A negatively tilted trough and associated surface low tracked into Ohio. Warm, humid air streamed northward into the area in southerly flow well in advance of the low. A band of pre-frontal convection moved across the waters, transporting some of the high winds from aloft down to the surface.

Marine Thunderstorm Wind in EASTERN BAY, ATLANTIC NORTH
From 12-JAN-20 01:32:00 to 12-JAN-20 01:32:00 (EST-5)
Location: US-50 (MD040)
Magnitude: 35.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-JAN-20 01:05:00 to 12-JAN-20 01:35:00 (EST-5)
Location: PATUXENT RIVER ASOS (KNAK)
Magnitude: 34.00 MG
Reported by: Mesonet

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-JAN-20 00:43:00 to 12-JAN-20 01:13:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 36.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-JAN-20 00:48:00 to 12-JAN-20 00:51:00 (EST-5)
Location: QUANTICO (KNYG)
Magnitude: 36.00 MG
Reported by: AWOS

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 12-JAN-20 00:51:00 to 12-JAN-20 01:00:00 (EST-5)
Location: (DCA)REAGAN NATIONAL AIRPORT
Magnitude: 36.00 MG
Reported by: ASOS

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-JAN-20 00:53:00 to 12-JAN-20 01:13:00 (EST-5)
Location: MONROE CREEK (MON)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were observed at Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 12-JAN-20 00:55:00 to 12-JAN-20 01:20:00 (EST-5)
Location: GEORGE MASON ES (ALXD2)
Magnitude: 36.00 MG
Reported by: Mesonet

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 12-JAN-20 00:42:00 to 12-JAN-20 00:42:00 (EST-5)
Location: WASHINGTON DC (WASD2)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were observed in Washington Channel.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-JAN-20 01:14:00 to 12-JAN-20 01:14:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were observed at Cuckold Creek.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-JAN-20 01:01:00 to 12-JAN-20 01:26:00 (EST-5)
Location: GREENBERRY POINT (GBY)
Magnitude: 34.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-JAN-20 01:05:00 to 12-JAN-20 01:05:00 (EST-5)
Location: (KW29)BAY BRIDGE AIRPORT
Magnitude: 34.00 EG
Reported by: AWOS

Wind gusts in excess of 30 knots were observed at Bay Bridge Airport.

Marine Thunderstorm Wind in CHESAPEAKE BAY POOLES IS TO SANDY PT MD, ATLANTIC NORTH
From 12-JAN-20 01:26:00 to 12-JAN-20 01:26:00 (EST-5)
Location: HART MILLER ISLAND (HRT)
Magnitude: 34.00 EG
Reported by: Mesonet

Wind gusts in excess of 30 knots were observed at Hart Miller Island.

Marine Thunderstorm Wind in CHESAPEAKE BAY N OF POOLES IS MD, ATLANTIC NORTH
From 12-JAN-20 01:55:00 to 12-JAN-20 02:05:00 (EST-5)
Location: GROVE POINT (GVP)
Magnitude: 37.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 12-JAN-20 01:41:00 to 12-JAN-20 01:41:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 34.00 EG
Reported by: Buoy

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

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 12-JAN-20 01:48:00 to 12-JAN-20 02:06:00 (EST-5)
Location: PINEY POINT (PPTM2)
Magnitude: 35.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 12-JAN-20 02:06:00 to 12-JAN-20 02:06:00 (EST-5)
Location: POTOMAC POINT LOOKOUT BUOY (44042)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were observed at Potomac Point Lookout Buoy.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 12-JAN-20 01:24:00 to 12-JAN-20 01:48:00 (EST-5)
Location: LEWISETTA (LWS)
Magnitude: 34.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 12-JAN-20 01:24:00 to 12-JAN-20 01:48:00 (EST-5)
Location: LEWISETTA MD (LWTV2)
Magnitude: 34.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 12-JAN-20 02:00:00 to 12-JAN-20 02:00:00 (EST-5)
Location: THOMAS POINT (TPLM2)
Magnitude: 34.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in TANGIER SOUND AND THE INLAND WATERS SURROUNDING BLOODSWORTH ISLAND, ATLANTIC NORTH
From 12-JAN-20 02:18:00 to 12-JAN-20 02:36:00 (EST-5)
Location: BISHOPS HEAD (BISM2)
Magnitude: 34.00 EG
Reported by: Buoy

Gusts in excess of 30 knots were observed at Bishop's Head.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 12-JAN-20 02:08:00 to 12-JAN-20 02:08:00 (EST-5)
Location: POINT LOOKOUT (PTL)
Magnitude: 34.00 EG
Reported by: Buoy

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

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-JAN-20 00:30:00 to 12-JAN-20 00:40:00 (EST-5)
Location: LEESYLVANIA STATE PARK (LSLVN)
Magnitude: 36.00 MG
Reported by: Buoy

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 12-JAN-20 00:31:00 to 12-JAN-20 00:31:00 (EST-5)
Location: BABAR POINT (BAB)
Magnitude: 34.00 EG
Reported by: Buoy

Wind gusts in excess of 30 knots were observed at Pylons.