A cold front approached the region on July 27th as a strong upper level low pressure system remained over the northeast. Warm and humid air at the surface interacted with cooler air aloft to produce scattered to numerous showers and thunderstorms during the afternoon hours. Many of the storms became severe, producing damaging winds that downed trees and power lines. Large hail to the size of quarters was also reported.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:55:00 to 27-JUL-08 12:55:00 (EST-5)
Location: POHICK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree down at the intersection of Gunston Road and Old Colchester Road.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:15:00 to 27-JUL-08 12:15:00 (EST-5)
Location: JOHNSONS CORNER
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported 3 people were injured when a tent collapsed at Bull Run Regional Park.

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 27-JUL-08 12:53:00 to 27-JUL-08 12:53:00 (EST-5)
Location: DUDIE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fauquier County Fire and Rescue reported a tree down at Wilson Road and Old Waterloo Road.

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 27-JUL-08 12:58:00 to 27-JUL-08 12:58:00 (EST-5)
Location: DUDIE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Fauquier County Fire and Rescue reported a tree down at Cannonball Gate and Pond Lane.

Lightning in FAIRFAX, VIRGINIA
From 27-JUL-08 12:30:00 to 27-JUL-08 12:30:00 (EST-5)
Location: FAIRFAX STATION
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported a chimney was damaged by a lightning strike. Part of the chimney broke off, falling onto a gas meter and causing a small gas leak.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:10:00 to 27-JUL-08 12:10:00 (EST-5)
Location: BULL RUN
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree fell on a car on Rydell Road.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:14:00 to 27-JUL-08 12:14:00 (EST-5)
Location: BULL RUN
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Bull Run Elementary School measured a wind gust of 58 MPH.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:31:00 to 27-JUL-08 12:31:00 (EST-5)
Location: CLIFTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree down at the intersection of Henderson Road and Old Yates Ford Road.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:46:00 to 27-JUL-08 12:46:00 (EST-5)
Location: FAIRFAX PARK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree down at the intersection of Hillside Road and Moverly Court.

Hail in FAIRFAX, VIRGINIA
From 27-JUL-08 12:20:00 to 27-JUL-08 12:20:00 (EST-5)
Location: CENTREVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator reported quarter-size hail at the intersection of Interstate 66 and Route 28.

Hail in FAIRFAX, VIRGINIA
From 27-JUL-08 12:34:00 to 27-JUL-08 12:34:00 (EST-5)
Location: BURKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported hail to the size of pennies.

Hail in FAIRFAX, VIRGINIA
From 27-JUL-08 12:53:00 to 27-JUL-08 12:53:00 (EST-5)
Location: LORTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail to the size of pennies was reported in Lorton.

Hail in FAIRFAX, VIRGINIA
From 27-JUL-08 12:55:00 to 27-JUL-08 12:55:00 (EST-5)
Location: FAIRFAX PARK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported hail to the size of pennies.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:42:00 to 27-JUL-08 12:42:00 (EST-5)
Location: POHICK 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 at the intersection of Rolling Road and Richfield Road.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 27-JUL-08 13:10:00 to 27-JUL-08 13:10:00 (EST-5)
Location: ALSOP
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Spotsylvania County Emergency Management reported numerous trees and power lines downed on Robert E. Lee Drive.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:48:00 to 27-JUL-08 12:48:00 (EST-5)
Location: BAILEYS XRDS
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Fairfax County Emergency Management reported a tree down at the intersection of Munson Hill Road and Glen Carlyn Road.

Hail in LOUDOUN, VIRGINIA
From 27-JUL-08 12:13:00 to 27-JUL-08 12:14:00 (EST-5)
Location: ASHBURN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

An NWS Employee reported hail to the size of quarters in Ashburn.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 27-JUL-08 12:42:00 to 27-JUL-08 12:42:00 (EST-5)
Location: POHICK 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 at the intersection of Rolling Road and Fullerton Road.

Hail in SPOTSYLVANIA, VIRGINIA
From 27-JUL-08 12:48:00 to 27-JUL-08 12:48:00 (EST-5)
Location: WILDERNESS CORNER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Spotsylvania Fire and Rescue reported hail to the size of pennies.