A southerly flow around high pressure over the Atlantic Ocean provided a warm and moist airmass across the region. A pressure trough combined with the warm and moist conditions to trigger showers and thunderstorms. There was enough instability for some thunderstorms to produce damaging winds.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 24-APR-11 19:30:00 to 24-APR-11 19:30:00 (EST-5)
Location: POTOMAC YARD
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree six inches in diameter was down.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 24-APR-11 19:30:00 to 24-APR-11 19:30:00 (EST-5)
Location: ALEXANDRIA
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Several branches that were four inches in diameter were blown down along Polk Avenue.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 24-APR-11 19:30:00 to 24-APR-11 19:30:00 (EST-5)
Location: POTOMAC YARD
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree that was eight inches and diameter and twenty-five feet tall was blown down.

Hail in CULPEPER, VIRGINIA
From 24-APR-11 18:02:00 to 24-APR-11 18:02:00 (EST-5)
Location: CATALPA
Magnitude: 1.00 
Reported by: Public

Hail up to the size of quarters was reported along Bunker Ridge Drive.

Thunderstorm Wind in CLARKE, VIRGINIA
From 24-APR-11 14:24:00 to 24-APR-11 14:24:00 (EST-5)
Location: BOYCE
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: Trained Spotter

A tree was down at Senseny Road and Janeville Road.

Thunderstorm Wind in CLARKE, VIRGINIA
From 24-APR-11 14:26:00 to 24-APR-11 14:26:00 (EST-5)
Location: BERRYVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Fire Department/Rescue

A tree was down along the 4200 block of Harry Bird Highway.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 24-APR-11 14:55:00 to 24-APR-11 14:55:00 (EST-5)
Location: LEESBURG
Magnitude: 50.00 EG
Property damage: 0.50K
Reported by: NWS Employee

Shingle roof damage was reported at the Central Weather Service Unit in Leesburg.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 24-APR-11 15:00:00 to 24-APR-11 15:00:00 (EST-5)
Location: LEESBURG
Magnitude: 56.00 EG
Property damage: 0.50K
Reported by: NWS Employee

A softwood tree was snapped along River Creek Parkway.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 24-APR-11 15:01:00 to 24-APR-11 15:01:00 (EST-5)
Location: ASHBURN
Magnitude: 56.00 EG
Property damage: 0.50K
Reported by: NWS Employee

A tree was uprooted along Coton Farm Drive.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 24-APR-11 15:00:00 to 24-APR-11 15:00:00 (EST-5)
Location: LEESBURG
Magnitude: 56.00 EG
Property damage: 1.00K
Reported by: Public

Two trees were snapped and one softwood tree was uprooted along Hillhead Place.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 24-APR-11 15:03:00 to 24-APR-11 15:03:00 (EST-5)
Location: LEESBURG
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A small tree was uprooted and part of a fence was damaged.

Hail in ARLINGTON, VIRGINIA
From 24-APR-11 19:30:00 to 24-APR-11 19:30:00 (EST-5)
Location: SOUTH WASHINGTON
Magnitude: 1.00 
Reported by: Public

Hail up to the size of quarters was reported near Barcroft.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 24-APR-11 19:30:00 to 24-APR-11 19:30:00 (EST-5)
Location: ALEXANDRIA
Magnitude: 50.00 EG
Reported by: Trained Spotter

A wind gust was estimated around 58 mph at Alexandria.