A slow moving cold front moved towards the Mid Atlantic Coast on July 23rd. This front provided the focus for scattered to numerous showers and thunderstorms to develop during the afternoon and evening hours. Some storms became severe and produced wind gusts of 30 to 50 knots over the Tidal Potomac River and Maryland Chesapeake Bay.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 23-JUL-08 15:58:00 to 23-JUL-08 16:03:00 (EST-5)
Location: CRISFIELD
Magnitude: 49.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

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

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 23-JUL-08 17:06:00 to 23-JUL-08 17:42:00 (EST-5)
Location: CHESAPEAKE BIOLOGICAL LABORATORY
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A buoy at Solomons Island measured a wind gust of 35 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC KEY BRIDGE TO INDIAN HD MD, ATLANTIC NORTH
From 23-JUL-08 19:53:00 to 23-JUL-08 19:59:00 (EST-5)
Location: RONALD REAGAN NATL ARPT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

An automated observation at Reagan National Airport measured a wind gust of 38 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 23-JUL-08 19:12:00 to 23-JUL-08 19:21:00 (EST-5)
Location: QUANTICO
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

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

Marine Thunderstorm Wind in TIDAL POTOMAC COBB IS MD TO SMITH PT VA, ATLANTIC NORTH
From 23-JUL-08 17:08:00 to 23-JUL-08 17:14:00 (EST-5)
Location: ST INIGOES
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at St. Inigoes measured a wind gust of 38 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 23-JUL-08 18:48:00 to 23-JUL-08 19:14:00 (EST-5)
Location: KENT ISLAND
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Kent Island reported a wind gust in excess of 30 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 23-JUL-08 18:23:00 to 23-JUL-08 18:23:00 (EST-5)
Location: CUCKOLD CREEK
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Cuckold Creek reported a wind gust in excess of 30 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY DRUM PT TO SMITH PT VA, ATLANTIC NORTH
From 23-JUL-08 16:20:00 to 23-JUL-08 16:41:00 (EST-5)
Location: BISHOPS HEAD
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Bishops Head measured a wind gust of 37 knots.

Marine Thunderstorm Wind in TIDAL POTOMAC INDIAN HD TO COBB IS MD, ATLANTIC NORTH
From 23-JUL-08 18:37:00 to 23-JUL-08 18:37:00 (EST-5)
Location: POTOMAC LIGHT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An automated observation at Potomac Light measured a wind gust of 34 knots.

Marine Thunderstorm Wind in CHESAPEAKE BAY SANDY PT TO N BEACH MD, ATLANTIC NORTH
From 23-JUL-08 18:59:00 to 23-JUL-08 18:59:00 (EST-5)
Location: THOMAS POINT LIGHT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

A buoy at Thomas Point measured a wind gust of 34 knots.