A very strong cold front passed through the area while a potent upper-level trough was positioned just to our west. Strong winds aloft were able to mix down in heavier showers and thunderstorms due to an unstable atmosphere. Low-level winds changing speed and direction with height combined with a thunderstorm to trigger an isolated tornado.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:08:00 to 13-APR-20 13:08:00 (EST-5)
Location: REDLAND
Magnitude: 55.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree fell onto a car in the 17500 block of Ira Court.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:12:00 to 13-APR-20 13:12:00 (EST-5)
Location: OLNEY
Magnitude: 75.00 EG
Property damage: 500.00K
Reported by: Emergency Manager

Numerous (hundreds) of trees (healthy pine and oak trees) were uprooted or snapped from near Norbeck Coutry Club to Winter Laurel Drive in Olney. Some trees fell onto houses and cars.

Thunderstorm Wind in FREDERICK, MARYLAND
From 13-APR-20 12:22:00 to 13-APR-20 12:22:00 (EST-5)
Location: ST ANTHONY
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was blown down in the 16000 block of Saint Anthony Road.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 13-APR-20 12:14:00 to 13-APR-20 12:14:00 (EST-5)
Location: SEAT PLEASANT
Magnitude: 50.00 EG
Reported by: 911 Call Center

Wires were blown down in the 5800 block of Burgundy Street.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 13-APR-20 12:36:00 to 13-APR-20 12:36:00 (EST-5)
Location: LAKE SHR
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was blown down on Lakeshore Drive.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 13-APR-20 12:42:00 to 13-APR-20 12:42:00 (EST-5)
Location: ANNAPOLIS
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was blown down on Yachtsman Way.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 12:51:00 to 13-APR-20 12:51:00 (EST-5)
Location: CEDAR GROVE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree fell onto a house in the 24000 block of Bush Hill Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 12:53:00 to 13-APR-20 12:53:00 (EST-5)
Location: BARNESVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Multiple reports of large branches blew down onto wires in the 20800 block of Peach Tree Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 12:51:00 to 13-APR-20 12:51:00 (EST-5)
Location: POOLESVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Wires were blown down in the 5600 block of Edwards Ferry Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:02:00 to 13-APR-20 13:02:00 (EST-5)
Location: QUINCE ORCHARD
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree blew down onto the porch of a residence on Ridgepoint Place.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:09:00 to 13-APR-20 13:09:00 (EST-5)
Location: DERWOOD
Magnitude: 60.00 EG
Property damage: 300.00K
Reported by: Trained Spotter

Multiple trees were blown down along Buena Vista Drive, a few of which fell onto homes resulting in structural damage.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:10:00 to 13-APR-20 13:10:00 (EST-5)
Location: WESTMORE
Magnitude: 55.00 EG
Property damage: 20.00K
Reported by: Emergency Manager

A tree fell onto a car in the 15700 block of Needwood Lake Circle.

Hail in MONTGOMERY, MARYLAND
From 13-APR-20 13:20:00 to 13-APR-20 13:20:00 (EST-5)
Location: WHEATON
Magnitude: 1.00 
Reported by: Trained Spotter

Hail in BALTIMORE, MARYLAND
From 13-APR-20 13:43:00 to 13-APR-20 13:43:00 (EST-5)
Location: ESSEX
Magnitude: 1.00 
Reported by: Trained Spotter

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:05:00 to 13-APR-20 13:05:00 (EST-5)
Location: CLOPPER
Magnitude: 52.00 MG
Reported by: Mesonet

A 52-knot (60 MPH) wind gust was measured by a mesonet at the National Institute of Standards and Technology in Gaithersburg.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:14:00 to 13-APR-20 13:14:00 (EST-5)
Location: SANDY SPG
Magnitude: 60.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A large tree blew down across the roadway on Cattail Lane. Other large branches were blown down in the area.

Thunderstorm Wind in HOWARD, MARYLAND
From 13-APR-20 13:22:00 to 13-APR-20 13:22:00 (EST-5)
Location: EAST LIOAK
Magnitude: 50.00 EG
Property damage: 20.00K
Reported by: Trained Spotter

A tree blew down onto a car off of Green Mountain Circle in Columbia.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 13-APR-20 13:25:00 to 13-APR-20 13:25:00 (EST-5)
Location: MARYLAND CITY
Magnitude: 55.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Several trees were blown down in the Laurel area.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 13-APR-20 13:37:00 to 13-APR-20 13:37:00 (EST-5)
Location: (BWI)BALTMOR-WSHNGTN
Magnitude: 53.00 MG
Reported by: ASOS

Thunderstorm Wind in BALTIMORE, MARYLAND
From 13-APR-20 13:30:00 to 13-APR-20 13:30:00 (EST-5)
Location: CHADWICK MANOR
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Public

A tree was uprooted along Edmonson Avenue.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 13-APR-20 13:39:00 to 13-APR-20 13:39:00 (EST-5)
Location: SPARROWS PT
Magnitude: 59.00 MG
Reported by: Mesonet

A 59-knot (68 MPH) wind gust was measured by a mesonet at the Maryland Science Center in downtown Baltimore.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 13-APR-20 13:41:00 to 13-APR-20 13:41:00 (EST-5)
Location: HILLANDALE
Magnitude: 50.00 EG
Property damage: 2.00K
Reported by: Emergency Manager

Trees and wires blew down near the intersection of Parkman Road and Rodney Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 13-APR-20 13:42:00 to 13-APR-20 13:42:00 (EST-5)
Location: GREEN HAVEN
Magnitude: 60.00 EG
Reported by: Trained Spotter

A gazebo was blown over and several large branches were blown down near the intersection of Woodlawn Avenue and Middlegate Court.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 13-APR-20 13:43:00 to 13-APR-20 13:43:00 (EST-5)
Location: BRANCHVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Broadcast Media

A tree was blown down onto Rhode Island Avenue near Edgewood Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 13-APR-20 13:38:00 to 13-APR-20 13:38:00 (EST-5)
Location: MARLEY
Magnitude: 63.00 MG
Reported by: Mesonet

A 63-knot (72 MPH) wind gust was measured by a mesonet in Glen Burnie.

Thunderstorm Wind in HARFORD, MARYLAND
From 13-APR-20 13:45:00 to 13-APR-20 13:45:00 (EST-5)
Location: GLENWOOD
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was blown down in the 1400 block of East Macphail Road.

Thunderstorm Wind in CARROLL, MARYLAND
From 13-APR-20 12:50:00 to 13-APR-20 12:50:00 (EST-5)
Location: AVONDALE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was blown down in the 300 block of Avalon Lane in Westminster.

Thunderstorm Wind in HARFORD, MARYLAND
From 13-APR-20 13:28:00 to 13-APR-20 13:28:00 (EST-5)
Location: RUTLEDGE
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree blew down at the intersection of Furnace Road and Durham Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 13-APR-20 13:42:00 to 13-APR-20 13:42:00 (EST-5)
Location: DUNDALK
Magnitude: 50.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A large tree (about two feet in diameter) was uprooted near the intersection of Portship Road and Yorkway in Dundalk.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 13-APR-20 13:43:00 to 13-APR-20 13:43:00 (EST-5)
Location: ESSEX
Magnitude: 50.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Multiple large tree branches were snapped on Montrose Avenue in Essex.