Scattered thunderstorms formed overnight as a weak cold front sunk south of the Mason-Dixon. Theta-e ridge axis aligned over Central MD and south into VA allowed for instability to increase overnight, with storms becoming more numerous with a nearly easterly movement.

Thunderstorm Wind in FREDERICK, MARYLAND
From 04-AUG-15 03:24:00 to 04-AUG-15 03:24:00 (EST-5)
Location: ADAMSTOWN
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down blocking the 5100 block of Doubs Rd.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 04-AUG-15 03:37:00 to 04-AUG-15 03:37:00 (EST-5)
Location: CEDAR GROVE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down at the intersection of Kings Valley Rd and Hailey Dr.

Thunderstorm Wind in FREDERICK, MARYLAND
From 04-AUG-15 03:38:00 to 04-AUG-15 03:38:00 (EST-5)
Location: FOUNTAIN MILLS
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Multiple trees and wires were reported down at Windsor Rd and Brownigsville Rd.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 04-AUG-15 03:39:00 to 04-AUG-15 03:39:00 (EST-5)
Location: CEDAR GROVE
Magnitude: 51.00 MG
Reported by: Mesonet

Thunderstorm Wind in FREDERICK, MARYLAND
From 04-AUG-15 03:44:00 to 04-AUG-15 03:44:00 (EST-5)
Location: KEMPTOWN
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

Multiple wires were reported down on the 3800 block of Purdum Dr.

Thunderstorm Wind in HOWARD, MARYLAND
From 04-AUG-15 03:50:00 to 04-AUG-15 03:50:00 (EST-5)
Location: DAISY
Magnitude: 52.00 EG
Property damage: 2.00K
Reported by: 911 Call Center

Multiple trees were reported down on wires along the 4000 block of Jennings Chapel Rd.

Thunderstorm Wind in HOWARD, MARYLAND
From 04-AUG-15 04:07:00 to 04-AUG-15 04:07:00 (EST-5)
Location: PINE ORCHARD
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was down, blocking the 10200 block of Globe Dr.

Hail in HOWARD, MARYLAND
From 04-AUG-15 04:08:00 to 04-AUG-15 04:08:00 (EST-5)
Location: JONESTOWN
Magnitude: 1.25 
Reported by: Public

Reported along Cambria Terrace.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 04-AUG-15 01:21:00 to 04-AUG-15 01:21:00 (EST-5)
Location: FAIRVIEW
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down, partially blocking the 14000 block of Rockdale Rd.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 04-AUG-15 01:28:00 to 04-AUG-15 01:28:00 (EST-5)
Location: MAUGANSVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down and blocking the southbound lanes on Interstate 81 near mile marker 9.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 04-AUG-15 01:31:00 to 04-AUG-15 01:31:00 (EST-5)
Location: PARAMT
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down and blocking Longmeadow Rd.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 04-AUG-15 01:37:00 to 04-AUG-15 01:37:00 (EST-5)
Location: LEITERSBURG
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down blocking the 13000 block of Brookline Dr.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 04-AUG-15 01:40:00 to 04-AUG-15 01:40:00 (EST-5)
Location: EDGEMONT
Magnitude: 54.00 MG
Reported by: Public

Reported by Jim the Weather Guy.

Thunderstorm Wind in WASHINGTON, MARYLAND
From 04-AUG-15 01:42:00 to 04-AUG-15 01:42:00 (EST-5)
Location: EDGEMONT
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: 911 Call Center

A tree was reported down, blocking a portion of Edgemont Rd.

Thunderstorm Wind in CARROLL, MARYLAND
From 04-AUG-15 02:11:00 to 04-AUG-15 02:11:00 (EST-5)
Location: PIPE CREEK MILL
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Department of Highways

A tree with an 18 inch diameter was reported down across the road at the intersection of Ruggles Rd and MD 194.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 04-AUG-15 02:45:00 to 04-AUG-15 02:45:00 (EST-5)
Location: WEST LIBERTY
Magnitude: 52.00 EG
Property damage: 1.00K
Reported by: Trained Spotter

Multiple 6 to 8 inch in diameter trees were reported down. Reported by spotter ID BL145.

Hail in HOWARD, MARYLAND
From 04-AUG-15 04:05:00 to 04-AUG-15 04:05:00 (EST-5)
Location: GUILFORD
Magnitude: 1.00 
Reported by: Trained Spotter