Showers and thunderstorms developed ahead of a pressure trough, with several turning severe. Considerable wind damage was noted in suburban Maryland.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-AUG-21 14:11:00 to 27-AUG-21 14:11:00 (EST-5)
Location: HUNTING HILL
Magnitude: 54.00 MG
Reported by: Mesonet

A wind gust of 54 knots (62 MPH) was measured by a mesonet in Gaithersburg.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 27-AUG-21 21:36:00 to 27-AUG-21 21:36:00 (EST-5)
Location: CHAPTICO
Magnitude: 40.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree blew down near the intersection of Asher Road and Cox Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-AUG-21 14:17:00 to 27-AUG-21 14:17:00 (EST-5)
Location: CARDEROCK SPGS
Magnitude: 55.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

Numerous trees and large branches blew down around Montgomery Mall, including on Gainsborough Road north of Democracy Boulevard, and on Democracy Boulevard near the I-270 Spur. Several trees blew down in the Willerburn Acres Neighborhood. Power lines blew down in the 6000 block of Tilden Lane.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-AUG-21 14:21:00 to 27-AUG-21 14:21:00 (EST-5)
Location: CABIN JOHN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Broadcast Media

Trees blew down on the ramp for Exit 41 from I-495 Capital Beltway Inner Loop to westbound Clara Barton Parkway.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-AUG-21 14:33:00 to 27-AUG-21 14:33:00 (EST-5)
Location: FRIENDSHIP HGTS
Magnitude: 55.00 EG
Property damage: 6.00K
Reported by: Emergency Manager

Several trees blew down near the MD-185 Connecticut Avenue/I-495 Capital Beltway interchange.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 27-AUG-21 14:40:00 to 27-AUG-21 14:40:00 (EST-5)
Location: CAPITOL VIEW PARK
Magnitude: 60.00 EG
Property damage: 40.00K
Reported by: Emergency Manager

Numerous trees and wires blew down in Silver Spring. A tree and wires blew down onto a car on MD-97 Georgia Avenue just south of I-495 Capital Beltway (between Flora Lane and White Oak Drive) injuring three people. Wires blew down MD-97 Georgia Avenue between Columbia Boulevard and Corwin Drive and near MD-390 16th Street cutting off power to traffic lights between MD-390 16th Street and I-495 Capital Beltway. Multiple large trees blew down onto wires damaging a fence and porch on Elm Street in Takoma Park. Trees and wires also blew down on Clark Place, Greely Avenue, and Forest Glen Road; power to the Forest Glen Metro Station was interrupted. A tree blew down onto wires causing a fire in the 100 block of Eastmoor Drive. Trees and wires blew down in the 1100 block of Mimosa Lane.

Thunderstorm Wind in FREDERICK, MARYLAND
From 27-AUG-21 14:45:00 to 27-AUG-21 14:45:00 (EST-5)
Location: FEAGAVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

A tree and wires blew down on MD-180 Jefferson Pike near Wye Creek Drive.

Thunderstorm Wind in FREDERICK, MARYLAND
From 27-AUG-21 15:14:00 to 27-AUG-21 15:14:00 (EST-5)
Location: EMMITSBURG
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

Trees blew down on US-15 near Emmitsburg.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 27-AUG-21 15:40:00 to 27-AUG-21 15:40:00 (EST-5)
Location: MILLERSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: 911 Call Center

Trees and wires blew down in Millersville, including along I-97 between Exits 12 and 14.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 27-AUG-21 15:50:00 to 27-AUG-21 15:50:00 (EST-5)
Location: HERALD HARBOR
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: 911 Call Center

Trees and wires blew down in Herald Harbor.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 27-AUG-21 16:03:00 to 27-AUG-21 16:03:00 (EST-5)
Location: REVELL
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree blew down in Belvedere Park.

Lightning in CARROLL, MARYLAND
From 27-AUG-21 16:03:00 to 27-AUG-21 16:03:00 (EST-5)
Location: MANCHESTER
Property damage: 50.00K
Reported by: Broadcast Media

Lightning struck a building on MD-30 Main Street in Manchester causing the brick facade to blow off.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 27-AUG-21 16:25:00 to 27-AUG-21 16:25:00 (EST-5)
Location: SKIDMORE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

Trees blew down on westbound US-50/US-301 prior to Exit 32/MD-908 Oceanic Drive.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 27-AUG-21 16:50:00 to 27-AUG-21 16:50:00 (EST-5)
Location: MONKTON
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: Emergency Manager

A tree and wires blew down on MD-137 Mount Carmel Road near Cedar Grove Road. A tree blew down on MD-138 Monkton Road near Piney Woods Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 27-AUG-21 17:15:00 to 27-AUG-21 17:15:00 (EST-5)
Location: TAYLOR
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

Trees blew down in Forest Hill, including near the intersection of MD-152 Fallston Road and Fox Meadow Court, and in the 1800 block of Parkwood Drive.

Thunderstorm Wind in HARFORD, MARYLAND
From 27-AUG-21 17:30:00 to 27-AUG-21 17:30:00 (EST-5)
Location: ROCKS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Trees blew down on MD-24 Rocks Road south of Saint Clair Bridge Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 27-AUG-21 17:35:00 to 27-AUG-21 17:35:00 (EST-5)
Location: FALLSTON ARPT
Magnitude: 45.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree blew down in the 100 block of Reckford Road.

Thunderstorm Wind in CHARLES, MARYLAND
From 27-AUG-21 21:10:00 to 27-AUG-21 21:10:00 (EST-5)
Location: BRYANTOWN
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

Trees blew down on MD-5 Leonardtown Road south of MD-488 La Plata Road.

Thunderstorm Wind in CHARLES, MARYLAND
From 27-AUG-21 21:22:00 to 27-AUG-21 21:22:00 (EST-5)
Location: HUGHESVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree blew down near the intersection of MD-231 Burnt Store Road and Old Leonardtown Road.

Thunderstorm Wind in CHARLES, MARYLAND
From 27-AUG-21 21:30:00 to 27-AUG-21 21:30:00 (EST-5)
Location: DUBOIS
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

A tree blew down near the intersection of MD-6 Charles Street and Dubois Road. A tree blew down near the intersection of Dubois Road and Trinity Church Road.