A weak surface trough developed over the Mid Atlantic on July 20th. This trough combined with heat and humidity allowed isolated to scattered showers and thunderstorms to form across northern and western Virginia. Some storms became severe, downing trees and power lines.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 20-JUL-08 19:50:00 to 20-JUL-08 19:50:00 (EST-5)
Location: SPRINGFIELD ESTATES
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree down near Annandale.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 20-JUL-08 19:29:00 to 20-JUL-08 19:29:00 (EST-5)
Location: LANGLEY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree down on Perry William Drive near Arlington.

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 20-JUL-08 18:50:00 to 20-JUL-08 18:50:00 (EST-5)
Location: MARSHALL
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Fauquier County Law Enforcement reported a tree down on Carters Run Road in Marshall.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 20-JUL-08 17:45:00 to 20-JUL-08 17:45:00 (EST-5)
Location: BURNING KNOLLS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Frederick County Law Enforcement reported a tree down on Route 7 at Woods Mill Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 20-JUL-08 18:38:00 to 20-JUL-08 18:38:00 (EST-5)
Location: PURCELLVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Loudoun County Emergency Management reported a tree down on Yorkshire Ridge Court.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 20-JUL-08 18:30:00 to 20-JUL-08 18:30:00 (EST-5)
Location: ROUND HILL
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Loudoun County Emergency Management reported a tree down in Round Hill.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 20-JUL-08 18:15:00 to 20-JUL-08 18:15:00 (EST-5)
Location: BLUEMONT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Loudoun County Emergency Management reported a tree down on Snickersville Pike near Round Hill.

Lightning in SHENANDOAH, VIRGINIA
From 20-JUL-08 18:00:00 to 20-JUL-08 18:00:00 (EST-5)
Location: EDINBURG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Shenandoah County Law Enforcement reported a lightning strike that caused a transformer fire on South Main Street in Edunburg.

Thunderstorm Wind in SHENANDOAH, VIRGINIA
From 20-JUL-08 18:00:00 to 20-JUL-08 18:00:00 (EST-5)
Location: OLONZAVILLE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Shenandoah County Law Enforcement reported trees down on School House Lane and Fravel Court.

Thunderstorm Wind in SHENANDOAH, VIRGINIA
From 20-JUL-08 17:52:00 to 20-JUL-08 17:52:00 (EST-5)
Location: FISHERS HILL
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Shenandoah County Law Enforcement reported power lines down on Old Valley Pike at Funk Road.

Thunderstorm Wind in SHENANDOAH, VIRGINIA
From 20-JUL-08 17:47:00 to 20-JUL-08 17:47:00 (EST-5)
Location: OLONZAVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Shenandoah County Law Enforcement reported power lines down on Alonzaville Road and Hunter Road.

Thunderstorm Wind in SHENANDOAH, VIRGINIA
From 20-JUL-08 17:42:00 to 20-JUL-08 17:42:00 (EST-5)
Location: MT OLIVE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Shenandoah County Law Enforcement reported trees down on Old Valley Pike at Millner Road.