An upper level disturbance moved across the Ohio Valley into the Mid Atlantic during the early morning hours of July 22nd. Showers and thunderstorms developed along the leading edge of this system and moved across the Tidal Potomac River and Maryland Chesapeake Bay. Wind gusts of 35 to nearly 50 knots were reported.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 22-JUL-08 11:20:00 to 22-JUL-08 11:20:00 (EST-5)
Location: CRISFIELD
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Crisfield measured a wind gust of 39 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 22-JUL-08 11:19:00 to 22-JUL-08 11:27:00 (EST-5)
Location: RACCOON POINT
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Raccoon Point measured a wind gust of 35 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 22-JUL-08 09:16:00 to 22-JUL-08 09:32:00 (EST-5)
Location: RONALD REAGAN NATL ARPT
Magnitude: 44.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An automated observation at Reagan National Airport measured a wind gust of 44 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 22-JUL-08 10:36:00 to 22-JUL-08 10:36:00 (EST-5)
Location: PINEY POINT
Magnitude: 40.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A buoy at Piney Point measured a wind gust of 40 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY N BEACH TO DRUM PT MD, ATLANTIC NORTH
From 22-JUL-08 10:30:00 to 22-JUL-08 10:30:00 (EST-5)
Location: COVE POINT
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A buoy at Cove Point measured a wind gust of 43 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 22-JUL-08 09:29:00 to 22-JUL-08 09:29:00 (EST-5)
Location: RONALD REAGAN NATL ARPT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Washington Nationals Park measured a wind gust of 37 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 22-JUL-08 09:19:00 to 22-JUL-08 09:19:00 (EST-5)
Location: MASON NECK
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Mason Neck measured a wind gust of 38 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 22-JUL-08 10:59:00 to 22-JUL-08 10:59:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Bishops Head measured a wind gust of 49 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 22-JUL-08 10:30:00 to 22-JUL-08 10:30:00 (EST-5)
Location: CHESAPEAKE BIOLOGICAL LABORATORY
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A buoy at Solomons Island reported a wind gust in excess of 30 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 22-JUL-08 11:11:00 to 22-JUL-08 11:17:00 (EST-5)
Location: SMITH ISLAND
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Smith Island measured a wind gust of 38 knots.