A cold front slowed as it approached the Appalachian Mountains, intersecting a hot, humid, and unstable airmass. This resulted in scattered to numerous showers and thunderstorms, several of which became severe producing widely scattered instances of wind damage and isolated large hail. A couple of localized considerable instances of wind damage were noted near Washington, DC, and its western suburbs.

Thunderstorm Wind in ROCKINGHAM, VIRGINIA
From 14-JUL-23 13:08:00 to 14-JUL-23 13:08:00 (EST-5)
Location: CLOVER HILL
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Broadcast Media

Several trees and power lines blew down in the 8500 block of VA-743 Union Springs Road.

Thunderstorm Wind in ROCKINGHAM, VIRGINIA
From 14-JUL-23 13:17:00 to 14-JUL-23 13:17:00 (EST-5)
Location: CLOVER HILL
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Multiple trees and wires blew down in the Clover Hill area toward the north side of Bridgewater.

Hail in FREDERICK, VIRGINIA
From 14-JUL-23 13:57:00 to 14-JUL-23 13:57:00 (EST-5)
Location: CROSS JCT
Magnitude: 1.00 
Reported by: NWS Employee

Quarter size hail was reported west-southwest of Cross Junction.

Hail in FREDERICK, VIRGINIA
From 14-JUL-23 14:27:00 to 14-JUL-23 14:27:00 (EST-5)
Location: CEDAR GROVE
Magnitude: 1.25 
Reported by: Public

Half dollar size hail was reported near the intersection of US-522 North Frederick Pike and VA-608 Hunting Ridge Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-JUL-23 15:54:00 to 14-JUL-23 15:54:00 (EST-5)
Location: NORTH FORK
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Department of Highways

Tree damage was reported near Philomont, including a tree that blew down on VA-728 North Fork Road near VA-611 New Ford Road/Telegraph Springs Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-JUL-23 15:32:00 to 14-JUL-23 15:32:00 (EST-5)
Location: HILLSBORO
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Department of Highways

Tree damage was reported west-southwest of Hillsboro, including a tree that blew down on VA-714 Shannondale Road near VA-716 Edgegrove Road.

Hail in FREDERICK, VIRGINIA
From 14-JUL-23 14:09:00 to 14-JUL-23 14:09:00 (EST-5)
Location: CROSS JCT
Magnitude: 1.25 
Reported by: Trained Spotter

Hail up to half dollar size was reported in Cross Junction.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-JUL-23 15:40:00 to 14-JUL-23 15:40:00 (EST-5)
Location: BRITAIN
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Department of Highways

Tree damage was reported north-northeast of Hillsboro, including a tree that blew down on VA-690 Mountain Road near VA-693 Morrisonville Road.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-JUL-23 15:59:00 to 14-JUL-23 15:59:00 (EST-5)
Location: PURCELLVILLE
Magnitude: 56.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Trees blew down near the intersection of Hirst Road and VA-287 Berlin Turnpike.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-JUL-23 16:02:00 to 14-JUL-23 16:02:00 (EST-5)
Location: BRITAIN
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Department of Highways

Numerous trees blew down along VA-287 Berlin Turnpike between Wheatland and Lovettsville.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-JUL-23 16:31:00 to 14-JUL-23 16:31:00 (EST-5)
Location: ELKINS
Magnitude: 52.00 EG
Property damage: 5.00K
Reported by: 911 Call Center

Multiple trees blew down on VA-193 Georgetown Pike. Trees also blew down in Great Falls Park.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-JUL-23 16:34:00 to 14-JUL-23 16:34:00 (EST-5)
Location: SUNSET HILLS
Magnitude: 57.00 MG
Reported by: Mesonet

A wind gust of 57 knots (66 MPH) was measured by a mesonet in Reston.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-JUL-23 16:35:00 to 14-JUL-23 16:35:00 (EST-5)
Location: (IAD)DULLES INTL ARP
Magnitude: 51.00 MG
Reported by: ASOS

A wind gust of 51 knots (59 MPH) was measured by the ASOS at Washington Dulles International Airport (KIAD).

Hail in FAIRFAX, VIRGINIA
From 14-JUL-23 16:25:00 to 14-JUL-23 16:25:00 (EST-5)
Location: HERNDON
Magnitude: 1.50 
Reported by: NWS Employee

Up to ping pong ball size hail was reported in Herndon.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-JUL-23 16:31:00 to 14-JUL-23 16:31:00 (EST-5)
Location: GREENWAY
Magnitude: 52.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

A tree blew down onto a vehicle and power lines near the intersection of VA-193 Georgetown Pike and VA-684 Spring Hill Road.

Thunderstorm Wind in ARLINGTON, VIRGINIA
From 14-JUL-23 17:30:00 to 14-JUL-23 17:30:00 (EST-5)
Location: SOUTH WASHINGTON
Magnitude: 52.00 MG
Reported by: ASOS

A wind gust of 52 knots (60 MPH) was measured by the ASOS at Ronald Reagan Washington National Airport (KDCA).

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-JUL-23 17:50:00 to 14-JUL-23 17:50:00 (EST-5)
Location: LAUREL GROVE
Magnitude: 52.00 EG
Property damage: 3.00K
Reported by: 911 Call Center

Multiple trees blew down on VA-611 Telegraph Road near Wickford Drive.

Thunderstorm Wind in LOUDOUN, VIRGINIA
From 14-JUL-23 16:03:00 to 14-JUL-23 16:03:00 (EST-5)
Location: LOVETTSVILLE
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: Department of Highways

Trees blew down on VA-663 Downey Mill Road/Quarter Branch Road near VA-672 Lovettsville Road.

Thunderstorm Wind in FAIRFAX, VIRGINIA
From 14-JUL-23 16:25:00 to 14-JUL-23 16:25:00 (EST-5)
Location: HERNDON
Magnitude: 56.00 EG
Property damage: 10.00K
Reported by: NWS Employee

Trees and branches blew down and a large garbage dumpster was displaced in Herndon.

Thunderstorm Wind in AUGUSTA, VIRGINIA
From 14-JUL-23 15:16:00 to 14-JUL-23 15:16:00 (EST-5)
Location: WEST AUGUSTA
Magnitude: 52.00 EG
Reported by: Park/Forest Service

Several trees blew down in the area of Braley Pond in the George Washington National Forest.