A strong upper-level disturbance passed through the region in a northwest flow aloft. Extremely hot and humid conditions caused high amounts of instability. The upper-level disturbance triggered a line of thunderstorms that moved through the area. Due to the high instability, thunderstorms caused widespread wind damage.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 29-JUN-12 22:18:00 to 29-JUN-12 22:18:00 (EST-5)
Location: LNRDTWN ST MARYS ARP
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Large trees were down in the neighborhood.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:10:00 to 29-JUN-12 22:10:00 (EST-5)
Location: EARLEIGH HGTS
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A few two-foot diameter trees were knocked over.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:05:00 to 29-JUN-12 22:05:00 (EST-5)
Location: CONAWAYS
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Tree limbs were down in the neighborhood.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:00:00 to 29-JUN-12 22:00:00 (EST-5)
Location: MARYLAND CITY
Magnitude: 78.00 EG
Property damage: 5.00K
Reported by: Other Federal Agency

An outbuilding suffered complete loss of roofing material at a horse racing track.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:00:00 to 29-JUN-12 22:00:00 (EST-5)
Location: TIPTON AAF ARPT
Magnitude: 66.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

A plane flipped at Tipton Airport.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:02:00 to 29-JUN-12 22:02:00 (EST-5)
Location: (BWI)BALTMOR-WSHNGTN
Magnitude: 57.00 MG
Reported by: ASOS

A wind gust of 57 knots was measured at BWI Airport.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:55:00 to 29-JUN-12 21:55:00 (EST-5)
Location: WATERLOO
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell down into a house on Mission Road.

Thunderstorm Wind in FREDERICK, MARYLAND
From 29-JUN-12 20:50:00 to 29-JUN-12 20:50:00 (EST-5)
Location: MOUNTAINDALE
Magnitude: 52.00 EG
Property damage: 0.50K
Reported by: Trained Spotter

Tree limbs were broken.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:23:00 to 29-JUN-12 21:23:00 (EST-5)
Location: COMUS
Magnitude: 61.00 EG
Reported by: Trained Spotter

A telephone pole and several tree branches were down.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:23:00 to 29-JUN-12 21:23:00 (EST-5)
Location: SENECA
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Public

Trees were uprooted and or snapped at a residence on Poplar Hill Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:48:00 to 29-JUN-12 21:48:00 (EST-5)
Location: FULTON
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell into a house on Reservoir Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:48:00 to 29-JUN-12 21:48:00 (EST-5)
Location: EAST LIOAK
Magnitude: 61.00 EG
Property damage: 50.00K
Reported by: Emergency Manager

Trees fell onto houses along Old Tucker Row and Woodenhawk Circle.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:48:00 to 29-JUN-12 21:48:00 (EST-5)
Location: EAST LIOAK
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell onto a house at Homewood.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:50:00 to 29-JUN-12 21:50:00 (EST-5)
Location: SIMPSONVILLE
Magnitude: 61.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell onto a house along Eden Brook Drive.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:50:00 to 29-JUN-12 21:50:00 (EST-5)
Location: EAST LIOAK
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell onto a house along Faulkner Ridge Circle.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:09:00 to 29-JUN-12 20:09:00 (EST-5)
Location: PLEASANT VLY
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Trees were down near Rocky Gap.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:14:00 to 29-JUN-12 20:14:00 (EST-5)
Location: FLINTSTONE
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Trees were down.

Thunderstorm Wind in FREDERICK, MARYLAND
From 29-JUN-12 20:49:00 to 29-JUN-12 20:49:00 (EST-5)
Location: WALKERSVILLE
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust of 59 mph was reported near Walkersville.

Thunderstorm Wind in FREDERICK, MARYLAND
From 29-JUN-12 21:24:00 to 29-JUN-12 21:24:00 (EST-5)
Location: URBANA
Magnitude: 50.00 MG
Reported by: Mesonet

A wind gust of 58 mph was measured near Ijamsville.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:55:00 to 29-JUN-12 21:55:00 (EST-5)
Location: ILCHESTER
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell into a house on Nottingham Way.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:56:00 to 29-JUN-12 21:56:00 (EST-5)
Location: WATERLOO
Magnitude: 61.00 EG
Property damage: 50.00K
Reported by: Emergency Manager

Trees fell onto houses on Keeton Road and Baja Way.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:56:00 to 29-JUN-12 21:56:00 (EST-5)
Location: DORSEY
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell into a house on Meadowfield Court.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 22:00:00 to 29-JUN-12 22:00:00 (EST-5)
Location: MARRIOTSVILLE
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell onto a house on Grooms Lane.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:14:00 to 29-JUN-12 20:14:00 (EST-5)
Location: RIDGELEY
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Public

Large trees were down.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:15:00 to 29-JUN-12 20:15:00 (EST-5)
Location: EVITTS CREEK
Magnitude: 70.00 EG
Property damage: 20.00K
Reported by: 911 Call Center

A roof was blown off a house along York Place.

Hail in CARROLL, MARYLAND
From 29-JUN-12 03:47:00 to 29-JUN-12 03:47:00 (EST-5)
Location: SILVER RUN
Magnitude: 1.00 
Reported by: Public

Quarter sized hail was reported near Taneytown.

Hail in CARROLL, MARYLAND
From 29-JUN-12 03:50:00 to 29-JUN-12 03:50:00 (EST-5)
Location: DEEP RUN
Magnitude: 1.00 
Reported by: Public

Quarter sized hail was reported.

Hail in BALTIMORE, MARYLAND
From 29-JUN-12 04:05:00 to 29-JUN-12 04:05:00 (EST-5)
Location: SUNNYBROOK
Magnitude: 1.00 
Reported by: Public

Quarter sized hail was reported near Jacksonville.

Thunderstorm Wind in CHARLES, MARYLAND
From 29-JUN-12 22:05:00 to 29-JUN-12 22:05:00 (EST-5)
Location: TOMPKINSVILLE
Magnitude: 70.00 EG
Property damage: 5.00K
Reported by: Public

Numerous trees were down along the banks of Odee Road.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-12 22:13:00 to 29-JUN-12 22:13:00 (EST-5)
Location: MT HARMONY
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree that was twelve to eighteen inches in diameter was blwon down along Mount Harmony Road.

Hail in FREDERICK, MARYLAND
From 29-JUN-12 21:20:00 to 29-JUN-12 21:20:00 (EST-5)
Location: FOUNTAIN MILLS
Magnitude: 1.75 
Reported by: Public

Golf ball sized hail was reported.

Thunderstorm Wind in FREDERICK, MARYLAND
From 29-JUN-12 21:09:00 to 29-JUN-12 21:09:00 (EST-5)
Location: FREDERICK
Magnitude: 57.00 EG
Property damage: 50.00K
Reported by: Emergency Manager

Widespread trees were down across the county. Transformers were also down.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:53:00 to 29-JUN-12 21:53:00 (EST-5)
Location: WATERLOO
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Public

Several large trees and large branches were knocked down near the intersection of Route 108 and 175.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:43:00 to 29-JUN-12 21:43:00 (EST-5)
Location: GLENWOOD
Magnitude: 66.00 EG
Property damage: 100.00K
Reported by: Public

Numerous trees were down on houses.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:41:00 to 29-JUN-12 21:41:00 (EST-5)
Location: GLENELG
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell onto a house on Brantly Court.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:42:00 to 29-JUN-12 21:42:00 (EST-5)
Location: GLENELG
Magnitude: 61.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Two trees fell onto houses on Celbridge Drive and also along Burntwoods Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:44:00 to 29-JUN-12 21:44:00 (EST-5)
Location: WEST FRIENDSHIP
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell into a house on Garratt Court.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:43:00 to 29-JUN-12 21:43:00 (EST-5)
Location: FULTON
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell into a house on Browns Bridge Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:45:00 to 29-JUN-12 21:45:00 (EST-5)
Location: HIGHLAND
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell onto a house on River Clyde Drive.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:50:00 to 29-JUN-12 21:50:00 (EST-5)
Location: SIMPSONVILLE
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell onto a house on Carlinda Avenue.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:51:00 to 29-JUN-12 21:51:00 (EST-5)
Location: PINE ORCHARD
Magnitude: 61.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell down into a house on Font Hill Drive.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:09:00 to 29-JUN-12 22:09:00 (EST-5)
Location: GLEN BURNIE
Magnitude: 52.00 MG
Reported by: Mesonet

A wind gust of 60 mph was measured.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:05:00 to 29-JUN-12 22:05:00 (EST-5)
Location: GLEN BURNIE
Magnitude: 52.00 EG
Reported by: Public

A wind gust of 60 mph was estimated.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:22:00 to 29-JUN-12 22:22:00 (EST-5)
Location: RIVERA BEACH
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Tree limbs were blown down.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:05:00 to 29-JUN-12 22:05:00 (EST-5)
Location: BRIDEWELL
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Tree branches were broken near the intersection of Routes 100 and 170.

Hail in BALTIMORE, MARYLAND
From 29-JUN-12 22:22:00 to 29-JUN-12 22:22:00 (EST-5)
Location: KENWOOD
Magnitude: 1.00 
Reported by: Public

Quarter sized hail was reported.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:16:00 to 29-JUN-12 22:16:00 (EST-5)
Location: WARDOUR
Magnitude: 50.00 MG
Reported by: ASOS

A wind gust of 58 mph was measured at Annapolis.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 29-JUN-12 22:15:00 to 29-JUN-12 22:15:00 (EST-5)
Location: ANNAPOLIS LEE FLD AR
Magnitude: 53.00 MG
Reported by: AWOS

A wind gust of 61 knots was measured at Lee Airport.

Thunderstorm Wind in BALTIMORE CITY (C), MARYLAND
From 29-JUN-12 22:23:00 to 29-JUN-12 22:23:00 (EST-5)
Location: PORT COVENGTON
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust around 50 knots was measured near the Baltimore Harbor.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-12 22:15:00 to 29-JUN-12 22:15:00 (EST-5)
Location: NORTH BEACH
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust around 51 knots was measured at Chesapeake Beach.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:49:00 to 29-JUN-12 21:49:00 (EST-5)
Location: BERKSHIRE
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust around 51 knots was measured near Suitland.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:34:00 to 29-JUN-12 21:34:00 (EST-5)
Location: DAMASCUS
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust around 51 knots was measured near Damascus.

Thunderstorm Wind in FREDERICK, MARYLAND
From 29-JUN-12 20:49:00 to 29-JUN-12 20:49:00 (EST-5)
Location: WALKERSVILLE
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust around 51 knots was measured near Walkersville.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:20:00 to 29-JUN-12 22:20:00 (EST-5)
Location: WOODLAWN
Magnitude: 51.00 MG
Reported by: Mesonet

A wind gust around 51 knots was measured near Lochearn.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:25:00 to 29-JUN-12 22:25:00 (EST-5)
Location: SPARROWS PT
Magnitude: 58.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 67 mph was measured.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:36:00 to 29-JUN-12 22:36:00 (EST-5)
Location: BALTIMORE MARTIN ST
Magnitude: 50.00 MG
Reported by: AWOS

A wind gust of 58 mph was measured at Martin State.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:18:00 to 29-JUN-12 22:18:00 (EST-5)
Location: PARKVILLE
Magnitude: 57.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several trees were down due to thunderstorm winds.

Hail in HARFORD, MARYLAND
From 29-JUN-12 04:22:00 to 29-JUN-12 04:22:00 (EST-5)
Location: CLAYTON
Magnitude: 1.75 
Reported by: Trained Spotter

Golf ball sized hail was reported.

Hail in WASHINGTON, MARYLAND
From 29-JUN-12 20:35:00 to 29-JUN-12 20:35:00 (EST-5)
Location: ANTIETAM
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail was reported.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:25:00 to 29-JUN-12 22:25:00 (EST-5)
Location: KENWOOD
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Several trees were knocked down near the intersection of Kenwood Avenue and Coco Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:18:00 to 29-JUN-12 22:18:00 (EST-5)
Location: ST HELENA
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Public

A tree branch was thrown through windshield of a car along South Fulton Street.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:22:00 to 29-JUN-12 22:22:00 (EST-5)
Location: CHESACO PARK
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree was down at MD-543 and Smithson Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:22:00 to 29-JUN-12 22:22:00 (EST-5)
Location: KENWOOD
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

Several branches and small trees were down.

Thunderstorm Wind in FREDERICK, MARYLAND
From 29-JUN-12 21:24:00 to 29-JUN-12 21:24:00 (EST-5)
Location: URBANA
Magnitude: 50.00 MG
Reported by: Mesonet

A wind gust around 50 knots was measured near Ijamsville.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:25:00 to 29-JUN-12 22:25:00 (EST-5)
Location: HOWARDVILLE
Magnitude: 50.00 MG
Reported by: Mesonet

A wind gust around 50 knots was measured Towson.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:08:00 to 29-JUN-12 22:08:00 (EST-5)
Location: OWINGS MILLS
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A branch that was one foot in diameter was blown down.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:15:00 to 29-JUN-12 22:15:00 (EST-5)
Location: CATONSVILLE MANOR
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree that was two feet in diameter was down off Newfield Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:22:00 to 29-JUN-12 22:22:00 (EST-5)
Location: CHESACO PARK
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A large Oak Tree was knocked down.

Thunderstorm Wind in CHARLES, MARYLAND
From 29-JUN-12 21:50:00 to 29-JUN-12 21:50:00 (EST-5)
Location: POMONKEY
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Two large branches were down.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-12 22:25:00 to 29-JUN-12 22:25:00 (EST-5)
Location: HUNTINGTOWN
Magnitude: 52.00 EG
Reported by: NWS Employee

A wind gust was estimated to be around 60 mph.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-12 22:15:00 to 29-JUN-12 22:15:00 (EST-5)
Location: HUNTINGTOWN
Magnitude: 52.00 EG
Reported by: Trained Spotter

Two inch tree branches were broken off.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-12 22:15:00 to 29-JUN-12 22:15:00 (EST-5)
Location: HUNTINGTOWN
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree one foot in diameter fell onto power lines.

Thunderstorm Wind in CHARLES, MARYLAND
From 29-JUN-12 21:58:00 to 29-JUN-12 21:58:00 (EST-5)
Location: TOMPKINSVILLE
Magnitude: 67.00 MG
Reported by: Buoy

A wind gust of 77 mph was reported.

Thunderstorm Wind in CALVERT, MARYLAND
From 29-JUN-12 22:18:00 to 29-JUN-12 22:18:00 (EST-5)
Location: NORTH BEACH
Magnitude: 61.00 EG
Reported by: COOP Observer

A tree that was six to eight inches in diameter was snapped twenty feet from the top.

Thunderstorm Wind in CHARLES, MARYLAND
From 29-JUN-12 22:00:00 to 29-JUN-12 22:00:00 (EST-5)
Location: BEANTOWN
Magnitude: 66.00 EG
Property damage: 25.00K
Reported by: Trained Spotter

Numerous trees were down. Some trees fell onto cars and roads were impassable.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 22:00:00 to 29-JUN-12 22:00:00 (EST-5)
Location: OELLA
Magnitude: 66.00 EG
Property damage: 1.00K
Reported by: Public

A tree was down on Rolling Road near the intersection with Edmondson Avenue.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:48:00 to 29-JUN-12 21:48:00 (EST-5)
Location: SIMPSONVILLE
Magnitude: 61.00 EG
Property damage: 50.00K
Reported by: Emergency Manager

Two trees fell into two houses along Hallmark Road.

Hail in ALLEGANY, MARYLAND
From 29-JUN-12 20:14:00 to 29-JUN-12 20:14:00 (EST-5)
Location: RIDGELEY
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail was reported.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:30:00 to 29-JUN-12 21:30:00 (EST-5)
Location: CEDAR GROVE
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Some uprooted trees and limbs were down.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:22:00 to 29-JUN-12 21:22:00 (EST-5)
Location: CLARKSBURG
Magnitude: 57.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Trees were down in Clarksburg.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:35:00 to 29-JUN-12 21:35:00 (EST-5)
Location: CLOPPER
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Public

A large tree was uprooted on Quince Orchard Road near Dosh Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:45:00 to 29-JUN-12 21:45:00 (EST-5)
Location: HOLLYWOOD PARK
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: NWS Employee

Several trees were down near White Oak.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:30:00 to 29-JUN-12 21:30:00 (EST-5)
Location: CEDAR GROVE
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind gusts were estimated to be around 70 mph.

Thunderstorm Wind in CARROLL, MARYLAND
From 29-JUN-12 03:50:00 to 29-JUN-12 03:50:00 (EST-5)
Location: DEEP RUN
Magnitude: 50.00 EG
Reported by: Trained Spotter

A small branch one inch in diameter was down due to thunderstorm winds.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 04:05:00 to 29-JUN-12 04:05:00 (EST-5)
Location: PHOENIX
Magnitude: 52.00 EG
Reported by: Trained Spotter

Small branches were blown away.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 04:14:00 to 29-JUN-12 04:14:00 (EST-5)
Location: KINGSVILLE
Magnitude: 57.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Several trees and numerous branches were down.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:35:00 to 29-JUN-12 21:35:00 (EST-5)
Location: WESTMORE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 65 mph was measured.

Hail in FREDERICK, MARYLAND
From 29-JUN-12 21:32:00 to 29-JUN-12 21:32:00 (EST-5)
Location: FOUNTAIN MILLS
Magnitude: 1.25 
Reported by: Trained Spotter

Half dollar sized hail was reported.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:44:00 to 29-JUN-12 21:44:00 (EST-5)
Location: RADIANT VLY
Magnitude: 75.00 EG
Property damage: 5.00K
Reported by: Broadcast Media

A roof was partially torn off a seven story building.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:50:00 to 29-JUN-12 21:50:00 (EST-5)
Location: HIGH RIDGE
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Public

Several trees were down.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 04:16:00 to 29-JUN-12 04:16:00 (EST-5)
Location: UPPER FALLS
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Public

A tree fell down on Pfeffers Road.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 19:48:00 to 29-JUN-12 19:48:00 (EST-5)
Location: DETMOLD
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: 911 Call Center

Numerous trees were down across western Allegany County.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:02:00 to 29-JUN-12 20:02:00 (EST-5)
Location: FROSTBURG
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree three inches in diameter was down.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:02:00 to 29-JUN-12 20:02:00 (EST-5)
Location: BORDEN SHAFT
Magnitude: 57.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Multiple trees were down or uprooted.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:54:00 to 29-JUN-12 21:54:00 (EST-5)
Location: DODGE PARK
Magnitude: 66.00 MG
Reported by: Mesonet

A wind gust of 76 mph was measured near Seat Pleasant.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:55:00 to 29-JUN-12 21:55:00 (EST-5)
Location: FORESTVILLE
Magnitude: 59.00 MG
Reported by: AWOS

A wind gust of 68 mph was measured near Morningside.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:50:00 to 29-JUN-12 21:50:00 (EST-5)
Location: CALVERTON
Magnitude: 59.00 MG
Reported by: Mesonet

A wind gust of 68 mph was measured near Calverton.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:55:00 to 29-JUN-12 21:55:00 (EST-5)
Location: AMMENDALE
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 68 mph was measured.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:55:00 to 29-JUN-12 21:55:00 (EST-5)
Location: ARUNDEL
Magnitude: 53.00 MG
Reported by: Mesonet

A wind gust of 61 mph was measured.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:55:00 to 29-JUN-12 21:55:00 (EST-5)
Location: LAUREL
Magnitude: 53.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A wind gust of 61 mph was measured.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:05:00 to 29-JUN-12 20:05:00 (EST-5)
Location: ALLEGHANY GROVE
Magnitude: 61.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Numerous trees were down near La Vale.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:07:00 to 29-JUN-12 20:07:00 (EST-5)
Location: CUMBERLAND
Magnitude: 70.00 EG
Property damage: 50.00K
Reported by: Trained Spotter

Numerous trees were uprooted and several roofs were torn off.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 29-JUN-12 20:07:00 to 29-JUN-12 20:07:00 (EST-5)
Location: CUMBERLAND
Magnitude: 61.00 EG
Property damage: 10.00K
Reported by: Trained Spotter

A tree fell over a car on Hilltop Street.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 21:58:00 to 29-JUN-12 21:58:00 (EST-5)
Location: (ADW)ANDREWS AFB CAM
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Trees were down along Green Street and Woodyard Road and at Green Street and Perth Drive.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 22:00:00 to 29-JUN-12 22:00:00 (EST-5)
Location: CONTEE
Magnitude: 78.00 EG
Property damage: 25.00K
Reported by: Other Federal Agency

Several power poles were snapped. Homes lost shingles and blown out upper windows. Widespread tree damage was also reported.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 29-JUN-12 22:03:00 to 29-JUN-12 22:03:00 (EST-5)
Location: UPPER MARLBORO
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A large tree was down and a road sign was snapped by the wind.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 29-JUN-12 22:30:00 to 29-JUN-12 22:30:00 (EST-5)
Location: BEACHVILLE
Magnitude: 53.00 MG
Reported by: AWOS

A wind gust of 61 mph was measured near Saint Inigoes.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 29-JUN-12 22:34:00 to 29-JUN-12 22:34:00 (EST-5)
Location: PATUXENT RIVER
Magnitude: 54.00 MG
Property damage: 0.00K
Reported by: AWOS

A wind gust of 62 mph was measured at Patuxent River.

Thunderstorm Wind in ST. MARY'S, MARYLAND
From 29-JUN-12 22:38:00 to 29-JUN-12 22:38:00 (EST-5)
Location: ST JAMES
Magnitude: 57.00 EG
Property damage: 2.00K
Reported by: Trained Spotter

Trees were down across St. James Church Road.

Thunderstorm Wind in HOWARD, MARYLAND
From 29-JUN-12 21:58:00 to 29-JUN-12 21:58:00 (EST-5)
Location: DORSEY
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: NWS Employee

A chimney was broken off a home on Sandy Ridge Court.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:57:00 to 29-JUN-12 22:57:00 (EST-5)
Location: SEWELL
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was blocking a roadway near Belcamp.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:18:00 to 29-JUN-12 22:18:00 (EST-5)
Location: UPPER XRDS
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Trees and wires were down on Greene Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:23:00 to 29-JUN-12 22:23:00 (EST-5)
Location: ADY
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Trees were down near Scarboro.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:23:00 to 29-JUN-12 22:23:00 (EST-5)
Location: CASTLETON
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Trees were down along Shuresville Road near Conowingo Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:25:00 to 29-JUN-12 22:25:00 (EST-5)
Location: BYNUM
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Trees were down near Bynum.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:35:00 to 29-JUN-12 22:35:00 (EST-5)
Location: VALE
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Trees were down across Ipswich Drive.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:35:00 to 29-JUN-12 22:35:00 (EST-5)
Location: BENSON
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Large trees were down along the Bel Air Bypass.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:39:00 to 29-JUN-12 22:39:00 (EST-5)
Location: CALVARY
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was down on James Run Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:40:00 to 29-JUN-12 22:40:00 (EST-5)
Location: JOPPA
Magnitude: 57.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree was down on a townhouse along Plaza Circle.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:40:00 to 29-JUN-12 22:40:00 (EST-5)
Location: JOPPA
Magnitude: 52.00 EG
Crop damage: 0.00K
Reported by: Emergency Manager

Tree debris was on the roadway.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:45:00 to 29-JUN-12 22:45:00 (EST-5)
Location: EDGEWOOD
Magnitude: 57.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were down in Edgewood.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:48:00 to 29-JUN-12 22:48:00 (EST-5)
Location: OTTER PT
Magnitude: 57.00 EG
Property damage: 1.00K
Reported by: Emergency Manager

A tree was down on Laburnum Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:49:00 to 29-JUN-12 22:49:00 (EST-5)
Location: SEWELL
Magnitude: 57.00 EG
Property damage: 25.00K
Reported by: Emergency Manager

A tree fell into a townhouse along Pearson Place.

Thunderstorm Wind in HARFORD, MARYLAND
From 29-JUN-12 22:55:00 to 29-JUN-12 22:55:00 (EST-5)
Location: ABERDEEN ARPT
Magnitude: 57.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree fell onto Maryland Route 715.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:36:00 to 29-JUN-12 21:36:00 (EST-5)
Location: WASHINGTON GROVE
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

A tree fell onto the George Washington Parkway.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:26:00 to 29-JUN-12 21:26:00 (EST-5)
Location: CLARKSBURG
Magnitude: 61.00 EG
Property damage: 1.00K
Reported by: Public

A tree that was twelve inches in diameter fell into power lines between North Frederick Road and Stonehedge Street.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:35:00 to 29-JUN-12 21:35:00 (EST-5)
Location: AUTREY PARK
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Multiple trees were down near Rockville.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:39:00 to 29-JUN-12 21:39:00 (EST-5)
Location: BROOKEVILLE
Magnitude: 61.00 EG
Property damage: 5.00K
Reported by: Trained Spotter

Trees were down near Brookeville.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 29-JUN-12 21:39:00 to 29-JUN-12 21:39:00 (EST-5)
Location: BROOKEVILLE
Magnitude: 57.00 EG
Reported by: Trained Spotter

Limbs of varying size were on the roads.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 29-JUN-12 04:07:00 to 29-JUN-12 04:07:00 (EST-5)
Location: LONG GREEN
Magnitude: 57.00 EG
Reported by: Trained Spotter

Large branches about eight inches in diameter were blown down.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 29-JUN-12 21:08:00 to 29-JUN-12 21:08:00 (EST-5)
Location: MAUGANSVILLE
Magnitude: 57.00 EG
Property damage: 5.00K
Reported by: Emergency Manager

Numerous trees were down along with a few power lines.