A strong upper-level disturbance and its associated cold front moved into Virginia on the 25th. Hot and humid conditions ahead of the front led to high amounts of instability. Showers and thunderstorms developed along and ahead of the cold front. Due to the high amounts of instability, thunderstorms were able to mix down strong winds from aloft causing significant amounts of damage across portions of Virginia.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:37:00 to 25-JUL-10 13:37:00 (EST-5)
Location: BERRYVILLE
Magnitude: 65.00 MG
Property damage: 10.00K
Reported by: Public

Trees were uprooted and large branches were snapped along Chestnut Lane.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:38:00 to 25-JUL-10 13:38:00 (EST-5)
Location: BERRYVILLE
Magnitude: 61.00 EG
Property damage: 1.50K
Reported by: Trained Spotter

A tree twelve inches in diameter was down along Route 7 just east of the Shenandoah River Bridge.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:46:00 to 25-JUL-10 13:46:00 (EST-5)
Location: HILLSBORO
Magnitude: 61.00 EG
Reported by: Public

Thunderstorm wind damage was reported by the public. The message was relayed through the broadcast media.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:29:00 to 25-JUL-10 13:29:00 (EST-5)
Location: BERRYVILLE
Magnitude: 57.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Crums Church Road at Route 7 was impassable due to large branches over the roadway.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:30:00 to 25-JUL-10 13:30:00 (EST-5)
Location: WATERLOO
Magnitude: 57.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

A tree along with power lines and branches were down along Marsh Road and Old Charles Road.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:30:00 to 25-JUL-10 13:30:00 (EST-5)
Location: SWIMLEY
Magnitude: 70.00 EG
Property damage: 5.00K
Reported by: Amateur Radio

Numerous trees were down along roadways in the vicinity of Route 340.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:31:00 to 25-JUL-10 13:31:00 (EST-5)
Location: WATERLOO
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Three Hardwood trees were uprooted by thunderstorm winds.

Thunderstorm Wind in WARREN, VIRGINIA
From 25-JUL-10 13:46:00 to 25-JUL-10 13:46:00 (EST-5)
Location: FRONT ROYAL
Magnitude: 50.00 MG
Reported by: Mesonet

A wind gust of 58 mph was measured near Front Royal.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:47:00 to 25-JUL-10 13:47:00 (EST-5)
Location: PURCELLVILLE
Magnitude: 57.00 EG
Property damage: 15.00K
Reported by: Fire Department/Rescue

There were at least thirty-five reports of large trees down throughout the Purcellville.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:50:00 to 25-JUL-10 13:50:00 (EST-5)
Location: HAMILTON
Magnitude: 57.00 EG
Property damage: 15.00K
Reported by: Fire Department/Rescue

There were at least thirty trees down across Hamilton.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:53:00 to 25-JUL-10 13:53:00 (EST-5)
Location: CLARKES GAP
Magnitude: 65.00 EG
Property damage: 15.00K
Reported by: Fire Department/Rescue

A tree that was five feet in diameter fell into and damaged a house on Dry Mill Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:53:00 to 25-JUL-10 13:53:00 (EST-5)
Location: RAEONIAN SPGS
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: NWS Employee

Numerous trees and branches were down along the Washington and Old Dominion Trail.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:26:00 to 25-JUL-10 13:26:00 (EST-5)
Location: BURNING KNOLLS
Magnitude: 61.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

One tree and several large branches were down along Valley Mill road and Berryville Pike.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:25:00 to 25-JUL-10 13:25:00 (EST-5)
Location: BURNING KNOLLS
Magnitude: 57.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

Several large branches were down. One branch fell on a vehicle at the Valley Mills Estates.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:28:00 to 25-JUL-10 13:28:00 (EST-5)
Location: BERRYVILLE
Magnitude: 61.00 EG
Property damage: 4.00K
Reported by: Trained Spotter

Two large trees were down along Route 7 along with numerous large branches.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:28:00 to 25-JUL-10 13:28:00 (EST-5)
Location: CLEAR BROOK
Magnitude: 70.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Two big Walnut Trees were uprooted along Shady Creek Road.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:28:00 to 25-JUL-10 13:28:00 (EST-5)
Location: BERRYVILLE
Magnitude: 70.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

A Maple Tree was snapped at the base resulting in property damage near Stringtown.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:14:00 to 25-JUL-10 13:14:00 (EST-5)
Location: HAYFIELD
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

There was minor damage to shingles on a roof along Hayfield Road.

Thunderstorm Wind in WINCHESTER (C), VIRGINIA
From 25-JUL-10 13:20:00 to 25-JUL-10 13:20:00 (EST-5)
Location: WINCHESTER
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Large branches were down along Opequon Avenue.

Thunderstorm Wind in WINCHESTER (C), VIRGINIA
From 25-JUL-10 13:20:00 to 25-JUL-10 13:20:00 (EST-5)
Location: WINCHESTER
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

Numerous trees and power lines were down. Portions of Interstate 81 were not passable due to the downed trees and power lines.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:21:00 to 25-JUL-10 13:21:00 (EST-5)
Location: ALBIN
Magnitude: 61.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Numerous large branches were down along with the main stem of a large tree.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:08:00 to 25-JUL-10 14:08:00 (EST-5)
Location: BROAD RUN FARMS
Magnitude: 61.00 EG
Property damage: 1.50K
Reported by: NWS Employee

A large Sycamore tree was uprooted near the Potomac River.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:09:00 to 25-JUL-10 14:09:00 (EST-5)
Location: STERLING
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Trees were down in the Gable Square community.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:23:00 to 25-JUL-10 13:23:00 (EST-5)
Location: STEPHENS CITY
Magnitude: 55.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Large branches were down near Stephens City.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:10:00 to 25-JUL-10 14:10:00 (EST-5)
Location: STERLING
Magnitude: 61.00 EG
Reported by: Law Enforcement

A large tree fell onto a child walking in Claude Moore Park. The child was pronounced dead at 3:45 PM EDT.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:12:00 to 25-JUL-10 14:12:00 (EST-5)
Location: STERLING
Magnitude: 61.00 EG
Property damage: 7.00K
Reported by: Trained Spotter

Several large trees were down near Sterling Park.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:14:00 to 25-JUL-10 14:14:00 (EST-5)
Location: BROAD RUN FARMS
Magnitude: 50.00 MG
Reported by: Mesonet

A wind gust of 58 mph was measured near Sterling Park.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 25-JUL-10 14:13:00 to 25-JUL-10 14:13:00 (EST-5)
Location: RESTON
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Several branches were down along Route 7. Some of the branches were ten inches in diameter.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 25-JUL-10 14:14:00 to 25-JUL-10 14:14:00 (EST-5)
Location: HERNDON
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: NWS Employee

A large Oak Tree was blown down near Herndon. Large limbs were also down around the neighborhood at Monroe and 2nd Street.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:56:00 to 25-JUL-10 13:56:00 (EST-5)
Location: LEESBURG
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Numerous trees and branches were Exeter subdivision.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:02:00 to 25-JUL-10 14:02:00 (EST-5)
Location: BELMONT
Magnitude: 61.00 EG
Property damage: 7.00K
Reported by: Trained Spotter

Four Bradford Pear trees and several trees that were ten inches in diameter were down due to thunderstorm winds.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 25-JUL-10 14:19:00 to 25-JUL-10 14:19:00 (EST-5)
Location: SUNSET HILLS
Magnitude: 65.00 MG
Reported by: Mesonet

A wind gust of 75 mph was reported near Reston.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 25-JUL-10 14:28:00 to 25-JUL-10 14:28:00 (EST-5)
Location: BELVEDERE
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: Mesonet

A tree fell and knocked power lines down along Beechtree Lane at Annandale Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:02:00 to 25-JUL-10 14:02:00 (EST-5)
Location: BELMONT
Magnitude: 61.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Two mature Maple trees were snapped at the intersection of Claiborne Parkway and Crossroads Drive.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:02:00 to 25-JUL-10 14:02:00 (EST-5)
Location: BELMONT
Magnitude: 61.00 EG
Property damage: 15.00K
Reported by: Broadcast Media

About twenty-five trees were down in the area of Hay Road and Belmont Ridge Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:03:00 to 25-JUL-10 14:03:00 (EST-5)
Location: ASHBURN
Magnitude: 61.00 EG
Reported by: Trained Spotter

A trained spotter estimated thunderstorm wind gusts of 70 mph.

Thunderstorm Wind in CLARKE, VIRGINIA
From 25-JUL-10 13:28:00 to 25-JUL-10 13:28:00 (EST-5)
Location: BERRYVILLE
Magnitude: 57.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Crums Church Road at Route 7 was impassable due to large branches over the roadway.

Thunderstorm Wind in WARREN, VIRGINIA
From 25-JUL-10 13:39:00 to 25-JUL-10 13:39:00 (EST-5)
Location: ROCKLAND
Magnitude: 57.00 EG
Property damage: 10.00K
Reported by: Fire Department/Rescue

Numerous trees were down throughout the northern half of Warren County.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:10:00 to 25-JUL-10 14:10:00 (EST-5)
Location: STERLING
Magnitude: 57.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

NA tree was down at the intersection of Lincoln Avenue and East Holley Avenue. Several small limbs were also down in this area.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:08:00 to 25-JUL-10 14:08:00 (EST-5)
Location: STERLING
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Amateur Radio

Numerous trees were down along Sterling Boulevard and East Staunton Avenue.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 13:52:00 to 25-JUL-10 13:52:00 (EST-5)
Location: WATERFORD
Magnitude: 65.00 EG
Property damage: 3.00K
Reported by: Fire Department/Rescue

Power lines were down and a pine tree was snapped along Loyalty Road near Clover Hill Road.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 25-JUL-10 13:24:00 to 25-JUL-10 13:24:00 (EST-5)
Location: WHITE HALL
Magnitude: 61.00 EG
Property damage: 15.00K
Reported by: Trained Spotter

Several large trees were down on vehicles along Apple Pie Ridge Road.

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 25-JUL-10 14:07:00 to 25-JUL-10 14:07:00 (EST-5)
Location: BELVOIR
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: NWS Employee

Branches and limbs were blown down in 60 mph winds.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 25-JUL-10 14:10:00 to 25-JUL-10 14:10:00 (EST-5)
Location: BROAD RUN FARMS
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

A tree fell onto Broad Run Farms. Siding was blown off of an apartment in Ashburn Village and a light pole was blown down on Sugarland Run Road.