A strong cold front moved through the Mid Atlantic. Southerly flow ahead of the frontal boundary led to increased instability. Showers and thunderstorms formed along a pre-frontal trough east of the Blue Ridge. Some storms were capable of damaging winds and large hail.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 27-MAY-14 19:15:00 to 27-MAY-14 19:45:00 (EST-5)
Location: BABAR POINT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 31-40 knots were measured at Baber Point.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 27-MAY-14 19:18:00 to 27-MAY-14 19:48:00 (EST-5)
Location: COVE POINT
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 31-39 knots were measured at Cove Point.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 27-MAY-14 19:45:00 to 27-MAY-14 19:50:00 (EST-5)
Location: MONROE CREEK
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 34-35 knots were measured at Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 27-MAY-14 20:06:00 to 27-MAY-14 20:12:00 (EST-5)
Location: PINEY POINT
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 33-43 knots were measured at Piney Point.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 27-MAY-14 20:24:00 to 27-MAY-14 20:24:00 (EST-5)
Location: LEWISETTA
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 35 knots were measured at Lewisetta.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 27-MAY-14 17:01:00 to 27-MAY-14 17:01:00 (EST-5)
Location: GUNPOWDER FALLS STATE PARK
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 31 knots were measured at North Bay.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 27-MAY-14 18:05:00 to 27-MAY-14 18:08:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gusts of 36-37 knots were measured at Reagan National Airport.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 27-MAY-14 18:10:00 to 27-MAY-14 18:10:00 (EST-5)
Location: LYLES-CROUCH ACADEMY ALEXANDRIA
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

Wind gusts of 31 knots were measured at Upper Potomac Buoy.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 27-MAY-14 18:31:00 to 27-MAY-14 18:31:00 (EST-5)
Location: LYLES-CROUCH ACADEMY ALEXANDRIA
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 35 knots were measured at Lyles-Crouch Academy.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 27-MAY-14 18:53:00 to 27-MAY-14 19:16:00 (EST-5)
Location: QUANTICO
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Wind gusts of 34-38 knots were measured at Quantico.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 27-MAY-14 20:30:00 to 27-MAY-14 20:40:00 (EST-5)
Location: POTOMAC BUOY
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

Wind gusts of 31-35 knots were measured at CBIBS Potomac Point Lookout Buoy.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 27-MAY-14 20:35:00 to 27-MAY-14 20:35:00 (EST-5)
Location: POINT LOOKOUT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 34 knots were measured at Point Lookout.

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 27-MAY-14 20:44:00 to 27-MAY-14 20:44:00 (EST-5)
Location: CRISFIELD
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 34 knots were measured at Crisfield.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 27-MAY-14 13:00:00 to 27-MAY-14 13:06:00 (EST-5)
Location: RIVIERA BEACH
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 32 knots were measured at Baltimore Key Bridge.

Marine Thunderstorm Wind in PATAPSCO RIVER INCLUDING BALTIMORE HARBOR, ATLANTIC NORTH
From 27-MAY-14 16:48:00 to 27-MAY-14 16:48:00 (EST-5)
Location: BALTIMORE CITY
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 31 knots were measured at Baltimore.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 27-MAY-14 16:50:00 to 27-MAY-14 16:50:00 (EST-5)
Location: SUSQUEHANNA
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

Wind gusts of 33 knots were measured at CBIBS Susquehanna River Buoy.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 27-MAY-14 20:51:00 to 27-MAY-14 20:51:00 (EST-5)
Location: SMITH ISLAND
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gusts of 31 knots were measured at Smith Island.