A cold front moved through the region and a surface trough was located near the I-95 corridor. Southerly flow ahead of the cold front brought warm and humid conditions to the area. This led to instability and showers and thunderstorms formed near the pressure trough.

Thunderstorm Wind in BALTIMORE, MARYLAND
From 12-SEP-13 12:24:00 to 12-SEP-13 12:24:00 (EST-5)
Location: LUTZ HILL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Broadcast Media

There were several trees down in the 8000 Block of Philadelphia Road.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 12-SEP-13 13:36:00 to 12-SEP-13 13:36:00 (EST-5)
Location: EARLEIGH HGTS
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Fire Department/Rescue

There were trees down on Whites Road in Severna Park.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 12-SEP-13 13:36:00 to 12-SEP-13 13:36:00 (EST-5)
Location: PASADENA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Fire Department/Rescue

There were trees down near the intersection of Cypress Ridge Drive and Governor Ritchie Highway.

Thunderstorm Wind in ANNE ARUNDEL, MARYLAND
From 12-SEP-13 13:38:00 to 12-SEP-13 13:38:00 (EST-5)
Location: REVELL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: Trained Spotter

A five inch in diameter tree was reported uprooted blocking Baltimore Annapolis Boulevard at Address 802.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:00:00 to 12-SEP-13 15:00:00 (EST-5)
Location: ROCKVILLE
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: 911 Call Center

There were multiple reports of trees and wires down in Rockville.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:04:00 to 12-SEP-13 15:04:00 (EST-5)
Location: HUNTING HILL
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: Broadcast Media

There was a tree reported down blocking Omega Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:30:00 to 12-SEP-13 15:30:00 (EST-5)
Location: POTOMAC
Magnitude: 52.00 EG
Property damage: 3.00K
Crop damage: 1.00K
Reported by: 911 Call Center

There were multiple reports of trees down on wires and houses on Potomac.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:43:00 to 12-SEP-13 15:43:00 (EST-5)
Location: WOODHAVEN
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wires were reported down at the intersection of Johnson Avenue and Burley Drive.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:43:00 to 12-SEP-13 15:43:00 (EST-5)
Location: PARKWOOD
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Wires were reported down at the intersection of Connecticut Ave and Franklin Street.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:43:00 to 12-SEP-13 15:43:00 (EST-5)
Location: BETHESDA
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 1.00K
Reported by: Broadcast Media

There were trees reported down near the intersection of Bradley Boulevard and Goldsboro Road.

Thunderstorm Wind in MONTGOMERY, MARYLAND
From 12-SEP-13 15:52:00 to 12-SEP-13 15:52:00 (EST-5)
Location: KENSINGTON ESTATES
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 1.00K
Reported by: 911 Call Center

There were multiple reports of trees down and some were on wires.

Thunderstorm Wind in CARROLL, MARYLAND
From 12-SEP-13 15:47:00 to 12-SEP-13 15:47:00 (EST-5)
Location: CARROLLTON
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.25K
Reported by: 911 Call Center

There was a tree down near the intersection of Reese Road and Carrollton Road.