Low pressure both aloft and at the surface passed by to the west during the first. The warm front associated with the low moved through our region during this time. Plenty of air from the Gulf of Mexico and Atlantic Ocean ushered in copious amounts of moisture while the lift associated with the warm front was strong.
Showers and thunderstorms were able to mix down strong winds from aloft. Moderate instability also caused large hail in a few thunderstorms.

Hail in NELSON, VIRGINIA
From 01-JUN-12 13:14:00 to 01-JUN-12 13:14:00 (EST-5)
Location: MASSIES MILL
Magnitude: 1.75 
Reported by: Public

The hail report was relayed from the NSSL Shave project.

Thunderstorm Wind in NELSON, VIRGINIA
From 01-JUN-12 13:15:00 to 01-JUN-12 13:15:00 (EST-5)
Location: PINEY RIVER
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: NWS Storm Survey

Several large trees were uprooted from strong thunderstorm winds.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 01-JUN-12 13:19:00 to 01-JUN-12 13:19:00 (EST-5)
Location: LEESBURG MUNI
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: NWS Employee

Trees were blown down at the intersection of Route 7 and River Creek Parkway.

Thunderstorm Wind in CHARLOTTESVILLE (C), VIRGINIA
From 01-JUN-12 14:20:00 to 01-JUN-12 14:20:00 (EST-5)
Location: CHARLOTTESVILLE
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: 911 Call Center

A tree was blown down at Allwood Ln. and Rio Rd.

Thunderstorm Wind in FALLS CHURCH (C), VIRGINIA
From 01-JUN-12 14:27:00 to 01-JUN-12 14:27:00 (EST-5)
Location: FALLS CHURCH
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Broadcast Media

Trees were blown down at the Poplar Heights Pool.

Thunderstorm Wind in ALBEMARLE, VIRGINIA
From 01-JUN-12 14:33:00 to 01-JUN-12 14:33:00 (EST-5)
Location: GILBERT
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Department of Highways

Trees were blown down along Gilbert Station Rd.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 01-JUN-12 13:02:00 to 01-JUN-12 13:02:00 (EST-5)
Location: ALDIE
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

There was damage to outbuildings and numerous trees down along Highway 15 between Braddock and Route 50 from strong thunderstorm winds.

Thunderstorm Wind in NELSON, VIRGINIA
From 01-JUN-12 13:14:00 to 01-JUN-12 13:14:00 (EST-5)
Location: MASSIES MILL
Magnitude: 57.00 EG
Property damage: 0.50K
Reported by: NWS Storm Survey

Large tree limbs were blown down from thunderstorm winds.

Thunderstorm Wind in FALLS CHURCH (C), VIRGINIA
From 01-JUN-12 14:28:00 to 01-JUN-12 14:28:00 (EST-5)
Location: FALLS CHURCH
Magnitude: 52.00 EG
Reported by: Trained Spotter

Small branches were knocked down from strong thunderstorm winds along with pea size hail.

Thunderstorm Wind in STAFFORD, VIRGINIA
From 01-JUN-12 14:33:00 to 01-JUN-12 14:33:00 (EST-5)
Location: RECTORY
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: Emergency Manager

A tree was blown down along Widewater Road.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 01-JUN-12 14:35:00 to 01-JUN-12 14:35:00 (EST-5)
Location: CHESTERBROOK WOODS
Magnitude: 52.00 EG
Property damage: 1.50K
Reported by: Fire Department/Rescue

Trees were knocked down in the town of McLean from strong thunderstorm winds.

Thunderstorm Wind in ORANGE, VIRGINIA
From 01-JUN-12 14:40:00 to 01-JUN-12 14:40:00 (EST-5)
Location: BARBOURSVILLE
Magnitude: 50.00 EG
Property damage: 0.50K
Reported by: 911 Call Center

A small tree blown down by strong thunderstorm winds was blocking a school bus along Vineyard Rd.

Hail in NELSON, VIRGINIA
From 01-JUN-12 13:09:00 to 01-JUN-12 13:09:00 (EST-5)
Location: HOWARDSVILLE
Magnitude: 1.25 
Reported by: Public

The hail report was relayed from the NSSL Shave project.

Hail in ALBEMARLE, VIRGINIA
From 01-JUN-12 13:50:00 to 01-JUN-12 13:50:00 (EST-5)
Location: COVESVILLE
Magnitude: 1.00 
Reported by: 911 Call Center

Hail fell along Highway 29.

Hail in ORANGE, VIRGINIA
From 01-JUN-12 14:56:00 to 01-JUN-12 14:56:00 (EST-5)
Location: ORANGE
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 01-JUN-12 15:27:00 to 01-JUN-12 15:27:00 (EST-5)
Location: REMINGTON
Magnitude: 66.00 EG
Property damage: 15.00K
Reported by: Fire Department/Rescue

Damage to 6 to 12 homes off of Justin Court in Remington was reported from strong thunderstorm winds.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 01-JUN-12 16:08:00 to 01-JUN-12 16:08:00 (EST-5)
Location: BUCKHALL
Magnitude: 57.00 EG
Property damage: 0.50K
Reported by: Public

Several branches were knocked off of trees along Hillview Court.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 01-JUN-12 16:10:00 to 01-JUN-12 16:10:00 (EST-5)
Location: BUCKHALL
Magnitude: 57.00 EG
Property damage: 0.30K
Reported by: Public

Numerous branches that were about 3 inches in diameter and 10 feet wide were blown down along Ramblewood Trail.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 01-JUN-12 16:23:00 to 01-JUN-12 16:23:00 (EST-5)
Location: BURKE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Fire Department/Rescue

Trees were blown down in the town of Burke.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 01-JUN-12 16:23:00 to 01-JUN-12 16:23:00 (EST-5)
Location: BROCKROAD
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Public

Large trees were uprooted along Fawn Lake Parkway.

Thunderstorm Wind in KING GEORGE, VIRGINIA
From 01-JUN-12 18:06:00 to 01-JUN-12 18:06:00 (EST-5)
Location: BERTHAVILLE
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: 911 Call Center

A tree was blown down along Dahlgren Rd near Chotink.

Thunderstorm Wind in KING GEORGE, VIRGINIA
From 01-JUN-12 18:08:00 to 01-JUN-12 18:08:00 (EST-5)
Location: ALLNUT
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: 911 Call Center

A tree was blown down along Highway 301 near Chestnut Hill.