A remnant outflow boundary triggered thunderstorms over the southwestern suburbs of DC (northern into east-central Virginia). A few of the thunderstorms became severe, including a significant severe thunderstorm near Fredericksburg/Massaponax, Virginia. Some of these thunderstorms affected the tidal Potomac River.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:27:00 to 24-AUG-20 16:27:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:35:00 to 24-AUG-20 16:40:00 (EST-5)
Location: MONROE CREEK (MON)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts of 34 to 36 knots (39 to 41 MPH) were measured by a buoy near Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:42:00 to 24-AUG-20 16:47:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 41.00 MG
Reported by: Buoy

Wind gusts of 34 to 41 knots (39 to 47 MPH) were measured by a buoy near Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:55:00 to 24-AUG-20 17:05:00 (EST-5)
Location: MONROE CREEK (MON)
Magnitude: 34.00 MG
Reported by: Buoy

Wind gusts to 34 knots (39 MPH) were measured by a buoy near Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 17:02:00 to 24-AUG-20 17:02:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 17:05:00 to 24-AUG-20 17:05:00 (EST-5)
Location: MONROE CREEK (MON)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Monroe Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 24-AUG-20 17:09:00 to 24-AUG-20 17:09:00 (EST-5)
Location: COBB POINT (COB)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Cobb Island.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 15:56:00 to 24-AUG-20 16:01:00 (EST-5)
Location: POTOMAC LIGHT 33 (LT3)
Magnitude: 40.00 MG
Reported by: Buoy

Wind gusts of 36 to 40 knots (41 to 46 MPH) were measured by a buoy near Potomac Light.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 15:58:00 to 24-AUG-20 16:03:00 (EST-5)
Location: BABER POINT (BAB)
Magnitude: 36.00 MG
Reported by: Buoy

Wind gusts of 34 to 36 knots (39 to 41 MPH) were measured by a buoy near Dahlgren (T70).

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:00:00 to 24-AUG-20 16:00:00 (EST-5)
Location: BABER POINT (BAB)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Dahlgren (NCDV2).

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:01:00 to 24-AUG-20 16:11:00 (EST-5)
Location: BABER POINT (BAB)
Magnitude: 39.00 MG
Reported by: Buoy

Wind gusts of 35 to 39 knots (40 to 45 MPH) were measured by a buoy near Baber Point.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:01:00 to 24-AUG-20 16:11:00 (EST-5)
Location: BABER POINT (BAB)
Magnitude: 43.00 MG
Reported by: Buoy

Wind gusts of 36 to 43 knots (41 to 49 MPH) were measured by a buoy near Dahlgren (PYL).

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:12:00 to 24-AUG-20 16:12:00 (EST-5)
Location: CUCKOLD CREEK (CCK)
Magnitude: 34.00 EG
Reported by: Buoy

A thunderstorm produced an estimated wind gust to 34 knots (39 MPH) near a buoy near Cuckold Creek.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 24-AUG-20 16:26:00 to 24-AUG-20 16:36:00 (EST-5)
Location: BABER POINT (BAB)
Magnitude: 38.00 MG
Reported by: Buoy

Wind gusts of 34 to 38 (39 to 44 MPH) knots were measured by a buoy near Dahlgren (PYL).