A warm front helped trigger several strong to severe thunderstorms across New Castle County during the early afternoon of the 9th. More than two dozen roads were closed by downed trees including the northbound lanes of Interstate 95. A few homes were condemned after being struck by fallen trees and the American Red Cross helped twenty-two adults and thirteen children find shelter. About 19,000 Delmarva Power customers lost power and power was not fully restored until the afternoon of the 10th. About forty poles were snapped across the county. The greatest concentration of outages were in Greenville, Hockessin, Talleyville and Walnut Ridge.

Thunderstorm Wind in NEW CASTLE, DELAWARE
From 09-AUG-11 11:40:00 to 09-AUG-11 11:45:00 (EST-5)
Location: CHALFONTE
Magnitude: 52.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A severe thunderstorm knocked down several trees north of Wilmington in Brandywine Hundred. A downed tree so badly damaged a home on Garfield Avenue in the Claymont area that it was condemned.

Funnel Cloud in NEW CASTLE, DELAWARE
From 09-AUG-11 11:37:00 to 09-AUG-11 11:37:00 (EST-5)
Location: LANCASTER VLG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A funnel cloud was sighted over Wilmington, but did not touch down.

Hail in NEW CASTLE, DELAWARE
From 09-AUG-11 11:45:00 to 09-AUG-11 11:45:00 (EST-5)
Location: WILMINGTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail fell from a severe thunderstorm in Wilmington.

Thunderstorm Wind in NEW CASTLE, DELAWARE
From 09-AUG-11 11:30:00 to 09-AUG-11 11:30:00 (EST-5)
Location: BRANDYWINE SPGS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm knocked down a few trees in Stanton (Mill Creek Hundred) north of Kirkwood Highway and east of Limestone Road.

Thunderstorm Wind in NEW CASTLE, DELAWARE
From 09-AUG-11 11:30:00 to 09-AUG-11 11:30:00 (EST-5)
Location: ELSMERE JCT
Magnitude: 52.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A severe thunderstorm knocked down a couple of trees in Elsmere.

Thunderstorm Wind in NEW CASTLE, DELAWARE
From 09-AUG-11 11:22:00 to 09-AUG-11 11:25:00 (EST-5)
Location: HOCKESSIN
Magnitude: 52.00 EG
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm knocked down numerous trees in the Hockessin, Coffee Run, Westminster, Canterbury Hills and Bella Vista areas of Mill Creek Hundred. A couple of homes and vehicles were damaged by the fallen trees. In the Westmister Development, old, massive trees were knocked down. Three homes on Ambleside Drive were so badly damaged by fallen trees that they were condemned. One garage with three Cadillacs within it was crushed on the same street. In Canterbury Hills, about fifty trees alone were knocked down and caused minor damage to homes.

Thunderstorm Wind in NEW CASTLE, DELAWARE
From 09-AUG-11 11:43:00 to 09-AUG-11 11:45:00 (EST-5)
Location: LANCASTER VLG
Magnitude: 52.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

A severe thunderstorm tore the entire roof off a home on North Harrison Street in Wilmington. About a dozen trees were knocked down throughout the city. Five or six telephone poles were knocked down on Lancaster Avenue and one tree fell onto the northbound lanes of Interstate 95.

Hail in NEW CASTLE, DELAWARE
From 09-AUG-11 11:44:00 to 09-AUG-11 11:44:00 (EST-5)
Location: CLAYMONT
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Half dollar size hail fell from a severe thunderstorm in Brandywine Hundred.

Hail in NEW CASTLE, DELAWARE
From 09-AUG-11 11:45:00 to 09-AUG-11 11:45:00 (EST-5)
Location: BEAR
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail fell from a severe thunderstorm in Bear (New Castle Hundred).