An upper level disturbance moved across southern New England resulting in showers and thunderstorms.  Cold upper level temperatures created an unstable atmosphere and allowed large hail to form in these storms.

Hail in HAMPDEN, MASSACHUSETTS
From 10-AUG-08 16:14:00 to 10-AUG-08 16:14:00 (EST-5)
Location: AGAWAM
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in WORCESTER, MASSACHUSETTS
From 10-AUG-08 16:16:00 to 10-AUG-08 16:16:00 (EST-5)
Location: WORCESTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter sized hail fell near the Bancroft Tower.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 10-AUG-08 16:20:00 to 10-AUG-08 16:20:00 (EST-5)
Location: WORCESTER
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Ten inch diameter limbs in the Salisbury area were downed by thunderstorm winds.

Hail in SUFFOLK, MASSACHUSETTS
From 10-AUG-08 14:00:00 to 10-AUG-08 14:00:00 (EST-5)
Location: DORCHESTER
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny to nickel size hail fell in Dorchester.

Hail in WORCESTER, MASSACHUSETTS
From 10-AUG-08 16:02:00 to 10-AUG-08 16:02:00 (EST-5)
Location: WORCESTER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Penny sized hail fell near the College of the Holy Cross.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 10-AUG-08 16:07:00 to 10-AUG-08 16:07:00 (EST-5)
Location: AGAWAM
Magnitude: 50.00 EG
Property damage: 8.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees, a phone pole, and wires were downed by thunderstorm winds.

Hail in HAMPDEN, MASSACHUSETTS
From 10-AUG-08 16:21:00 to 10-AUG-08 16:21:00 (EST-5)
Location: WILLIMANSETT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Penny sized hail fell near the Springfield/Chicopee line.

Hail in WORCESTER, MASSACHUSETTS
From 10-AUG-08 16:35:00 to 10-AUG-08 16:35:00 (EST-5)
Location: HOLDEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Penny sized hail fell on Shrewsbury Street.

Lightning in HAMPDEN, MASSACHUSETTS
From 10-AUG-08 17:00:00 to 10-AUG-08 17:00:00 (EST-5)
Location: HIGHLANDS
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A utility pole was struck by lightning which resulted in wires falling onto a car.

Hail in WORCESTER, MASSACHUSETTS
From 10-AUG-08 17:22:00 to 10-AUG-08 17:22:00 (EST-5)
Location: WHALOM
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Hail in MIDDLESEX, MASSACHUSETTS
From 10-AUG-08 17:31:00 to 10-AUG-08 17:39:00 (EST-5)
Location: STOW
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Penny sized hail fell near the Sudbury/Hudson line.

Lightning in MIDDLESEX, MASSACHUSETTS
From 10-AUG-08 17:52:00 to 10-AUG-08 17:52:00 (EST-5)
Location: SAXONVILLE
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Lightning struck a house on Edmonds Road causing a fire.

Lightning in MIDDLESEX, MASSACHUSETTS
From 10-AUG-08 18:32:00 to 10-AUG-08 18:32:00 (EST-5)
Location: EAST SUDBURY
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Lightning struck a house on Virginia Road causing a fire.

Lightning in MIDDLESEX, MASSACHUSETTS
From 10-AUG-08 19:41:00 to 10-AUG-08 19:41:00 (EST-5)
Location: EAST SUDBURY
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Lightning struck a house on Northwood Street causing a fire.

Flood in MIDDLESEX, MASSACHUSETTS
From 10-AUG-08 14:30:00 to 10-AUG-08 15:15:00 (EST-5)
Location: EVERETT
Flood cause: Heavy Rain
Property damage: 15.00K
Crop damage: 0.00K
Reported by: Newspaper

Heavy rain resulted in flooding and closed several roads in Everett.  A 30 year old woman had to be rescued from her flooded out car by firefighters.  When firefighters reached her, the car was flooded up to the bottoms of the windows.

Flood in MIDDLESEX, MASSACHUSETTS
From 10-AUG-08 18:28:00 to 10-AUG-08 20:00:00 (EST-5)
Location: SUDBURY
Flood cause: Heavy Rain
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Sudbury, Maynard Road was flooded with two feet of water stranding several cars.  Numerous other side roads also were flooded making them impassable.  A large number of basements and backyards were flooded with water accumulating up to several feet in the basements.  Four feet of water covered Main Street in Hudson, closing the road.  In Maynard, numerous basements and backyards were flooded with water accumulating several feet in the basements.