A cold front moved south through the region. Southerly flow ahead of the front led to an unstable air mass, which combined with steepening mid level lapse rates and increased sheer led to numerous severe thunderstorms being triggered right ahead of the front.

Hail in LOUDOUN, VIRGINIA
From 23-JUN-15 17:30:00 to 23-JUN-15 17:30:00 (EST-5)
Location: ASHBURN
Magnitude: 1.00 
Reported by: Public

Reported at the Lansdowne Golf Club. A tree was also reported down on the North Course.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 23-JUN-15 17:15:00 to 23-JUN-15 17:15:00 (EST-5)
Location: PURCELLVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Public

Multiple trees and wires were reported down.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 23-JUN-15 16:34:00 to 23-JUN-15 16:34:00 (EST-5)
Location: GAINESBORO
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down at 1600 Siler Rd.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 23-JUN-15 16:38:00 to 23-JUN-15 16:38:00 (EST-5)
Location: GREEN SPG
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down between Green Spring and Estate Dr.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 23-JUN-15 18:34:00 to 23-JUN-15 18:34:00 (EST-5)
Location: ALEXANDRIA
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Newspaper

A tree was reported down on George Washington Parkway at Slaters Lane.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 18:22:00 to 23-JUN-15 18:22:00 (EST-5)
Location: FAIRFAX PARK
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Several trees were reported down on homes.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 23-JUN-15 18:31:00 to 23-JUN-15 18:31:00 (EST-5)
Location: POTOMAC YARD
Magnitude: 52.00 EG
Reported by: Trained Spotter

Multiple large tree limbs were reported down.

Thunderstorm Wind in KING GEORGE, VIRGINIA
From 23-JUN-15 20:03:00 to 23-JUN-15 20:03:00 (EST-5)
Location: GOBY
Magnitude: 60.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Two trees were reported down along Caledon Rd between Fairview Dr and Chapel Way.

Hail in LOUDOUN, VIRGINIA
From 23-JUN-15 17:28:00 to 23-JUN-15 17:28:00 (EST-5)
Location: LEESBURG
Magnitude: 1.00 
Reported by: NWS Employee

Hail in LOUDOUN, VIRGINIA
From 23-JUN-15 17:31:00 to 23-JUN-15 17:31:00 (EST-5)
Location: ASHBURN
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 17:48:00 to 23-JUN-15 17:48:00 (EST-5)
Location: FRANKLIN PARK
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was reported down on George Washington Parkway just south of VA Route 123.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 17:42:00 to 23-JUN-15 17:42:00 (EST-5)
Location: SUNSET HILLS
Magnitude: 52.00 EG
Reported by: Trained Spotter

Multiple large trees snapped and fell over on the east side of Lake Anne.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 18:19:00 to 23-JUN-15 18:19:00 (EST-5)
Location: BURKE
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Several trees fell onto homes. Reported by Fairfax OEM.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 23-JUN-15 18:21:00 to 23-JUN-15 18:21:00 (EST-5)
Location: WEST GATE OF LOMOND
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Public

Lots of trees were reported down across the immediate area.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 23-JUN-15 18:07:00 to 23-JUN-15 18:07:00 (EST-5)
Location: WELLINGTON
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: NWS Employee

A large tree was reported blocking Hwy 29 about one mile west of the intersection with Sudley Rd.

Thunderstorm Wind in KING GEORGE, VIRGINIA
From 23-JUN-15 20:10:00 to 23-JUN-15 20:10:00 (EST-5)
Location: AMBAR
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Two trees were reported down along Caledon Rd between Indiantown Rd and Gensing Lane.

Thunderstorm Wind in KING GEORGE, VIRGINIA
From 23-JUN-15 20:36:00 to 23-JUN-15 20:36:00 (EST-5)
Location: EDGEHILL
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Three trees were reported down on Pine Hill Rd.

Thunderstorm Wind in ALEXANDRIA (C), VIRGINIA
From 23-JUN-15 18:31:00 to 23-JUN-15 18:31:00 (EST-5)
Location: ALEXANDRIA
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Broadcast Media

Several trees were reported down around Old Town Alexandria.

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 23-JUN-15 18:39:00 to 23-JUN-15 18:39:00 (EST-5)
Location: SOWEGO
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Multiple trees were reported down near Brent Town Rd and Kacy Court.

Thunderstorm Wind in STAFFORD, VIRGINIA
From 23-JUN-15 18:49:00 to 23-JUN-15 18:49:00 (EST-5)
Location: GARRISONVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

Five reports of trees down in the Garrisonville area.

Thunderstorm Wind in FAUQUIER, VIRGINIA
From 23-JUN-15 17:57:00 to 23-JUN-15 17:57:00 (EST-5)
Location: AUBURN
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree was reported down at the intersection of Route 604 and Woodlawn Rd.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 23-JUN-15 18:21:00 to 23-JUN-15 18:21:00 (EST-5)
Location: WOODBRIDGE ARPT
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Newspaper

A tree was reported down on a home at Veronica Lane in Lake Ridge.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 18:17:00 to 23-JUN-15 18:17:00 (EST-5)
Location: CLIFTON
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Department of Highways

A large tree was reported down on Clifton Rd.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 18:17:00 to 23-JUN-15 18:17:00 (EST-5)
Location: FAIRFAX STATION
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

Multiple power lines were reported down on Braddock Rd at Ox Rd.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 23-JUN-15 18:17:00 to 23-JUN-15 18:17:00 (EST-5)
Location: LEGATO
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was reported down at the intersection of Jaguar Trail and Willow Point Dr.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 23-JUN-15 16:42:00 to 23-JUN-15 16:42:00 (EST-5)
Location: HILLSBORO
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: NWS Employee

Multiple trees were reported down along Route 9.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 23-JUN-15 17:30:00 to 23-JUN-15 17:30:00 (EST-5)
Location: ASHBURN
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Public

A tree was reported down on the North Course of Lansdowne Golf Club.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 23-JUN-15 16:29:00 to 23-JUN-15 16:29:00 (EST-5)
Location: WHITACRE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: State Official

A tree was reported down at North Frederick Pike and Bloomery Pike.