A cold front slowly approached and moved south through the Mid Atlantic late in the day. Ahead of the front, southerly flow ushered in a warm and moisture air mass, resulting in MLCAPE values between 1000-1500 J/kg with marginal shear. Numerous showers and thunderstorms with embedded severe formed to the southwest and progressed to the northeast prior to the cold frontal passage.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 01-JUN-15 16:42:00 to 01-JUN-15 16:42:00 (EST-5)
Location: THOMAS POINT LIGHT
Magnitude: 34.00 EG
Reported by: C-MAN Station

TPLM2 reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 17:28:00 to 01-JUN-15 17:34:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 38.00 MG
Reported by: ASOS

KDCA reported gusts between 34 and 38 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 13:34:00 to 01-JUN-15 13:39:00 (EST-5)
Location: PINEY POINT
Magnitude: 34.00 MG
Reported by: Mesonet

COB reported gusts between 33 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 14:12:00 to 01-JUN-15 14:18:00 (EST-5)
Location: PINEY POINT
Magnitude: 34.00 EG
Reported by: Mesonet

PPTM2 reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 14:35:00 to 01-JUN-15 14:40:00 (EST-5)
Location: PATUXENT RIVER ASOS
Magnitude: 47.00 MG
Reported by: ASOS

KNHK reported gusts between 41 and 47 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 15:20:00 to 01-JUN-15 15:20:00 (EST-5)
Location: WASHINGTON NATIONALS PARK
Magnitude: 34.00 MG
Reported by: Mesonet

GWUGD reported gusts of 34 knots.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 01-JUN-15 16:12:00 to 01-JUN-15 16:18:00 (EST-5)
Location: RIVIERA BEACH
Magnitude: 34.00 MG
Reported by: Mesonet

FSKM2 reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 01-JUN-15 16:24:00 to 01-JUN-15 16:24:00 (EST-5)
Location: ANNAPOLIS
Magnitude: 41.00 MG
Reported by: ASOS

KNAK reported gusts of 41 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 01-JUN-15 16:42:00 to 01-JUN-15 16:47:00 (EST-5)
Location: TOLLY POINT
Magnitude: 49.00 MG
Reported by: Mesonet

TOL reported gusts between 47 to 49 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 17:04:00 to 01-JUN-15 17:14:00 (EST-5)
Location: PINEY POINT
Magnitude: 44.00 MG
Reported by: Mesonet

COB reported gusts between 33 to 44 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 01-JUN-15 17:10:00 to 01-JUN-15 17:10:00 (EST-5)
Location: CUCKOLD CREEK
Magnitude: 34.00 EG
Reported by: Mesonet

CCK reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 17:19:00 to 01-JUN-15 17:19:00 (EST-5)
Location: WEST POTOMAC HIGH SCHOOL
Magnitude: 43.00 MG
Reported by: Mesonet

ALEXD reported gusts of 43 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 17:24:00 to 01-JUN-15 17:39:00 (EST-5)
Location: LYLES-CROUCH ACADEMY ALEXANDRIA
Magnitude: 34.00 MG
Reported by: Mesonet

ALXNK reported gusts of 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 17:30:00 to 01-JUN-15 17:30:00 (EST-5)
Location: LYLES-CROUCH ACADEMY ALEXANDRIA
Magnitude: 34.00 EG
Reported by: Mesonet

ALXCM reported gusts between 31 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 17:39:00 to 01-JUN-15 17:39:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 35.00 MG
Reported by: Mesonet

ALXNC reported gusts of 35 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 01-JUN-15 17:40:00 to 01-JUN-15 17:40:00 (EST-5)
Location: MID BAY BUOY
Magnitude: 47.00 MG
Reported by: Buoy

Goose Reef Buoy 44062 reported gusts of 47 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 01-JUN-15 17:42:00 to 01-JUN-15 17:48:00 (EST-5)
Location: WASHINGTON NATIONALS PARK
Magnitude: 34.00 EG
Reported by: Mesonet

WASD2 reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 17:48:00 to 01-JUN-15 17:48:00 (EST-5)
Location: PINEY POINT
Magnitude: 36.00 MG
Reported by: Mesonet

PPTM2 reported gusts of 36 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 01-JUN-15 17:50:00 to 01-JUN-15 17:50:00 (EST-5)
Location: SUSQUEHANNA
Magnitude: 39.00 MG
Reported by: Buoy

Susquehanna buoy 44057 reported gusts of 39 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 18:05:00 to 01-JUN-15 18:05:00 (EST-5)
Location: POINT LOOKOUT
Magnitude: 34.00 EG
Reported by: Mesonet

PTL reported gusts between 31 and 34 knots.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 01-JUN-15 18:42:00 to 01-JUN-15 18:48:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 34.00 MG
Reported by: Mesonet

BISM2 reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 01-JUN-15 18:44:00 to 01-JUN-15 18:44:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 35.00 MG
Reported by: Mesonet

BHD reported gusts of 35 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 01-JUN-15 19:00:00 to 01-JUN-15 19:00:00 (EST-5)
Location: MID BAY BUOY
Magnitude: 43.00 MG
Reported by: Buoy

Goose Reef Buoy 44062 reported gusts of 43 knots.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 01-JUN-15 19:29:00 to 01-JUN-15 19:29:00 (EST-5)
Location: CRISFIELD
Magnitude: 34.00 EG
Reported by: Coast Guard

CRS reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 01-JUN-15 20:40:00 to 01-JUN-15 20:40:00 (EST-5)
Location: SUSQUEHANNA
Magnitude: 35.00 MG
Reported by: Buoy

Susquehanna buoy 44057 reported gusts of 35 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 20:39:00 to 01-JUN-15 20:39:00 (EST-5)
Location: PINEY POINT
Magnitude: 34.00 EG
Reported by: Mesonet

COB reported gusts between 31 to 34 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 01-JUN-15 21:12:00 to 01-JUN-15 21:12:00 (EST-5)
Location: PINEY POINT
Magnitude: 34.00 EG
Reported by: Mesonet

PPTM2 reported gusts between 32 and 34 knots.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 01-JUN-15 22:03:00 to 01-JUN-15 22:03:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 35.00 MG
Reported by: Mesonet

BHD reported gusts of 35 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 02-JUN-15 01:40:00 to 02-JUN-15 01:40:00 (EST-5)
Location: MID BAY BUOY
Magnitude: 35.00 MG
Reported by: Buoy

Goose Reef Buoy 44062 reported gusts of 35 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 01-JUN-15 17:05:00 to 01-JUN-15 17:05:00 (EST-5)
Location: KENT ISLAND
Magnitude: 38.00 MG
Reported by: Mesonet

KNT reported gusts of 38 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 01-JUN-15 16:32:00 to 01-JUN-15 16:37:00 (EST-5)
Location: GREENBERRY POINT
Magnitude: 39.00 MG
Reported by: Mesonet

GBY reported gusts between 31 and 39 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 01-JUN-15 16:48:00 to 01-JUN-15 17:06:00 (EST-5)
Location: TOLCHESTER BEACH
Magnitude: 38.00 MG
Reported by: Mesonet

TCBM2 reported gusts between 32 to 38 knots.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 01-JUN-15 21:34:00 to 01-JUN-15 22:19:00 (EST-5)
Location: CRISFIELD
Magnitude: 34.00 EG
Reported by: Coast Guard

CRS reported gusts between 32 and 34 knots.