Destabilization occurred west of the Blue Ridge with MLCAPE 1500-2000 J/Kg forming by the afternoon hours. Backing of winds also led to increased shear profiles, which combined with the increased instability produced isolated thunderstorms ahead of an approaching cold front and a line of showers and strong thunderstorms right along the line.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:19:00 to 08-JUN-15 16:19:00 (EST-5)
Location: LYLES-CROUCH ACADEMY ALEXANDRIA
Magnitude: 41.00 MG
Reported by: Mesonet

ALXD2 reported gusts of 41 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:20:00 to 08-JUN-15 16:20:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 45.00 MG
Reported by: ASOS

KDCA reported gusts of 45 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:20:00 to 08-JUN-15 16:20:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 34.00 EG
Reported by: Mesonet

ARLNN reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:24:00 to 08-JUN-15 16:24:00 (EST-5)
Location: WASHINGTON NATIONALS PARK
Magnitude: 34.00 EG
Reported by: Mesonet

WASD2 reported gusts between 33 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:25:00 to 08-JUN-15 16:25:00 (EST-5)
Location: WASHINGTON NATIONALS PARK
Magnitude: 34.00 EG
Reported by: Mesonet

WSHNP reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:30:00 to 08-JUN-15 16:30:00 (EST-5)
Location: WASHINGTON NATIONALS PARK
Magnitude: 34.00 EG
Reported by: Mesonet

PEPCO reported gusts between 33 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 19:14:00 to 08-JUN-15 19:14:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 34.00 EG
Reported by: ASOS

KDCA reported gusts between 31 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 19:54:00 to 08-JUN-15 19:54:00 (EST-5)
Location: WASHINGTON NATIONALS PARK
Magnitude: 34.00 MG
Reported by: Mesonet

PEPCO reported gusts of 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 08-JUN-15 20:10:00 to 08-JUN-15 20:10:00 (EST-5)
Location: PATAPSCO BUOY
Magnitude: 34.00 EG
Reported by: Buoy

Patapsco Buoy 44043 reported gusts between 33 and 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 08-JUN-15 20:24:00 to 08-JUN-15 20:24:00 (EST-5)
Location: STEVENSVILLE
Magnitude: 34.00 EG
Reported by: AWOS

KW29 reported gusts between 31 and 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 08-JUN-15 21:20:00 to 08-JUN-15 21:20:00 (EST-5)
Location: SUSQUEHANNA
Magnitude: 34.00 EG
Reported by: Buoy

Susquehanna Buoy 44057 reported gusts between 31 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 08-JUN-15 16:14:00 to 08-JUN-15 16:20:00 (EST-5)
Location: LYLES-CROUCH ACADEMY ALEXANDRIA
Magnitude: 34.00 MG
Reported by: Mesonet

ALXNK reported gusts between 31 and 34 knots.