Showers and thunderstorms developed within one of the bands rotating through Southern New England from superstorm Sandy.   A strong low level jet, coupled with elevated instability resulted in a couple of these storms becoming severe.  One of the storms produced a significant microburst in Wareham, MA.  With an influx of tropical moisture from Sandy, at least one of these storms also produced flash flooding.

Flash Flood in BRISTOL, MASSACHUSETTS
From 30-OCT-12 18:40:00 to 30-OCT-12 19:40:00 (EST-5)
Location: ACUSHNET
Flood cause: Heavy Rain / Tropical System
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Two and a half feet of water flooded Main Street near Belleville Avenue in New Bedford.  The intersections of Church and Princeton Streets and Ashley Boulevard and Wood Street were flooded with a foot and a half of water.  Purchase Street was flooded with a foot and a half of water.  Phillips Road near Pine Hill Drive was flooded with a foot of water.  A condo complex on Heritage Drive was flooded with a foot of water.  Belleville Road was closed due to two and a half feet of water over the road.

Flash Flood in PLYMOUTH, MASSACHUSETTS
From 30-OCT-12 19:25:00 to 30-OCT-12 20:25:00 (EST-5)
Location: ISLAND CREEK
Flood cause: Heavy Rain / Tropical System
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Federal Furnace Road in Plymouth was closed due to flooding.  Route 3A in Kingston was flooded with six to seven inches of water in several locations.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 30-OCT-12 19:00:00 to 30-OCT-12 19:00:00 (EST-5)
Location: PLYMOUTH
Magnitude: 50.00 EG
Property damage: 25.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Multiple trees were downed by thunderstorm winds.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 30-OCT-12 18:40:00 to 30-OCT-12 18:45:00 (EST-5)
Location: EAST WAREHAM
Magnitude: 88.00 EG
Property damage: 100.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

A microburst occurred in Wareham with a thunderstorm associated with a band from superstorm Sandy.  A swath of 60 to 70 mph wind gusts occurred with pockets of 80 to 90 mph gusts.  The hardest hit locations in Wareham were Swifts Beach, Pinehurst, and Onset Bay Marina.  The survey team determined that a damage area of 2 miles in length and 2 miles in width in this area.  Based on radar signatures and eyewitness accounts, thunderstorm wind damage began in Falmouth around 6:25PM, then became more intense over Wareham around 6:40PM.  The survey team determined that approximately 100 trees were significantly damaged or knocked down in Wareham, with many bringing down wires.  The initial downdraft occurred in Swifts Beach then headed north-northeast over Pinehurst toward Narrows Road.  In the Swifts Beach area there were numerous downed trees with one tree impaling the roof of a house on Sherman Street.  Other points of interest were located on Pilgram Avenue, Judson Street, Pine Street, and Swifts Beach Road.  Trees were also downed near the fire department on Main Street in downtown Wareham.  Trees were also downed on Church Avenue at t he Redwood Park Elderly Complex.  In the Pinehurst area of Wareham, downed trees were evident on Franconia Avenue and Pinehurst Drive.  On Narrows Road, a couple of trees were knocked down across the road.  In the Onset Bay Marina area, boats that were stored on a 3 story tier were tilted in their racks.  A sailboat in the marina was tilted 90 degrees with the mast parallel with the water for about 2 minutes before righting itself.  Additionally, 2 boats of unknown size were reportedly sunk in the downdraft.  In the Nanumett Heights section of Point Independence (in Onset), significant tree damage was confirmed on Prospect and Webster Streets.  The survey team and eyewitness accounts observed much of the tree damage to be oriented in a south to north direction, confirming a microburst.

Hail in MIDDLESEX, MASSACHUSETTS
From 30-OCT-12 19:30:00 to 30-OCT-12 19:30:00 (EST-5)
Location: OAK GROVE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter inch hail fell on Hancock Street.

Flash Flood in PLYMOUTH, MASSACHUSETTS
From 30-OCT-12 18:50:00 to 30-OCT-12 19:50:00 (EST-5)
Location: HARBOR BEACH
Flood cause: Heavy Rain / Tropical System
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Marion, Route 6 and the fire department were flooded.  In Wareham, Route 28 was flooded and impassable in front of the 99 Restaurant and a pharmacy.