.

Flood Risk Context for New Castle, DE

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

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More Flood Stories

Flash Flood2 deaths$8.0M damage

New Castle, DE · Sep 16, 1999

Hurricane Floyd battered Delaware (especially New Castle County) on September 16th and brought with it torrential rains and damaging winds. The hurricane caused widespread flash flooding as storm totals averaged around nine inches, most of which fell in a twelve hour period…

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Flash Flood$16.1M damage

New Castle, DE · Sep 15, 2003

Remnant moisture from Tropical Storm Henri produced copious amounts of rain during the early morning of the 15th across northern New Castle County and hit Mill Creek Hundred in the northwest part of the county the hardest.

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Coastal Flood$2.3M damage

New Castle, DE · Oct 30, 2012

Post Tropical Storm Sandy caused an estimated $5.5 million dollars of damage across the three counties in Delaware. The damage estimates from the state were broken down to $2.8 million in New Castle County, $832,000 in Kent County and $1.9 million in Sussex County.

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Flood$600K damage

New Castle, DE · Oct 1, 2010

A series of low pressure systems that moved north along a slowly moving cold front brought heavy rain into Delaware on September 30th and October 1st. Event precipitation totals average 4 to 8 inches with the highest amounts in New Castle County.

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