An approaching cold front coupled with a strong upper level disturbance interacted with a very unstable airmass on the afternoon of the 3rd. The result was numerous strong thunderstorms, many of which became severe and produced large hail and damaging winds.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 21:50:00 to 03-AUG-07 21:50:00 (EST-5)
Location: WORCESTER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Large tree and wires down on Apricott Street.

Hail in WORCESTER, MASSACHUSETTS
From 03-AUG-07 18:14:00 to 03-AUG-07 18:14:00 (EST-5)
Location: ATHOL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail.

Hail in WORCESTER, MASSACHUSETTS
From 03-AUG-07 18:17:00 to 03-AUG-07 18:17:00 (EST-5)
Location: ATHOL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported all throughout Athol.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 18:47:00 to 03-AUG-07 18:47:00 (EST-5)
Location: SHUTESBURY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel size hail.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 19:59:00 to 03-AUG-07 19:59:00 (EST-5)
Location: CONWAY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel size hail.

Hail in HAMPSHIRE, MASSACHUSETTS
From 03-AUG-07 20:15:00 to 03-AUG-07 20:20:00 (EST-5)
Location: WORTHINGTON CORNERS
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel size hail fell for about 5 minutes.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 17:41:00 to 03-AUG-07 17:41:00 (EST-5)
Location: COLRAIN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down. Route 112 closed as a result.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 17:50:00 to 03-AUG-07 17:50:00 (EST-5)
Location: CHARLEMONT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 17:50:00 to 03-AUG-07 17:50:00 (EST-5)
Location: HAWLEY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 19:49:00 to 03-AUG-07 19:49:00 (EST-5)
Location: HARVARD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees and power lines down near Bull Park.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 19:51:00 to 03-AUG-07 19:51:00 (EST-5)
Location: ROWE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires down.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 20:16:00 to 03-AUG-07 20:16:00 (EST-5)
Location: CONWAY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 20:20:00 to 03-AUG-07 20:20:00 (EST-5)
Location: DEERFIELD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down on Graves Road.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 20:25:00 to 03-AUG-07 20:25:00 (EST-5)
Location: WHATELY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down on Christian Lane.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 20:30:00 to 03-AUG-07 20:30:00 (EST-5)
Location: SUNDERLAND
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires down.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 16:55:00 to 03-AUG-07 16:55:00 (EST-5)
Location: MONROE BRIDGE
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Nickel size hail.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 17:02:00 to 03-AUG-07 17:02:00 (EST-5)
Location: MONROE BRIDGE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Half Dollar size hail.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 17:40:00 to 03-AUG-07 17:40:00 (EST-5)
Location: CHARLEMONT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 18:00:00 to 03-AUG-07 18:00:00 (EST-5)
Location: BUCKLAND
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Quarter size hail.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 21:10:00 to 03-AUG-07 21:10:00 (EST-5)
Location: HARDWICK
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Large tree limbs down on Route 32.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 21:40:00 to 03-AUG-07 21:40:00 (EST-5)
Location: SPENCER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down in the North End of Spencer.

Hail in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 18:02:00 to 03-AUG-07 18:02:00 (EST-5)
Location: GREENFIELD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 17:55:00 to 03-AUG-07 17:55:00 (EST-5)
Location: COLRAIN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 18:00:00 to 03-AUG-07 18:00:00 (EST-5)
Location: BUCKLAND
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 18:00:00 to 03-AUG-07 18:00:00 (EST-5)
Location: ROWE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 03-AUG-07 18:12:00 to 03-AUG-07 18:12:00 (EST-5)
Location: ERVING
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees down.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 18:12:00 to 03-AUG-07 18:12:00 (EST-5)
Location: ATHOL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires down.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 18:15:00 to 03-AUG-07 18:15:00 (EST-5)
Location: ATHOL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires down on several roads including Route 2.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 19:27:00 to 03-AUG-07 19:27:00 (EST-5)
Location: WORCESTER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires down on Oliver Street.

Thunderstorm Wind in WORCESTER, MASSACHUSETTS
From 03-AUG-07 19:49:00 to 03-AUG-07 19:49:00 (EST-5)
Location: LEOMINSTER
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trees down on River Street, partially blocking the road.