An upper-level disturbance triggered scattered to numerous showers and thunderstorms. The very unstable lower-level air mass resulted in an environment conducive to downburst winds, some of which were significant.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 06-JUL-20 17:07:00 to 06-JUL-20 17:07:00 (EST-5)
Location: GREENBELT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down near the I-95/I-495 Capital Beltway Interchange. A second tree was blown down on I-95/I-495 Capital Beltway near MD-295 Baltimore-Washington Parkway. A third tree was blown down onto MD-295 Baltimore-Washington Parkway near Powder Mill Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 06-JUL-20 17:15:00 to 06-JUL-20 17:15:00 (EST-5)
Location: BENFIELD
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down near the intersection of northbound MD-178 Generals Highway and Indian Landing Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 06-JUL-20 17:43:00 to 06-JUL-20 17:43:00 (EST-5)
Location: BRIDEWELL
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down near the intersection of MD-176 Dorsey Road and New Ridge Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 06-JUL-20 17:38:00 to 06-JUL-20 17:38:00 (EST-5)
Location: ROCKVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down in the southbound lane of I-270 Washington National Pike at Montrose Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 06-JUL-20 17:31:00 to 06-JUL-20 17:31:00 (EST-5)
Location: BALTIMORE MARTIN ST
Magnitude: 65.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Parts of the roof on the helicopter hangar at Martin State Regional Airport were damaged.

Hail in BALTIMORE, MARYLAND
From 06-JUL-20 17:35:00 to 06-JUL-20 17:35:00 (EST-5)
Location: BALTIMORE MARTIN ST
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported near the intersection of MD-43 White Marsh Boulevard and MD-150 Eastern Boulevard.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 06-JUL-20 17:40:00 to 06-JUL-20 17:40:00 (EST-5)
Location: (MTN)MARTIN ARPT BAL
Magnitude: 60.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous trees and wires were blown down in the 1300 to 1700 block of Wilson Point Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 06-JUL-20 17:38:00 to 06-JUL-20 17:38:00 (EST-5)
Location: GREEN HAVEN
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a measured wind gust of 50 knots (58 MPH) near Green Haven.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 06-JUL-20 17:40:00 to 06-JUL-20 17:40:00 (EST-5)
Location: BESTGATE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down on northbound MD-2 Solomons Island Road at MD-665 Aris T. Allen Boulevard.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 06-JUL-20 17:50:00 to 06-JUL-20 17:50:00 (EST-5)
Location: COLEBROOKE
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Department of Highways

Trees down in the area of Branch Avenue and Silver Hill Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 06-JUL-20 17:53:00 to 06-JUL-20 17:53:00 (EST-5)
Location: STEMMERS RUN
Magnitude: 60.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Numerous trees and wires blew down in the 8500 to 8700 block of US-40 Pulaski Highway.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 06-JUL-20 18:04:00 to 06-JUL-20 18:04:00 (EST-5)
Location: EDGEMERE
Magnitude: 55.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Multiple trees down in the area of 2800 Lodge Farm Road.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 06-JUL-20 18:40:00 to 06-JUL-20 18:40:00 (EST-5)
Location: UPPER MARLBORO
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Trees were blown down in Upper Marlboro, including one onto a house.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 06-JUL-20 20:28:00 to 06-JUL-20 20:28:00 (EST-5)
Location: BRANDYWINE
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree blew down near the intersection of MD-381 Brandywine Road and Kathleen Lane. A tree blew down near the intersection of MD-373 Accokeek Road and MD-5 Branch Avenue.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 06-JUL-20 22:20:00 to 06-JUL-20 22:20:00 (EST-5)
Location: BUDDS CREEK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down near the intersection of MD-234 Budds Creek Road and MD-236 Thompson Corner Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 06-JUL-20 17:27:00 to 06-JUL-20 17:27:00 (EST-5)
Location: CHASE
Magnitude: 55.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A two foot in diameter tree was blown down near the intersection of MD-150 Eastern Boulevard and Carroll Island Road.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 06-JUL-20 17:43:00 to 06-JUL-20 17:43:00 (EST-5)
Location: MTCHVLL FREEWAY ARPT
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Department of Highways

Trees were blown down in the area of MD-197 Collington Road and US-50 John Hanson Highway.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 06-JUL-20 21:59:00 to 06-JUL-20 21:59:00 (EST-5)
Location: CHARLOTTE HALL
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Department of Highways

A tree was blown down on MD-5 Point Lookout Road near MD-238 Chaptico. Trees blew down onto wires bringing down power poles at the intersection of Lockes Hill Road and Stockett Run Lane.