A strong cold front moved through the Mid Atlantic states June 10th afternoon and evening. Cooler and drier air behind the front clashed with very warm and moist air ahead of it, resulting in scattered to numerous strong to severe thunderstorms. Storms that became severe brought down trees and power lines across the state of Maryland. Frostburg in Allegany County recorded a 65 mph wind gust. Golf ball-sized hail was reported further east in Baltimore County, in Timonium.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 10-JUN-08 20:40:00 to 10-JUN-08 20:40:00 (EST-5)
Location: GREENBELT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported downed trees blocking roadways in Greenbelt.

Thunderstorm Wind in CARROLL, MARYLAND
From 10-JUN-08 16:41:00 to 10-JUN-08 16:41:00 (EST-5)
Location: SMALLWOOD
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Carroll County Emergency Management and law enforcement reported 100 trees down, with several on houses on Christy Drive.

Thunderstorm Wind in FREDERICK, MARYLAND
From 10-JUN-08 15:58:00 to 10-JUN-08 15:58:00 (EST-5)
Location: POINTS OF ROCKS
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported several trees down near the train station at Point of Rocks. One tree fell on a train.

Thunderstorm Wind in FREDERICK, MARYLAND
From 10-JUN-08 18:25:00 to 10-JUN-08 18:25:00 (EST-5)
Location: REELS MILL
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Frederick County Emergency Management reported trees uprooted and flattened north of Urbana. A local newspaper reported dozens of trees down on Ball Road.

Thunderstorm Wind in HARFORD, MARYLAND
From 10-JUN-08 17:15:00 to 10-JUN-08 17:15:00 (EST-5)
Location: UPPER XRDS
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a tree and power pole down at the intersection of Putnam Road and Route 165.

Thunderstorm Wind in HARFORD, MARYLAND
From 10-JUN-08 17:35:00 to 10-JUN-08 17:35:00 (EST-5)
Location: FOREST HILL
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported multiple trees down in the Forest Hill area.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:19:00 to 10-JUN-08 17:19:00 (EST-5)
Location: TIMONIUM
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees down on houses and business sign damage along York Road. There were also trees on several homes on Belfast Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:00:00 to 10-JUN-08 17:00:00 (EST-5)
Location: WHITE HALL
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported numerous trees and power lines down and blocking portions of White Hall Road.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:15:00 to 10-JUN-08 17:15:00 (EST-5)
Location: LONG GREEN
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported a tree fell on a car at the intersection of Dulaney Valley Road and Loch Raven Drive, trapping the driver in the car for 15 minutes.

Thunderstorm Wind in CARROLL, MARYLAND
From 10-JUN-08 16:41:00 to 10-JUN-08 16:41:00 (EST-5)
Location: GAMBER
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported multiple trees down along Klee Mill Road between Routes 32 and 26.

Thunderstorm Wind in CARROLL, MARYLAND
From 10-JUN-08 16:50:00 to 10-JUN-08 16:50:00 (EST-5)
Location: LAWNDALE
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Unknown

Around 20 trees were downed southwest of Upperco.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:00:00 to 10-JUN-08 17:00:00 (EST-5)
Location: BROOKLANDVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Public

Several small trees and large metal stands were blown over at Meadowood Regional Park.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:05:00 to 10-JUN-08 17:05:00 (EST-5)
Location: BENTLEY SPGS
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Baltimore County Emergency Management reported multiple trees and power lines down in northern portions of the county.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:15:00 to 10-JUN-08 17:15:00 (EST-5)
Location: RIDERWOOD
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Baltimore County Emergency Management reported a tree down on a house on Carrbridge Court.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:20:00 to 10-JUN-08 17:20:00 (EST-5)
Location: COCKEYSVILLE
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Baltimore County Emergency Management reported trees down on homes in Cockeysville.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:14:00 to 10-JUN-08 17:14:00 (EST-5)
Location: WHITEHOUSE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported trees down 5 miles west of Route 83.

Thunderstorm Wind in PRINCE GEORGE'S, MARYLAND
From 10-JUN-08 20:11:00 to 10-JUN-08 20:11:00 (EST-5)
Location: RIVERDALE
Magnitude: 50.00 EG
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported a downed tree on a house and car near the intersection of 40th Avenue and Livingston Street in Hyattsville.

Hail in BALTIMORE, MARYLAND
From 10-JUN-08 17:20:00 to 10-JUN-08 17:23:00 (EST-5)
Location: COCKEYSVILLE
Magnitude: 0.88 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Baltimore County Emergency Management reported several windows broken due to nickel-sized hail.

Hail in BALTIMORE, MARYLAND
From 10-JUN-08 17:19:00 to 10-JUN-08 17:20:00 (EST-5)
Location: ASHLAND
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Baltimore County Emergency Management reported penny-sized hail in Hunt Valley.

Hail in BALTIMORE, MARYLAND
From 10-JUN-08 17:15:00 to 10-JUN-08 17:17:00 (EST-5)
Location: LUTHERVILLE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter-sized hail in Lutherville.

Hail in BALTIMORE, MARYLAND
From 10-JUN-08 17:19:00 to 10-JUN-08 17:19:00 (EST-5)
Location: TIMONIUM
Magnitude: 1.75 
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported golf ball-sized hail in Timonium. Minor siding damage was reported on Belfast Road.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 10-JUN-08 15:15:00 to 10-JUN-08 15:17:00 (EST-5)
Location: FROSTBURG
Magnitude: 50.00 EG
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter as well as local newspapers reported trees and power lines down in the Frostburg area.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 10-JUN-08 15:21:00 to 10-JUN-08 15:21:00 (EST-5)
Location: FROSTBURG
Magnitude: 56.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Frostburg State University measured a wind gust of 65 MPH.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 10-JUN-08 15:20:00 to 10-JUN-08 15:23:00 (EST-5)
Location: MT SAVAGE
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Allegany County Emergency Management reported approximately 30 trees down in the Mount Savage area. Numerous power lines were also downed and one shed collapsed.

Thunderstorm Wind in ALLEGANY, MARYLAND
From 10-JUN-08 15:15:00 to 10-JUN-08 15:15:00 (EST-5)
Location: ECKHART MINES
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported trees and wired down in Clarysville.

Thunderstorm Wind in HARFORD, MARYLAND
From 10-JUN-08 16:41:00 to 10-JUN-08 16:41:00 (EST-5)
Location: MADONNA
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported Madonna Road closed with downed trees and power lines.

Thunderstorm Wind in HOWARD, MARYLAND
From 10-JUN-08 19:50:00 to 10-JUN-08 19:50:00 (EST-5)
Location: CLARKSVILLE
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Howard County 911 Center reported trees down in Columbia.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 10-JUN-08 19:33:00 to 10-JUN-08 19:33:00 (EST-5)
Location: BROOKEVILLE
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported a line down on Brookville Avenue west of Georgia Avenue.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 10-JUN-08 19:15:00 to 10-JUN-08 19:15:00 (EST-5)
Location: SILVER SPG
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported trees down in Silver Spring.

Hail in BALTIMORE, MARYLAND
From 10-JUN-08 17:25:00 to 10-JUN-08 17:25:00 (EST-5)
Location: LONG GREEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported penny-sized hail in Long Green.

Hail in CARROLL, MARYLAND
From 10-JUN-08 16:36:00 to 10-JUN-08 16:36:00 (EST-5)
Location: MT AIRY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported nickel-sized hail in Mount Airy.

Hail in FREDERICK, MARYLAND
From 10-JUN-08 18:25:00 to 10-JUN-08 18:35:00 (EST-5)
Location: REELS MILL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported penny-sized hail on Ball Road.

Hail in HARFORD, MARYLAND
From 10-JUN-08 17:19:00 to 10-JUN-08 17:19:00 (EST-5)
Location: UPPER XRDS
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter-sized hail near Putnam Road and Route 165.

Hail in HARFORD, MARYLAND
From 10-JUN-08 17:35:00 to 10-JUN-08 17:35:00 (EST-5)
Location: FOREST HILL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported quarter-sized hail near Friends Park.

Hail in MONTGOMERY, MARYLAND
From 10-JUN-08 19:20:00 to 10-JUN-08 19:20:00 (EST-5)
Location: ROCKVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter reported penny-sized hail north of Bethesda.

Lightning in FREDERICK, MARYLAND
From 10-JUN-08 19:00:00 to 10-JUN-08 19:00:00 (EST-5)
Location: MONROVIA
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Newspaper

A local newspaper reported a lightning-sparked basement fire on Kemptown Court in New Market.

Funnel Cloud in HARFORD, MARYLAND
From 10-JUN-08 17:36:00 to 10-JUN-08 17:36:00 (EST-5)
Location: BEL AIR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A trained spotter, as well as local newspapers, reported several funnel clouds in Fallston.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 10-JUN-08 17:15:00 to 10-JUN-08 17:15:00 (EST-5)
Location: LUTHERVILLE
Magnitude: 50.00 EG
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Baltimore County Emergency Management reported a home severely damaged in Lutherville. It was declared unsafe for living with a large tree through the roof that was pushing the side walls out.

Thunderstorm Wind in CARROLL, MARYLAND
From 10-JUN-08 16:45:00 to 10-JUN-08 16:45:00 (EST-5)
Location: FINKSBURG
Magnitude: 50.00 EG
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Carroll County Emergency Management reported trees through houses on Ridgemont Drive and in the Finksburg area.