Low pressure passed through the area on the 14th. The low tracked along a boundary that separated warm and humid air to the south and west from cooler marine air to the north and east. The warm and humid air led to an unstable atmosphere, and there was enough instability for storms to become severe.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 14-MAY-18 17:53:00 to 14-MAY-18 17:53:00 (EST-5)
Location: CHANCELLOR
Magnitude: 52.00 EG
Reported by: Broadcast Media

Multiple trees and wires were down along Gordon Road near Smith Station Road.

Thunderstorm Wind in FREDERICKSBURG (C), VIRGINIA
From 14-MAY-18 18:00:00 to 14-MAY-18 18:00:00 (EST-5)
Location: DBL TOLLGATE
Magnitude: 50.00 EG
Reported by: 911 Call Center

A large tree limb was down blocking the 700 Block of Maury Street.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-MAY-18 18:00:00 to 14-MAY-18 18:00:00 (EST-5)
Location: LANGLEY
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree fell onto a car along the George Washington Parkway near the Beltway.

Thunderstorm Wind in KING GEORGE, VIRGINIA
From 14-MAY-18 18:28:00 to 14-MAY-18 18:28:00 (EST-5)
Location: INDEX
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down along the 14000 Block of Salem Church Road.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-MAY-18 17:30:00 to 14-MAY-18 17:30:00 (EST-5)
Location: HERNDON
Magnitude: 50.00 EG
Reported by: Trained Spotter

A tree was down on Popular Drive near the Fairfax County Parkway.

Thunderstorm Wind in MANASSAS (C), VIRGINIA
From 14-MAY-18 17:20:00 to 14-MAY-18 17:20:00 (EST-5)
Location: MANASSAS
Magnitude: 55.00 MG
Reported by: AWOS

A wind gust of 63 mph was measured at the Manassas Airport.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-MAY-18 17:38:00 to 14-MAY-18 17:38:00 (EST-5)
Location: DULLES INTL ARPT
Magnitude: 50.00 MG
Reported by: ASOS

A wind gust of 58 mph was reported at Dulles Airport.

Thunderstorm Wind in ORANGE, VIRGINIA
From 14-MAY-18 17:30:00 to 14-MAY-18 17:30:00 (EST-5)
Location: MADISON RUN
Magnitude: 50.00 EG
Reported by: Trained Spotter

A tree was down in the yard.

Thunderstorm Wind in PAGE, VIRGINIA
From 14-MAY-18 15:55:00 to 14-MAY-18 15:55:00 (EST-5)
Location: LURAY
Magnitude: 52.00 EG
Reported by: Trained Spotter

Several trees were down in Luray and siding was stripped from a home.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 14-MAY-18 16:05:00 to 14-MAY-18 16:05:00 (EST-5)
Location: GORE
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Carpers Pike and Northwestern Pike.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 14-MAY-18 16:15:00 to 14-MAY-18 16:15:00 (EST-5)
Location: MT PLEASANT
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down along the 2400 Block of Wardensville Grade.

Thunderstorm Wind in ROCKINGHAM, VIRGINIA
From 14-MAY-18 16:25:00 to 14-MAY-18 16:25:00 (EST-5)
Location: BOX CREEK
Magnitude: 50.00 EG
Reported by: 911 Call Center

Multiple trees were down along Hopkins Gap Road.

Thunderstorm Wind in FREDERICK, VIRGINIA
From 14-MAY-18 16:28:00 to 14-MAY-18 16:28:00 (EST-5)
Location: STEPHENS CITY
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Tasker Road and Lakeside Drive.

Thunderstorm Wind in CLARKE, VIRGINIA
From 14-MAY-18 16:30:00 to 14-MAY-18 16:30:00 (EST-5)
Location: BOYCE
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Janeville Road and Senseny Road.

Thunderstorm Wind in SHENANDOAH, VIRGINIA
From 14-MAY-18 16:12:00 to 14-MAY-18 16:12:00 (EST-5)
Location: CONICVILLE
Magnitude: 50.00 EG
Reported by: 911 Call Center

Multiple trees were down shutting down Route 42 near Conicville.

Thunderstorm Wind in ROCKINGHAM, VIRGINIA
From 14-MAY-18 16:38:00 to 14-MAY-18 16:38:00 (EST-5)
Location: MT CLINTON
Magnitude: 52.00 EG
Reported by: 911 Call Center

Numerous trees and wires were down along Singers Glen Road.

Thunderstorm Wind in ROCKINGHAM, VIRGINIA
From 14-MAY-18 16:40:00 to 14-MAY-18 16:40:00 (EST-5)
Location: LINVILLE
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Gravels Road and Irish Path.

Thunderstorm Wind in WARREN, VIRGINIA
From 14-MAY-18 16:45:00 to 14-MAY-18 16:45:00 (EST-5)
Location: HAPPY CREEK
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was down at Route 55 and High Knob Road and another tree was down on power lines just north of that intersection.

Thunderstorm Wind in PAGE, VIRGINIA
From 14-MAY-18 16:48:00 to 14-MAY-18 16:48:00 (EST-5)
Location: MARKSVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was uprooted and siding was blown off a home.

Thunderstorm Wind in AUGUSTA, VIRGINIA
From 14-MAY-18 16:55:00 to 14-MAY-18 16:55:00 (EST-5)
Location: FT DEFIANCE
Magnitude: 50.00 EG
Reported by: Broadcast Media

A tree was down in Mount Sidney.

Thunderstorm Wind in STAUNTON (C), VIRGINIA
From 14-MAY-18 16:55:00 to 14-MAY-18 16:55:00 (EST-5)
Location: STAUNTON
Magnitude: 52.00 EG
Reported by: Emergency Manager

Multiple trees were down at Sadley Road and Lee Highway.

Thunderstorm Wind in MADISON, VIRGINIA
From 14-MAY-18 17:03:00 to 14-MAY-18 17:03:00 (EST-5)
Location: BAUCO
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree fell onto N. Blue Ridge Turnpike.

Thunderstorm Wind in ROCKINGHAM, VIRGINIA
From 14-MAY-18 16:55:00 to 14-MAY-18 16:55:00 (EST-5)
Location: GROTTOES
Magnitude: 52.00 EG
Reported by: 911 Call Center

Multiple trees were down along Browns Gap Road.

Thunderstorm Wind in MADISON, VIRGINIA
From 14-MAY-18 17:02:00 to 14-MAY-18 17:02:00 (EST-5)
Location: CRIGLERSVILLE
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree fell into a home.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-MAY-18 16:40:00 to 14-MAY-18 16:40:00 (EST-5)
Location: ROUND HILL
Magnitude: 50.00 EG
Reported by: Amateur Radio

Two trees were down on Route 7.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 14-MAY-18 17:07:00 to 14-MAY-18 17:07:00 (EST-5)
Location: BUCKLAND
Magnitude: 50.00 EG
Reported by: Emergency Manager

Two trees were down at US 15 and US 29.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 14-MAY-18 17:07:00 to 14-MAY-18 17:07:00 (EST-5)
Location: WATERFALL
Magnitude: 50.00 EG
Reported by: Public

Many large trees were uprooted and snapped in communities around Waterfall Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-MAY-18 17:10:00 to 14-MAY-18 17:10:00 (EST-5)
Location: HILLSBORO
Magnitude: 50.00 EG
Reported by: Trained Spotter

Three trees were down along with a damaged fence.

Thunderstorm Wind in MANASSAS (C), VIRGINIA
From 14-MAY-18 17:20:00 to 14-MAY-18 17:20:00 (EST-5)
Location: MANASSAS
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was down along Leland and Route 28.

Thunderstorm Wind in MADISON, VIRGINIA
From 14-MAY-18 17:22:00 to 14-MAY-18 17:22:00 (EST-5)
Location: UNO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

A tree fell onto the S. Blue Ridge Turnpike.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 14-MAY-18 17:18:00 to 14-MAY-18 17:18:00 (EST-5)
Location: LIMSTRONG
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree fell into a home.

Thunderstorm Wind in GREENE, VIRGINIA
From 14-MAY-18 17:20:00 to 14-MAY-18 17:20:00 (EST-5)
Location: RUCKERSVILLE
Magnitude: 50.00 EG
Reported by: Law Enforcement

A tree was down along Neil Court blocking the roadway.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-MAY-18 17:30:00 to 14-MAY-18 17:30:00 (EST-5)
Location: SUNSET HILLS
Magnitude: 50.00 EG
Reported by: Broadcast Media

Trees were down along Glade Drive and Soapstone Drive.

Thunderstorm Wind in ORANGE, VIRGINIA
From 14-MAY-18 17:39:00 to 14-MAY-18 17:39:00 (EST-5)
Location: WILDERNESS
Magnitude: 52.00 EG
Reported by: Public

Multiple trees were down in the Lake of the Woods Community.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-MAY-18 17:30:00 to 14-MAY-18 17:30:00 (EST-5)
Location: KENMORE
Magnitude: 50.00 EG
Reported by: Law Enforcement

Eastbound lanes of Leesburg Pike were closed at Beulah Road due to trees on the roadway.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-MAY-18 17:50:00 to 14-MAY-18 17:50:00 (EST-5)
Location: DUNN LORING
Magnitude: 50.00 EG
Reported by: Public

Windows were blown out of an apartment building near Dunn Loring Metro.

Hail in AUGUSTA, VIRGINIA
From 14-MAY-18 13:26:00 to 14-MAY-18 13:26:00 (EST-5)
Location: VERONA
Magnitude: 1.00 
Reported by: Public

Quarter sized hail was reported.

Hail in ALBEMARLE, VIRGINIA
From 14-MAY-18 14:05:00 to 14-MAY-18 14:05:00 (EST-5)
Location: ADVANCE MILLS
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail was reported.

Hail in GREENE, VIRGINIA
From 14-MAY-18 14:21:00 to 14-MAY-18 14:21:00 (EST-5)
Location: QUINQUE
Magnitude: 1.00 
Reported by: Law Enforcement

Quarter sized hail was reported.

Hail in NELSON, VIRGINIA
From 14-MAY-18 14:50:00 to 14-MAY-18 14:50:00 (EST-5)
Location: AVON
Magnitude: 1.75 
Reported by: Trained Spotter

Golf ball sized hail was reported.

Hail in FAIRFAX, VIRGINIA
From 14-MAY-18 17:35:00 to 14-MAY-18 17:35:00 (EST-5)
Location: SUNSET HILLS
Magnitude: 1.75 
Reported by: NWS Employee

Golf ball sized hail was reported.

Hail in NELSON, VIRGINIA
From 14-MAY-18 18:00:00 to 14-MAY-18 18:00:00 (EST-5)
Location: LOVINGSTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Quarter sized hail was reported near Lovingston.

Thunderstorm Wind in AUGUSTA, VIRGINIA
From 14-MAY-18 13:25:00 to 14-MAY-18 13:25:00 (EST-5)
Location: VERONA
Magnitude: 50.00 EG
Reported by: Broadcast Media

A tree limb was down and siding damage was reported to a home.

Thunderstorm Wind in HARRISONBURG (C), VIRGINIA
From 14-MAY-18 13:30:00 to 14-MAY-18 13:30:00 (EST-5)
Location: HARRISONBURG
Magnitude: 50.00 EG
Reported by: Broadcast Media

A bank roof was damaged.

Thunderstorm Wind in MADISON, VIRGINIA
From 14-MAY-18 14:05:00 to 14-MAY-18 14:05:00 (EST-5)
Location: WOLFTOWN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down on Shelby and Wolftown Hood Road.

Thunderstorm Wind in GREENE, VIRGINIA
From 14-MAY-18 14:17:00 to 14-MAY-18 14:17:00 (EST-5)
Location: RUCKERSVILLE
Magnitude: 50.00 EG
Reported by: Law Enforcement

A tree was down blocking the roadway at Dairy Road and the Seminole Trail.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-MAY-18 16:40:00 to 14-MAY-18 16:40:00 (EST-5)
Location: HILLSBORO
Magnitude: 50.00 EG
Reported by: Public

Multiple trees were down at a residency on Cider Mill Road.

Thunderstorm Wind in PRINCE WILLIAM, VIRGINIA
From 14-MAY-18 17:15:00 to 14-MAY-18 17:15:00 (EST-5)
Location: YORKSHIRE
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was down.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 14-MAY-18 17:55:00 to 14-MAY-18 17:55:00 (EST-5)
Location: SPOTSYLVANIA
Magnitude: 50.00 EG
Reported by: Trained Spotter

Trees were down along Old Battlefield Road.

Thunderstorm Wind in AUGUSTA, VIRGINIA
From 14-MAY-18 13:30:00 to 14-MAY-18 13:30:00 (EST-5)
Location: VERONA
Magnitude: 50.00 EG
Reported by: Broadcast Media

A camper was blown over. Several sheds were rolled.

Thunderstorm Wind in SPOTSYLVANIA, VIRGINIA
From 14-MAY-18 17:55:00 to 14-MAY-18 17:55:00 (EST-5)
Location: FIVE MILE
Magnitude: 50.00 EG
Reported by: Public

A downed tree was near the intersection of Harrison Road and Battlefield Green Drive.