A strong upper level disturbance moved over Southern New England producing isolated to scattered strong thunderstorms over the coastal waters.

Marine Thunderstorm Wind in MASSACHUSETTS BAY AND IPSWICH BAY, ATLANTIC NORTH
From 29-SEP-11 17:55:00 to 29-SEP-11 18:00:00 (EST-5)
Location: PLUM ISLAND
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Plum Island recorded wind gusts to 40 mph (35 knots).

Marine Thunderstorm Wind in BOSTON HARBOR, ATLANTIC NORTH
From 29-SEP-11 17:38:00 to 29-SEP-11 17:43:00 (EST-5)
Location: NAHANT
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Dread Ledge recorded wind gusts to 41 mph (36 knots).

Marine Thunderstorm Wind in MASSACHUSETTS BAY AND IPSWICH BAY, ATLANTIC NORTH
From 29-SEP-11 17:38:00 to 29-SEP-11 17:43:00 (EST-5)
Location: MARBLEHEAD NECK
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Dread Ledge recorded wind gusts to 41 mph (36 knots).

Marine Thunderstorm Wind in BOSTON HARBOR, ATLANTIC NORTH
From 29-SEP-11 17:26:00 to 29-SEP-11 17:37:00 (EST-5)
Location: BOSTON LIGHT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Automated Surface Observing Station at Logan International Airport (KBOS) recorded wind gusts to 44 mph (38 knots).

Marine Thunderstorm Wind in BOSTON HARBOR, ATLANTIC NORTH
From 29-SEP-11 17:34:00 to 29-SEP-11 17:34:00 (EST-5)
Location: BOSTON LIGHT
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Deer Island recorded wind gusts to 45 mph (39 knots).

Marine Thunderstorm Wind in CAPE COD BAY, ATLANTIC NORTH
From 29-SEP-11 18:02:00 to 29-SEP-11 18:02:00 (EST-5)
Location: BARNSTABLE HARBOR
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Chapin recorded wind gusts to 43 mph (37 knots).

Marine Thunderstorm Wind in NANTUCKET SOUND, ATLANTIC NORTH
From 29-SEP-11 17:50:00 to 29-SEP-11 17:55:00 (EST-5)
Location: HYANNISPORT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Kalmus recorded wind gusts to 39 mph (34 knots).

Marine Thunderstorm Wind in COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK NATIONAL MARINE SANCTUARY, ATLANTIC NORTH
From 29-SEP-11 18:15:00 to 29-SEP-11 18:15:00 (EST-5)
Location: RACE POINT LIGHT
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Automated Weather Observing Station at Provincetown Municipal Airport (KPVC) recorded wind gusts to 43 mph (37 knots).

Marine Thunderstorm Wind in CAPE COD BAY, ATLANTIC NORTH
From 29-SEP-11 17:39:00 to 29-SEP-11 17:39:00 (EST-5)
Location: MANOMET POINT
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Sagamore Beach recorded wind gusts to 39 mph (34 knots).

Marine Thunderstorm Wind in BUZZARDS BAY, ATLANTIC NORTH
From 29-SEP-11 17:31:00 to 29-SEP-11 17:31:00 (EST-5)
Location: WOODS HOLE
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at West Falmouth recorded wind gusts to 43 mph (37 knots).

Marine Thunderstorm Wind in CAPE COD BAY, ATLANTIC NORTH
From 29-SEP-11 18:15:00 to 29-SEP-11 18:15:00 (EST-5)
Location: PROVINCETOWN
Magnitude: 37.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Automated Weather Observing Station at Provincetown Municipal Airport (KPVC) recorded wind gusts to 43 mph (37 knots).

Marine Thunderstorm Wind in BOSTON HARBOR, ATLANTIC NORTH
From 29-SEP-11 17:20:00 to 29-SEP-11 17:25:00 (EST-5)
Location: BOSTON LIGHT
Magnitude: 42.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow recording station at Pleasure Bay recorded wind gusts to 48 mph (42 knots).