A potent cold front passed through the waters on the 25th. Southerly winds ahead of the boundary ushered in unusually warm and humid conditions for this time of year which led to some instability. A line of showers and thunderstorms developed, and this convection was able to pull down strong winds from aloft.

Marine Thunderstorm Wind in PATUXENT RIVER TO BROOMES ISLAND MD, ATLANTIC NORTH
From 25-FEB-17 16:33:00 to 25-FEB-17 16:33:00 (EST-5)
Location: PATUXENT RIVER BUOY (44044)
Magnitude: 35.00 MG
Reported by: AWOS

Wind gusts of 35 knots were reported at Patuxent River.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 25-FEB-17 16:48:00 to 25-FEB-17 16:48:00 (EST-5)
Location: POINT LOOKOUT (PTL)
Magnitude: 34.00 EG
Reported by: Buoy

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

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 25-FEB-17 16:56:00 to 25-FEB-17 16:56:00 (EST-5)
Location: LOWER HOOPERS ISLAND (HPR)
Magnitude: 34.00 EG
Reported by: Buoy

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

Marine Hail in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 25-FEB-17 15:32:00 to 25-FEB-17 15:32:00 (EST-5)
Location: POTOMAC RIVER BUOY (44067)
Magnitude: 0.75 
Reported by: Trained Spotter

Penny sized hail was reported in Deale.

Marine Hail in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 25-FEB-17 15:35:00 to 25-FEB-17 15:35:00 (EST-5)
Location: ROD N REEL CHESAPEAKE BEACH (CHSRL)
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail was reported at Chesapeake Beach.

Marine Hail in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 25-FEB-17 16:20:00 to 25-FEB-17 16:20:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 1.25 
Reported by: Trained Spotter

Half-dollar sized hail was reported at Redgate.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 25-FEB-17 16:09:00 to 25-FEB-17 16:09:00 (EST-5)
Location: NORTH BAY NORTH EAST MD (NRTBY)
Magnitude: 40.00 MG
Reported by: Buoy

Wind gusts of 40 knots were reported at North Bay.

Marine Hail in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 25-FEB-17 15:18:00 to 25-FEB-17 15:18:00 (EST-5)
Location: LAKELAND ES AND MS (BLTLK)
Magnitude: 0.75 
Reported by: Trained Spotter

Penny sized hail was reported at Brooklyn Park.

Marine Hail in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-FEB-17 14:56:00 to 25-FEB-17 15:04:00 (EST-5)
Location: CREEK ROAD (CRKM2)
Magnitude: 0.75 
Reported by: Trained Spotter

Penny sized hail was reported at Indian Head.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-FEB-17 14:47:00 to 25-FEB-17 14:58:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 50.00 MG
Reported by: ASOS

Wind gusts up to 50 knots were reported at Quantico.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 25-FEB-17 15:17:00 to 25-FEB-17 15:19:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 40.00 MG
Reported by: ASOS

Wind gusts up to 40 knots were reported at Reagan National Airport and Nationals Park.

Marine Hail in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-FEB-17 14:42:00 to 25-FEB-17 14:42:00 (EST-5)
Location: GRAHAM PARK MS (TRNGL)
Magnitude: 1.00 
Reported by: Trained Spotter

Quarter sized hail was reported nearby.

Marine Thunderstorm Wind in EASTERN BAY, ATLANTIC NORTH
From 25-FEB-17 16:18:00 to 25-FEB-17 16:18:00 (EST-5)
Location: US-50 (MD040)
Magnitude: 35.00 MG
Reported by: Mesonet

Wind gusts of 35 knots were reported at Prospect Bay.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 25-FEB-17 16:18:00 to 25-FEB-17 16:18:00 (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 CHOPTANK RIVER TO CAMBRIDGE MD AND THE LITTLE CHOPTANK RIVER, ATLANTIC NORTH
From 25-FEB-17 16:08:00 to 25-FEB-17 16:13:00 (EST-5)
Location: BLACKWALNUT HARBOR (BWH)
Magnitude: 47.00 MG
Reported by: Buoy

Wind gusts of 36 to 47 knots were reported at Black Walnut Harbor.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 25-FEB-17 15:48:00 to 25-FEB-17 15:48:00 (EST-5)
Location: BALTIMORE KEY BRIDGE (FSKM2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were reported Baltimore Key Bridge.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-FEB-17 15:49:00 to 25-FEB-17 15:54:00 (EST-5)
Location: GUNPOWDER (GUN)
Magnitude: 35.00 MG
Reported by: Buoy

A wind gust of 35 knots was reported at Gunpowder.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-FEB-17 15:52:00 to 25-FEB-17 15:57:00 (EST-5)
Location: HART MILLER ISLAND (HRT)
Magnitude: 35.00 MG
Reported by: Buoy

Wind gusts of 34 to 35 knots were reported at Hart Miller Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 25-FEB-17 16:06:00 to 25-FEB-17 16:06:00 (EST-5)
Location: TOLCHESTER MD (TCBM2)
Magnitude: 49.00 MG
Reported by: Buoy

Wind gusts of 49 knots were reported at Tolchester Beach.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 25-FEB-17 16:14:00 to 25-FEB-17 16:24:00 (EST-5)
Location: GROVE POINT (GVP)
Magnitude: 38.00 MG
Reported by: Buoy

Wind gusts up to 38 knots were reported at Grove Point.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 25-FEB-17 15:28:00 to 25-FEB-17 15:33:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 40.00 MG
Reported by: Buoy

Wind gusts of 37 to 40 knots were reported at Potomac Light.

Marine Thunderstorm Wind in PATUXENT RIVER TO BROOMES ISLAND MD, ATLANTIC NORTH
From 25-FEB-17 17:00:00 to 25-FEB-17 17:00:00 (EST-5)
Location: SOLOMONS ISLAND (SLIM2)
Magnitude: 35.00 EG
Reported by: Newspaper

A boat capsized resulting in a fatality.