A weak boundary moved into the area, but hot and humid conditions led to moderate to high amounts of instability. An upper-level trough increased winds aloft which caused storms associated with the boundary to become severe.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 13:28:00 to 22-JUL-17 13:28:00 (EST-5)
Location: TAKOMA PARK
Magnitude: 50.00 EG
Reported by: Trained Spotter

A four inch limb was snapped off.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 22-JUL-17 13:30:00 to 22-JUL-17 13:30:00 (EST-5)
Location: MONTPELIER
Magnitude: 50.00 EG
Reported by: Trained Spotter

A tree was down blocking Golden Pass Lane.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:48:00 to 22-JUL-17 13:48:00 (EST-5)
Location: RUTLAND
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Rossback Road and Rutland Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:50:00 to 22-JUL-17 13:50:00 (EST-5)
Location: HARWOOD
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Solomons Island Road and Harwood Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:53:00 to 22-JUL-17 13:53:00 (EST-5)
Location: BIRDSVILLE
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Brick Church Road and Solomons Island Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:54:00 to 22-JUL-17 13:54:00 (EST-5)
Location: ANNAPOLIS LEE FLD AR
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down along the 2900 Block of Friends Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:58:00 to 22-JUL-17 13:58:00 (EST-5)
Location: BRISTOL
Magnitude: 50.00 EG
Reported by: 911 Call Center

Two trees were down near the intersection of Southern Maryland Boulevard and Talbot Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:58:00 to 22-JUL-17 13:58:00 (EST-5)
Location: BAYSIDE BEACH
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Chesapeake Place and Dock Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 14:00:00 to 22-JUL-17 14:00:00 (EST-5)
Location: FAIR HAVEN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Fairhaven Road and Revell Road.

Thunderstorm Wind in CHARLES, MARYLAND
From 22-JUL-17 17:17:00 to 22-JUL-17 17:17:00 (EST-5)
Location: BEANTOWN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Poplar Hill Road and Gardiner Road.

Thunderstorm Wind in CHARLES, MARYLAND
From 22-JUL-17 17:17:00 to 22-JUL-17 17:17:00 (EST-5)
Location: BEANTOWN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Poplar Hill Road and Gardiner Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 13:03:00 to 22-JUL-17 13:03:00 (EST-5)
Location: GAITHERSBURG
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust of 59 mph was reported.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 13:55:00 to 22-JUL-17 13:55:00 (EST-5)
Location: SOUTH HAVEN BEACH
Magnitude: 54.00 MG
Reported by: NWS Employee

Several large tree limbs were down along with one large tree in the Southaven neighborhood of Annapolis. A wind gust of 62 mph was also measured.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 22-JUL-17 14:00:00 to 22-JUL-17 14:00:00 (EST-5)
Location: ANNAPOLIS
Magnitude: 50.00 MG
Reported by: Mesonet

A wind gust of 58 mph was reported.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 22-JUL-17 12:23:00 to 22-JUL-17 12:23:00 (EST-5)
Location: SANDY HOOK
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree fell onto a car along Route 340 at Potomac River Crossing. An injury occurred due to the fallen tree.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:30:00 to 22-JUL-17 12:30:00 (EST-5)
Location: BRUNSWICK
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down along the 600 Block of East Potomac Street.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:30:00 to 22-JUL-17 12:30:00 (EST-5)
Location: BRUNSWICK
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree fell down on East Street.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:31:00 to 22-JUL-17 12:31:00 (EST-5)
Location: BRUNSWICK
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down along the 100 Block of Gum Spring Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:31:00 to 22-JUL-17 12:31:00 (EST-5)
Location: ROSEMONT
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down on power lines near the intersection of Petersville Road and Rosemont Drive.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:35:00 to 22-JUL-17 12:35:00 (EST-5)
Location: CATOCTIN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Point of Rocks Road and West Boss Arnold Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:36:00 to 22-JUL-17 12:36:00 (EST-5)
Location: CATOCTIN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down blocking one lane in the 3600 Block of Point of Rocks Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:38:00 to 22-JUL-17 12:38:00 (EST-5)
Location: CATOCTIN
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down in the roadway along the 2900 Block of Fry Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 12:47:00 to 22-JUL-17 12:47:00 (EST-5)
Location: BEALLSVILLE
Magnitude: 50.00 EG
Reported by: Broadcast Media

A tree was down near the intersection of Darnestown Road and Beallsville Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 22-JUL-17 12:50:00 to 22-JUL-17 12:50:00 (EST-5)
Location: PARK MILLS
Magnitude: 50.00 EG
Reported by: 911 Call Center

A tree was down near the intersection of Peters Road and Roderick Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 12:58:00 to 22-JUL-17 12:58:00 (EST-5)
Location: QUINCE ORCHARD
Magnitude: 50.00 EG
Reported by: Broadcast Media

A downed tree was blocking both directions of travel on Riffleford Road between MD-28 and MD-118.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 12:59:00 to 22-JUL-17 12:59:00 (EST-5)
Location: GERMANTOWN
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was down blocking the southbound Germantown Road just south of Black Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 13:03:00 to 22-JUL-17 13:03:00 (EST-5)
Location: TRAVILAH
Magnitude: 50.00 EG
Reported by: Broadcast Media

A tree was down blocking the right side of River Road east of Travilah Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 13:14:00 to 22-JUL-17 13:14:00 (EST-5)
Location: WHEATON
Magnitude: 50.00 EG
Reported by: Public

A tree was down on a car along Elnora Street between Galt Avenue and Grandview Avenue.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 22-JUL-17 13:19:00 to 22-JUL-17 13:19:00 (EST-5)
Location: TAKOMA PARK
Magnitude: 50.00 EG
Reported by: Emergency Manager

A tree was down along the 600 Block of Philadelphia Avenue.