A trough of low pressure combined with plenty of low-level moisture to produce moderate amounts of instability on the eleventh. The instability combined with a surface trough to trigger showers and thunderstorms. Some thunderstorms produced gusty winds over the waters.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 11-JUN-11 17:09:00 to 11-JUN-11 17:14:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 38.00 MG
Reported by: Mesonet

A wind gust of 38 knots was reported at Bishops Head.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 17:09:00 to 11-JUN-11 17:09:00 (EST-5)
Location: LOWER HOOPERS ISLAND
Magnitude: 35.00 MG
Reported by: Mesonet

A wind gust of 35 knots was reported at Lower Hoopers Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 16:34:00 to 11-JUN-11 16:34:00 (EST-5)
Location: PATUXENT RIVER ASOS
Magnitude: 43.00 MG
Reported by: ASOS

A wind gust of 43 knots was measured at Patuxent River.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 11-JUN-11 17:12:00 to 11-JUN-11 17:18:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 45.00 MG
Reported by: Mesonet

A wind gust of 45 knots was measured at Bishops Head.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 11-JUN-11 17:34:00 to 11-JUN-11 17:34:00 (EST-5)
Location: RACCOON POINT
Magnitude: 34.00 EG
Reported by: Mesonet

A wind gust in excess of 30 knots was measured at Raccoon Point.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 11-JUN-11 17:38:00 to 11-JUN-11 17:44:00 (EST-5)
Location: CRISFIELD
Magnitude: 41.00 MG
Reported by: Mesonet

Wind gusts up to 41 knots were reported at Crisfield.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 11-JUN-11 15:00:00 to 11-JUN-11 15:05:00 (EST-5)
Location: QUANTICO
Magnitude: 34.00 EG
Reported by: ASOS

Wind gusts in excess of 30 knots were reported at Quantico.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 11-JUN-11 15:40:00 to 11-JUN-11 15:50:00 (EST-5)
Location: CUCKOLD CREEK
Magnitude: 36.00 MG
Reported by: Mesonet

A wind gust of 36 knots was measured at Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 15:40:00 to 11-JUN-11 16:05:00 (EST-5)
Location: PINEY POINT
Magnitude: 45.00 MG
Reported by: Mesonet

Wind gusts up to 45 knots were reported at Cobb Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 15:55:00 to 11-JUN-11 15:55:00 (EST-5)
Location: PINEY POINT
Magnitude: 34.00 EG
Reported by: Trained Spotter

Wind gusts in excess of 30 knots were reported near Cobb Island.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 16:36:00 to 11-JUN-11 16:36:00 (EST-5)
Location: LEWISETTA
Magnitude: 46.00 MG
Reported by: Buoy

A wind gust of 46 knots was measured near Lewisetta.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 16:30:00 to 11-JUN-11 16:30:00 (EST-5)
Location: PINEY POINT
Magnitude: 34.00 EG
Reported by: Buoy

A wind gust in excess of 30 knots was reported at Piney Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 16:40:00 to 11-JUN-11 16:55:00 (EST-5)
Location: POINT LOOKOUT
Magnitude: 42.00 MG
Reported by: Mesonet

Wind gusts up to 42 knots were reported at Point Lookout.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 11-JUN-11 16:50:00 to 11-JUN-11 17:00:00 (EST-5)
Location: POTOMAC BUOY
Magnitude: 39.00 MG
Reported by: Buoy

Wind gusts up to 39 knots were reported at the Potomac Buoy.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 11-JUN-11 17:22:00 to 11-JUN-11 17:22:00 (EST-5)
Location: SMITH ISLAND
Magnitude: 45.00 MG
Reported by: Mesonet

A wind gust of 45 knots was measured at Smith Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 11-JUN-11 16:54:00 to 11-JUN-11 16:54:00 (EST-5)
Location: COVE POINT
Magnitude: 34.00 EG
Reported by: Buoy

A wind gust in excess of 30 knots was reported at Cove Point.

Marine Thunderstorm Wind in PATUXENT RIVER TO BROOMES ISLAND MD, ATLANTIC NORTH
From 11-JUN-11 16:36:00 to 11-JUN-11 16:36:00 (EST-5)
Location: CHESAPEAKE BIOLOGICAL LABORATORY
Magnitude: 34.00 EG
Reported by: Buoy

A wind gust in excess of 30 knots was reported near Solomons Island.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 11-JUN-11 15:25:00 to 11-JUN-11 15:30:00 (EST-5)
Location: BABAR POINT
Magnitude: 42.00 MG
Reported by: Mesonet

Wind gusts up 42 knots were reported at Baber Point.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 11-JUN-11 15:40:00 to 11-JUN-11 15:50:00 (EST-5)
Location: MONROE CREEK
Magnitude: 38.00 MG
Reported by: Mesonet

Wind gusts up to 38 knots were reported at Monroe Creek.