A cold front swept from northwest to southeast across Southern New England on June 13th.  The air leading the cold front was very warm and humid with heat indices in the mid to upper 90s. The collision of the cold front with this air created a few damaging thunderstorms over eastern Massachusetts.

Hail in SUFFOLK, MASSACHUSETTS
From 13-JUN-17 16:35:00 to 13-JUN-17 16:35:00 (EST-5)
Location: SOUTH BOSTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 435 PM EST, dime size hail fell in South Boston.

Hail in PLYMOUTH, MASSACHUSETTS
From 13-JUN-17 17:00:00 to 13-JUN-17 17:00:00 (EST-5)
Location: HINGHAM
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 5 PM EST, dime size hail fell at Hingham.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:22:00 to 13-JUN-17 16:22:00 (EST-5)
Location: CAMBRIDGE
Magnitude: 55.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 422 PM EST, a tree was brought down on Harvard Street in Cambridge.  A wind gust to 63 MPH was measured in East Cambridge.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:22:00 to 13-JUN-17 16:22:00 (EST-5)
Location: MEDFORD
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 422 PM EST, a tree was down on George Street near Main Street in Medford.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 13-JUN-17 17:05:00 to 13-JUN-17 17:05:00 (EST-5)
Location: NORTH WEYMOUTH
Magnitude: 48.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 505 PM EST, a large tree was down on Green Street in Weymouth.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:22:00 to 22-JUN-17 16:22:00 (EST-5)
Location: CAMBRIDGE
Magnitude: 55.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

At 422 PM EST, a 63 mph wind gust was measured by a mesonet station in East Cambridge.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 13-JUN-17 17:38:00 to 13-JUN-17 17:38:00 (EST-5)
Location: MARSHFIELD CENTER
Magnitude: 49.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 538 PM EST, a tree was downed on Ferry Street in Marshfield.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:30:00 to 13-JUN-17 16:30:00 (EST-5)
Location: CAMBRIDGE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 430 PM EST, a tree and wires were brought down on a car on Pearl Street in Cambridge.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:17:00 to 13-JUN-17 16:18:00 (EST-5)
Location: FRESH POND
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 417 PM EST, several trees and wires were reported down on Sherman Street in Cambridge.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:27:00 to 13-JUN-17 16:27:00 (EST-5)
Location: SOMERVILLE
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Public

At 427 PM EST, a member of the public reported several trees uprooted in the Winter Hill section of Somerville.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:28:00 to 13-JUN-17 16:28:00 (EST-5)
Location: SOMERVILLE
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Amateur Radio

At 428 PM EST, a tree and wires were reported down on Heath Street in Somerville.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:29:00 to 13-JUN-17 16:29:00 (EST-5)
Location: SOMERVILLE
Magnitude: 52.00 EG
Property damage: 1.50K
Crop damage: 0.00K
Reported by: Amateur Radio

At 429 PM EST, a tree and wires were downed on Bow Street in Medford.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:30:00 to 13-JUN-17 16:30:00 (EST-5)
Location: CAMBRIDGE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 430 PM EST, a tree and wires were brought down on a car on Pearl Street in Cambridge.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:30:00 to 13-JUN-17 16:30:00 (EST-5)
Location: INMAN SQUARE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 430 PM EST, a tree was brought down on Park Street in Somerville.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:30:00 to 13-JUN-17 16:30:00 (EST-5)
Location: MEDFORD
Magnitude: 52.00 EG
Property damage: 6.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 430 PM EST, trees and wires were reported down on Governors Road in Medford.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 13-JUN-17 17:15:00 to 13-JUN-17 17:15:00 (EST-5)
Location: BEECHWOOD
Magnitude: 48.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 515 PM EST, a tree was down and blocking Beechwood Street in Cohasset.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:25:00 to 13-JUN-17 16:25:00 (EST-5)
Location: FRESH POND
Magnitude: 52.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

AT 425 PM EST, multiple trees and wires were down on Appleton Street in Cambridge.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:19:00 to 13-JUN-17 16:19:00 (EST-5)
Location: NORTH SOMMERVILLE
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 419 PM EST, a large tree was brought down on Linden Avenue in Somerville.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 13-JUN-17 16:23:00 to 13-JUN-17 16:23:00 (EST-5)
Location: LAKE STREET
Magnitude: 52.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 423 PM EST, a large tree was brought down on Sherman Street at Rindge Avenue in Cambridge.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 13-JUN-17 16:58:00 to 13-JUN-17 16:58:00 (EST-5)
Location: ALLERTON
Magnitude: 49.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

At 458 PM EST, a tree was reported down in Hull.  Also  20 ft. branch was reported down on Touraine Avenue in Hull.