A southwest flow caused hot and humid conditions over the area. A pressure trough triggered showers and thunderstorms, and some produced gusty winds due to the unstable atmosphere.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 15-AUG-16 18:10:00 to 15-AUG-16 18:40:00 (EST-5)
Location: PATAPSCO BUOY (44043)
Magnitude: 46.00 MG
Reported by: Buoy

A wind gust of 46 knots was reported.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 15-AUG-16 18:09:00 to 15-AUG-16 18:10:00 (EST-5)
Location: GREENBERRY POINT (GBY)
Magnitude: 35.00 MG
Reported by: Buoy

A wind gust of 35 knots was reported at Greenberry Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 15-AUG-16 18:11:00 to 15-AUG-16 18:16:00 (EST-5)
Location: TOLLY POINT (TOL)
Magnitude: 40.00 MG
Reported by: Buoy

Wind gusts up to 40 knots were reported.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 15-AUG-16 18:12:00 to 15-AUG-16 18:12:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 15-AUG-16 18:15:00 to 15-AUG-16 18:20:00 (EST-5)
Location: KENT ISLAND (KNT)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Kent Island.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 15-AUG-16 18:26:00 to 15-AUG-16 18:51:00 (EST-5)
Location: MONROE CREEK (MON)
Magnitude: 42.00 MG
Reported by: Buoy

Wind gusts up to 42 knots were reported at Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 15-AUG-16 18:37:00 to 15-AUG-16 18:39:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 41.00 MG
Reported by: AWOS

Wind gusts up to 41 knots were reported at Quantico.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 15-AUG-16 18:42:00 to 15-AUG-16 18:57:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 37.00 MG
Reported by: Buoy

Wind gusts up to 37 knots were reported at Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 15-AUG-16 18:43:00 to 15-AUG-16 18:58:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 47.00 MG
Reported by: Buoy

Wind gusts up to 47 knots were reported at Cobb Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 15-AUG-16 19:03:00 to 15-AUG-16 19:28:00 (EST-5)
Location: GROVE POINT (GVP)
Magnitude: 41.00 MG
Reported by: Buoy

Wind gusts up to 41 knots were reported at Grove Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 15-AUG-16 19:24:00 to 15-AUG-16 19:24:00 (EST-5)
Location: NORTH BAY NORTH EAST MD (NRTBY)
Magnitude: 37.00 MG
Reported by: Buoy

Wind gusts of 37 knots were reported.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 15-AUG-16 19:34:00 to 15-AUG-16 19:34:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 35.00 MG
Reported by: ASOS

A wind gust of 35 knots was reported at Reagan National.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 15-AUG-16 21:33:00 to 15-AUG-16 21:38:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Cobb Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 15-AUG-16 21:48:00 to 15-AUG-16 22:00:00 (EST-5)
Location: PINEY POINT (PPTM2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Piney Point.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 15-AUG-16 22:39:00 to 15-AUG-16 23:19:00 (EST-5)
Location: RACCOON POINT (RAC)
Magnitude: 34.00 MG
Reported by: Buoy

A wind gust of 34 knots was reported at Raccoon Point.

Marine Thunderstorm Wind in CHESTER RIVER TO QUEENSTOWN MD, ATLANTIC NORTH
From 15-AUG-16 21:00:00 to 15-AUG-16 21:45:00 (EST-5)
Location: ROCK HALL ES (RKHAL)
Magnitude: 45.00 EG
Reported by: Newspaper

A boat capsized around 9 pm. Three people went into the water. One fatality was reported and the other two were rescued.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 15-AUG-16 18:54:00 to 15-AUG-16 19:09:00 (EST-5)
Location: LEESYLVANIA STATE PARK (LSLVN)
Magnitude: 68.00 MG
Reported by: Buoy

Wind gusts up to 68 knots were reported at Occaquon.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 15-AUG-16 22:57:00 to 15-AUG-16 22:57:00 (EST-5)
Location: BISHOPS HEAD (BISM2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported at Bishops Head.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 15-AUG-16 23:24:00 to 15-AUG-16 23:24:00 (EST-5)
Location: CRISFIELD CG (CRS)
Magnitude: 34.00 EG
Reported by: Buoy

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