A mid-level disturbance moved across Southern New England, tapping very moist and unstable air to create showers and thunderstorms.  Some showers and storms produced heavy downpours and strong wind gusts.

Flash Flood in SUFFOLK, MASSACHUSETTS
From 02-AUG-17 16:50:00 to 02-AUG-17 19:50:00 (EST-5)
Location: DORCHESTER CENTER
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 450 PM EST, Morrissey Boulevard in Dorchester was flooded and impassable near the Boston Globe Building. Four cars were trapped in the flood waters.At 454 PM EST, Fields Corner mass transit station was flooded and impassable with buses trapped in flood waters. At 455 PM EST Morrissey Boulevard was shut down due to flooding at Neponset Circle. At 455 PM EST, a car was trapped in three feet of water on Columbia Road at Hamilton Street. At 532 PM EST Talbot Street and Park Street and Clayton Street were flooded and impassable.

Flash Flood in SUFFOLK, MASSACHUSETTS
From 02-AUG-17 17:20:00 to 02-AUG-17 17:20:00 (EST-5)
Location: DORCHESTER
Flood cause: Heavy Rain
Property damage: 10.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 520 PM EST the Woodrow Avenue Railroad Bridge underpass in Mattapan was flooded with cars trapped in the waters.

Flood in SUFFOLK, MASSACHUSETTS
From 02-AUG-17 16:37:00 to 02-AUG-17 19:50:00 (EST-5)
Location: DORCHESTER CENTER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 510 PM EST, Southern Avenue in Boston was flooded and impassable.  At 537 PM EST, multiple cars were trapped in flood waters on Quincy Street and Harvard Street in Boston.  The streets were flooded and impassable. A bus was trapped on Gallivan Boulevard, which was flooded and impassable.

Hail in FRANKLIN, MASSACHUSETTS
From 02-AUG-17 13:28:00 to 02-AUG-17 13:28:00 (EST-5)
Location: CHARLEMONT
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

At 128 PM EST, one-inch diameter hail fell in Hawley.  Hail was reported to be covering the ground.

Hail in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 14:08:00 to 02-AUG-17 14:08:00 (EST-5)
Location: FARM HILL
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 208 PM EST, mixed pea to dime size hail fell in Stoneham.

Hail in WORCESTER, MASSACHUSETTS
From 02-AUG-17 16:06:00 to 02-AUG-17 16:11:00 (EST-5)
Location: MILFORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 406 PM EST and 411 PM EST one-inch diameter hail was reported in Milford.

Lightning in WORCESTER, MASSACHUSETTS
From 02-AUG-17 18:30:00 to 02-AUG-17 18:30:00 (EST-5)
Location: MILLVILLE
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Public

At 630 PM EST, a two-foot diameter tree was struck by lightning on Providence Street in Millville.

Hail in HAMPSHIRE, MASSACHUSETTS
From 02-AUG-17 13:28:00 to 02-AUG-17 13:28:00 (EST-5)
Location: HADLEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

At 1:28 PM EST, one-inch diameter hail was covering the ground at Hadley.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 02-AUG-17 13:10:00 to 02-AUG-17 13:10:00 (EST-5)
Location: NORTH BELLINGHAM
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Amateur Radio

At 1:10 PM EST, a tree was brought down on power lines at 711 Pond Street in Franklin. A tree was also brought down on Annabel Lane.

Thunderstorm Wind in SUFFOLK, MASSACHUSETTS
From 02-AUG-17 13:40:00 to 02-AUG-17 13:40:00 (EST-5)
Location: EAST BOSTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 140 PM EST, a tree was uprooted on Harborside Drive in East Boston.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 13:54:00 to 02-AUG-17 13:54:00 (EST-5)
Location: ACTON
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 154 PM EST, a tree was brought down on a moving car on Newtown Road in Acton.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 02-AUG-17 14:00:00 to 02-AUG-17 14:05:00 (EST-5)
Location: BOLTON
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Amateur Radio

Between 2 PM and 205 PM EST, a tree and wires were brought down on Long Hill Road in Bolton, and a tree was down on Teele Road in Bolton.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 14:15:00 to 02-AUG-17 14:15:00 (EST-5)
Location: MAYNARD
Magnitude: 50.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 215 PM EST, a tree was downed on a car on Great Road in Maynard.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 14:15:00 to 02-AUG-17 14:15:00 (EST-5)
Location: MINUTE MAN ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 215 PM EST, a tree was down and blocking Taylor Road in Stow.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 14:15:00 to 02-AUG-17 14:15:00 (EST-5)
Location: MINUTE MAN ARPT
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 215 PM EST, a large tree was down on wires on Stow Road in Boxborough.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 02-AUG-17 14:35:00 to 02-AUG-17 14:40:00 (EST-5)
Location: SOUTHWICK
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At 235 PM EST, a tree was downed at 454 College Highway in Southwick.  At 240 PM EST, a tree was down on wires at Sam West Road.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 02-AUG-17 14:40:00 to 02-AUG-17 14:40:00 (EST-5)
Location: NORTH AGAWAM
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 240 PM EST, a tree was down on Hanover Street in West Springfield.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 02-AUG-17 16:11:00 to 02-AUG-17 16:11:00 (EST-5)
Location: SPINDLEVILLE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 411 PM EST, trees were reported down on South Main Street in Milford.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 02-AUG-17 16:12:00 to 02-AUG-17 16:12:00 (EST-5)
Location: PETERSHAM
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Trained Spotter

At 412 PM EST, a trained spotter reported two tree down on Route 32A in Petersham.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 02-AUG-17 16:35:00 to 02-AUG-17 16:35:00 (EST-5)
Location: MENDON
Magnitude: 50.00 EG
Property damage: 2.50K
Crop damage: 0.00K
Reported by: Amateur Radio

At 435 PM EST, trees were down on Neck Hill Road and Gaskill Street in Mendon.  The roads were impassable.

Flood in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 14:43:00 to 02-AUG-17 17:45:00 (EST-5)
Location: STOW
Flood cause: Heavy Rain
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 243 PM EST, an amateur radio operator reported basement flooding on Hudson Road in Stow. At 302 PM EST state route 117 in Stow was flooded, as was an adjacent shopping center lot.

Flood in NORFOLK, MASSACHUSETTS
From 02-AUG-17 15:46:00 to 02-AUG-17 18:00:00 (EST-5)
Location: BLACK ROCK
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 346 PM EST, Cushing Highway in Cohassett was flooded with water pouring out of manhole covers.

Flood in NORFOLK, MASSACHUSETTS
From 02-AUG-17 15:49:00 to 02-AUG-17 18:25:00 (EST-5)
Location: WEST QUINCY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 349 PM EST, a car was trapped in street flooding at junction of Independence Avenue and Bennington Street in Quincy.

Flood in NORFOLK, MASSACHUSETTS
From 02-AUG-17 15:50:00 to 02-AUG-17 18:30:00 (EST-5)
Location: BRAINTREE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 350 PM EST, Granite Street in Braintree had six to twelve inches of street flooding.

Flood in NORFOLK, MASSACHUSETTS
From 02-AUG-17 16:25:00 to 02-AUG-17 19:35:00 (EST-5)
Location: WEST MEDWAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 425 PM EST, state route 109 in Medway had six to twelve inches of street flooding.

Flood in NORFOLK, MASSACHUSETTS
From 02-AUG-17 16:35:00 to 02-AUG-17 19:30:00 (EST-5)
Location: NEEDHAM HGTS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 435 PM EST, Highland Avenue in Needham had flooding over the the sidewalks between Morton and Mellon Streets.

Flood in SUFFOLK, MASSACHUSETTS
From 02-AUG-17 13:58:00 to 02-AUG-17 16:00:00 (EST-5)
Location: EAST BOSTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 158 PM EST, the Ted Williams Tunnel near Logan Airport flooded, with two feet of water trapping a car in the flood waters.

Flood in MIDDLESEX, MASSACHUSETTS
From 02-AUG-17 17:09:00 to 02-AUG-17 20:00:00 (EST-5)
Location: CHESTNUT HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Between 509 PM and 527 PM EST, Beacon Street in Newton became flooded and impassable.

Flash Flood in HAMPDEN, MASSACHUSETTS
From 02-AUG-17 13:45:00 to 02-AUG-17 16:25:00 (EST-5)
Location: CHESTER
Flood cause: Heavy Rain
Property damage: 20.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 145 PM EST, an amateur radio operator reported that Round Hill Road in Chester was washed out to a depth of two feet and impassable due to flooding.

Flash Flood in WORCESTER, MASSACHUSETTS
From 02-AUG-17 16:08:00 to 02-AUG-17 19:15:00 (EST-5)
Location: FITCHBURG
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Water two feet deep was reported on State Route 31 north of Fitchburg.