A cold front moving through a very warm, moist airmass over Rhode Island and eastern Massachusetts resulted in showers and thunderstorms.  Many of these storms became severe, producing damaging winds and large hail.

Marine Thunderstorm Wind in VINEYARD SOUND, ATLANTIC NORTH
From 24-JUL-12 16:51:00 to 24-JUL-12 16:51:00 (EST-5)
Location: CUTTYHUNK ISLAND
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

An amateur radio operator recorded a wind gust of 40 mph on their home weather station.  No damage was reported.

Marine Thunderstorm Wind in NARRAGANSETT BAY, ATLANTIC NORTH
From 24-JUL-12 20:40:00 to 24-JUL-12 20:40:00 (EST-5)
Location: JAMESTOWN HARBOR
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An observing station at Quonset Point recorded a 40 mph wind gust.  No damage was reported.

Marine Thunderstorm Wind in NARRAGANSETT BAY, ATLANTIC NORTH
From 24-JUL-12 20:52:00 to 24-JUL-12 20:52:00 (EST-5)
Location: NEWPORT
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Automated Surface Observing Station at Newport State Airport (KUUU) recorded a 44 mph wind gust.  No damage was reported.

Marine Thunderstorm Wind in NANTUCKET SOUND, ATLANTIC NORTH
From 24-JUL-12 22:08:00 to 24-JUL-12 22:08:00 (EST-5)
Location: GREAT POINT LIGHT
Magnitude: 35.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Buoy

The National Data Buoy Center Buoy 44020 in the middle of Nantucket Sound recorded a wind gust of 40 mph.

Marine Thunderstorm Wind in COASTAL WATERS EXTENDING OUT TO 25 nm values SOUTH OF MARTHAS VINEYARD AND NANTUCKET, ATLANTIC NORTH
From 24-JUL-12 22:40:00 to 24-JUL-12 22:40:00 (EST-5)
Location: SURFSIDE NANTUCKET
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Automated Surface Observing Station at Nantucket Memorial Airport (KACK) recorded a wind gust of 42 mph.

Marine Thunderstorm Wind in CAPE COD BAY, ATLANTIC NORTH
From 24-JUL-12 15:43:00 to 24-JUL-12 15:43:00 (EST-5)
Location: WELLFLEET HARBOR
Magnitude: 36.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mariner

A boater reported a 41 mph wind gust in Cape Cod Bay.  No damage was reported.

Marine Thunderstorm Wind in COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA OUT 20 nm values, ATLANTIC NORTH
From 24-JUL-12 16:35:00 to 24-JUL-12 16:35:00 (EST-5)
Location: NAUSET BEACH LIGHT
Magnitude: 35.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mariner

A boater reported a 40 mph wind gust east of Cape Cod.  No damage was reported.

Waterspout in CAPE COD BAY, ATLANTIC NORTH
From 24-JUL-12 15:06:00 to 24-JUL-12 15:08:00 (EST-5)
Location: MANOMET POINT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Newspaper

The Manomet Current reported three waterspouts formed just offshore at 4:06pm EDT and then moved quickly onshore at White Horse Beach, resulting in minor damage. The damage was minimal. A window that cranks open was ripped off its hinges and shattered and a beach umbrella and a few awnings were damaged. Wind speeds were likely less than 65 mph (the minimum wind speed of an EF0 tornado).