A warm and moist airmass remained over the region during the 27th. A surface trough provided the lifting mechanism for more showers and thunderstorms to develop. Copious amounts of instability caused some thunderstorms to become severe.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 27-MAY-11 17:40:00 to 27-MAY-11 17:40:00 (EST-5)
Location: FIVE MILE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Large limbs were snapped off small to medium-sized trees.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 27-MAY-11 17:42:00 to 27-MAY-11 17:42:00 (EST-5)
Location: FIVE MILE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Multiple three to five inch branches were down near the intersection of Castlebridge Road and Salem Run Boulevard.

Thunderstorm Wind in STAFFORD, VIRGINIA
From 27-MAY-11 17:58:00 to 27-MAY-11 17:58:00 (EST-5)
Location: STAFFORD
Magnitude: 56.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Multiple trees and power lines were down near Decatur Road.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 27-MAY-11 18:10:00 to 27-MAY-11 18:10:00 (EST-5)
Location: INDEPENDENT HILL
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Trees were down along Joplin Road south of Independent Hill.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 27-MAY-11 18:15:00 to 27-MAY-11 18:15:00 (EST-5)
Location: WOODBRIDGE ARPT
Magnitude: 56.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Several trees were down in Lake Ridge.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 27-MAY-11 18:18:00 to 27-MAY-11 18:18:00 (EST-5)
Location: ALDIE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Amateur Radio

A tree that was eight inches in diameter was down near the intersection of Routes 15 and 50.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-MAY-11 18:35:00 to 27-MAY-11 18:35:00 (EST-5)
Location: OAKTON
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Amateur Radio

A tree that was eight inches in diameter was down near the intersection of Routes 15 and 50.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-MAY-11 18:30:00 to 27-MAY-11 18:30:00 (EST-5)
Location: SIDEBURN
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Public

Several one to two inch diameter trees were down near the intersection of Coffer Woods Road and Burke Centre Parkway.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-MAY-11 18:43:00 to 27-MAY-11 18:43:00 (EST-5)
Location: FRANKLIN PARK
Magnitude: 52.00 EG
Reported by: Trained Spotter

A thunderstorm wind gust was estimated to be around 60 mph.

Thunderstorm Wind in FREDERICKSBURG (C), VIRGINIA
From 27-MAY-11 17:44:00 to 27-MAY-11 17:44:00 (EST-5)
Location: FREDERICKSBURG
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Multiple four inch limbs were down on the campus of the University of Mary Washington.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 27-MAY-11 18:00:00 to 27-MAY-11 18:00:00 (EST-5)
Location: BLOOMFIELD
Magnitude: 50.00 EG
Reported by: Trained Spotter

A tree was down on Takaro Farm Lane.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-MAY-11 18:41:00 to 27-MAY-11 18:41:00 (EST-5)
Location: CHESTERBROOK GARDENS
Magnitude: 56.00 EG
Property damage: 1.00K
Reported by: Public

Large limbs were snapped and thrown into neighboring yards by thunderstorm winds.