A pre-frontal trough and approaching cold front ignited multiple rounds of severe thunderstorms during the afternoon and evening hours. Some thunderstorms produced significant microbursts.

Thunderstorm Wind in FREDERICK, MARYLAND
From 26-MAY-21 15:06:00 to 26-MAY-21 15:06:00 (EST-5)
Location: LADIESBURG
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: 911 Call Center

Trees blew down near Keysville, including one onto wires near the intersection of Haughs Church Road and Detour Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 26-MAY-21 16:19:00 to 26-MAY-21 16:19:00 (EST-5)
Location: FAIRLAND
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Wires blew down on US-29 Columbia Pike near Briggs Chaney Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 26-MAY-21 16:35:00 to 26-MAY-21 16:35:00 (EST-5)
Location: GUILFORD
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Tree damage was reported near Simpsonville, including trees and large tree limbs across the roadway in several locations on Murray Hill Road near the Middle Patuxent River to the intersection of Vollmerhausen Road.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 26-MAY-21 16:35:00 to 26-MAY-21 16:35:00 (EST-5)
Location: FRIENDLY
Magnitude: 55.00 EG
Property damage: 3.00K
Reported by: Trained Spotter

Several trees were reported down near Friendly, including a tree that blew down on MD-210 Indian Head Highway at Old Fort Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 26-MAY-21 16:42:00 to 26-MAY-21 16:42:00 (EST-5)
Location: CHADWICK MANOR
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

A tree blew down onto one lane of US-40 Baltimore National Pike near Nuwood Drive. Other tree damage was reported in the area.

Hail in HOWARD, MARYLAND
From 26-MAY-21 16:42:00 to 26-MAY-21 16:42:00 (EST-5)
Location: WATERLOO
Magnitude: 1.75 
Reported by: Trained Spotter

Quarter to golf ball size hail was reported in Elkridge.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 26-MAY-21 16:49:00 to 26-MAY-21 16:49:00 (EST-5)
Location: SURRATS GARDENS
Magnitude: 50.00 EG
Property damage: 4.00K
Reported by: 911 Call Center

A tree blew down onto an occupied car in the 10900 block of Sweetgum Way; the occupant was uninjured. Another tree blew down in the 9000 block of MD-223 Piscataway Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 26-MAY-21 17:00:00 to 26-MAY-21 17:00:00 (EST-5)
Location: FERNDALE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Department of Highways

A tree blew down on MD-295 Baltimore-Washington Parkway near Ridge Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 26-MAY-21 17:03:00 to 26-MAY-21 17:03:00 (EST-5)
Location: GLEN BURNIE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was blown down across Furnace Road.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 26-MAY-21 17:12:00 to 26-MAY-21 17:12:00 (EST-5)
Location: WELLS CORNER
Magnitude: 55.00 EG
Property damage: 100.00K
Reported by: 911 Call Center

Trees were reported down in the Upper Marlboro area. A building under construction collapsed in the 3700 block of US-301 Crain Highway.

Thunderstorm Wind in HARFORD, MARYLAND
From 26-MAY-21 17:20:00 to 26-MAY-21 17:20:00 (EST-5)
Location: GLENVILLE
Magnitude: 60.00 EG
Property damage: 10.00K
Reported by: 911 Call Center

Numerous trees were blown down between the 1800 and 2000 block of Nobles Mill Road.

Thunderstorm Wind in CECIL, MARYLAND
From 26-MAY-21 17:52:00 to 26-MAY-21 17:52:00 (EST-5)
Location: FAIR HILL
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Department of Highways

A tree blew down on MD-273 Telegraph Road near Lewisville Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 26-MAY-21 18:12:00 to 26-MAY-21 18:12:00 (EST-5)
Location: BRUNSWICK
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Department of Highways

A tree blew down on MD-478 West Potomac Street near Moore Street. Power lines were blown down in the 3000 block of Petersville Road.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 26-MAY-21 18:35:00 to 26-MAY-21 18:35:00 (EST-5)
Location: HOOD
Magnitude: 50.00 EG
Property damage: 10.00K
Reported by: NWS Employee

A roof was partially blown off a barn in the 14000 block of Weller Road. Several trees were blown down nearby.

Thunderstorm Wind in CARROLL, MARYLAND
From 26-MAY-21 18:45:00 to 26-MAY-21 18:45:00 (EST-5)
Location: MT AIRY
Magnitude: 60.00 EG
Property damage: 12.00K
Reported by: 911 Call Center

There were about a dozen calls for trees and wires down in the Mount Airy area.

Thunderstorm Wind in CARROLL, MARYLAND
From 26-MAY-21 18:55:00 to 26-MAY-21 18:55:00 (EST-5)
Location: SYKESVILLE
Magnitude: 60.00 EG
Property damage: 12.00K
Reported by: 911 Call Center

There were about a dozen calls for trees and wires down in the Sykesville area. Trees were blown down on MD-97 New Washington Road near MD-32 East Main Street/Old Westminster Pike.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 26-MAY-21 19:10:00 to 26-MAY-21 19:10:00 (EST-5)
Location: GLEN MORRIS
Magnitude: 55.00 EG
Property damage: 6.00K
Reported by: 911 Call Center

A tree blew down on MD-30 Hanover Pike near Kemp Road. There were five calls for trees blown down in the Reisterstown and Owings Mills area.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 26-MAY-21 19:15:00 to 26-MAY-21 19:15:00 (EST-5)
Location: CABIN JOHN
Magnitude: 55.00 EG
Property damage: 10.00K
Reported by: 911 Call Center

Multiple trees were blown down in the Cabin John area.

Thunderstorm Wind in BALTIMORE CITY (C), MARYLAND
From 26-MAY-21 19:30:00 to 26-MAY-21 19:30:00 (EST-5)
Location: WALBROOK
Magnitude: 50.00 EG
Property damage: 3.00K
Reported by: 911 Call Center

Trees down in Baltimore, including in the 4600 block of Windsor Avenue.

Thunderstorm Wind in CHARLES, MARYLAND
From 26-MAY-21 20:25:00 to 26-MAY-21 20:25:00 (EST-5)
Location: BRYANS ROAD
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree blew down on Marshall Hall Road.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 26-MAY-21 20:44:00 to 26-MAY-21 20:44:00 (EST-5)
Location: UPPER MARLBORO
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Department of Highways

A tree blew down on MD-4 Pennsylvania Avenue near MD-717 Water Street.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 26-MAY-21 16:38:00 to 26-MAY-21 16:38:00 (EST-5)
Location: FT WASHINGTON FOREST
Magnitude: 70.00 EG
Property damage: 100.00K
Reported by: 911 Call Center

Widespread wind damage was reported near Tantallon and Fort Washington. Half a dozen trees blew down onto houses, with several more falling on cars. Numerous other trees, branches and wires were reported down. One person was injured when a tree fell on a house in the 13300 block of Pendleton Street in Fort Washington.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 26-MAY-21 19:22:00 to 26-MAY-21 19:22:00 (EST-5)
Location: FRIENDSHIP HGTS
Magnitude: 55.00 EG
Property damage: 10.00K
Reported by: Emergency Manager

Numerous trees and wires were blown down in the Bethesda/Chevy Chase area.