A mid-level cold pool provided the instability for scattered severe thunderstorms, with large hail and damaging winds in western Massachusetts and northern Connecticut during the mid-afternoon hours.  Franklin County, MA was particularly hard-hit by damaging winds.  Also, wind shear helped trigger some near-severe storms with hail and heavy rain in southeast Massachusetts.

Flood in BRISTOL, MASSACHUSETTS
From 29-JUN-20 13:16:00 to 29-JUN-20 13:16:00 (EST-5)
Location: FAIRHAVEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A foot of water was reported on the Route 18 North ramp to I-195.

Hail in NANTUCKET, MASSACHUSETTS
From 29-JUN-20 08:40:00 to 29-JUN-20 08:40:00 (EST-5)
Location: (ACK)NANTUCKET MEM A
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Dime size hail was reported on Nantucket.

Hail in BRISTOL, MASSACHUSETTS
From 29-JUN-20 12:59:00 to 29-JUN-20 12:59:00 (EST-5)
Location: FAIRHAVEN
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Dime size hail was reported in New Bedford.

Hail in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 12:59:00 to 29-JUN-20 13:00:00 (EST-5)
Location: ROWE
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Rowe, quarter size hail at 1259 PM EST (159 PM EDT) increased to half dollar size hail at 100 PM EST (200 PM EDT).

Hail in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:29:00 to 29-JUN-20 13:29:00 (EST-5)
Location: HAWLEY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

In Hawley, the public reported quarter size hail.

Hail in HAMPDEN, MASSACHUSETTS
From 29-JUN-20 14:06:00 to 29-JUN-20 14:06:00 (EST-5)
Location: EAST SPRINGFIELD
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Dime size hail was reported in Springfield.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:10:00 to 29-JUN-20 13:10:00 (EST-5)
Location: CONWAY
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Conway, trees and wires were down on Hoosac Road.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:10:00 to 29-JUN-20 13:10:00 (EST-5)
Location: SPRUCE CORNER
Magnitude: 50.00 EG
Property damage: 1.20K
Crop damage: 0.00K
Reported by: Amateur Radio

In Ashfield, trees and wires were down on Cummington Road.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:26:00 to 29-JUN-20 13:26:00 (EST-5)
Location: WEST DEERFIELD
Magnitude: 56.00 EG
Property damage: 70.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Deerfield, a tree fell into a house, causing extensive damage, per an amateur radio report.  Another tree caused house damage on Beaver Road, according to the Greenfield Recorder newspaper.  A tree was down on wires on Mountain Road.  A tree was down on Greenfield Road and a tree was down on Hillside Road.  Wires were reported down on Oak Knoll Drive.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:38:00 to 29-JUN-20 13:38:00 (EST-5)
Location: EAST SHELBURNE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Shelburne Falls, a tree was down on Fiske Mill Road.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:39:00 to 29-JUN-20 13:39:00 (EST-5)
Location: WEST WHATELY
Magnitude: 61.00 EG
Property damage: 40.00K
Crop damage: 0.00K
Reported by: Newspaper

A 200-foot long tobacco barn, located where Long Plain Road becomes Straits Road, collapsed and was considered a complete loss from strong downburst winds, estimated around 70 mph.  The barn had shifted toward the south during the storm, causing it to collapse.  Damage also occurred to a dump truck and trailer that were inside the barn, which has recently been used for storage, instead of tobacco, according to a Greenfield Recorder article.  Several other trees were downed near the location of the barn.  In addition, amateur radio operators reported a tree down on Webber Road.

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 29-JUN-20 13:40:00 to 29-JUN-20 13:40:00 (EST-5)
Location: SEARSVILLE
Magnitude: 52.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Williamsburg, trees were reported down on North Street, Mountain Road, and Depot Road.

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 29-JUN-20 13:45:00 to 29-JUN-20 13:45:00 (EST-5)
Location: BAY STATE
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Northampton in the Florence section of town, trees were down on both Ryan Road and on Maple Street.

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 29-JUN-20 13:49:00 to 29-JUN-20 13:49:00 (EST-5)
Location: BRADSTREET
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In the northern part of Hadley, a tree was down blocking a road at the Hadley/Sunderland town line.

Thunderstorm Wind in FRANKLIN, MASSACHUSETTS
From 29-JUN-20 13:50:00 to 29-JUN-20 13:50:00 (EST-5)
Location: SUNDERLAND
Magnitude: 50.00 EG
Property damage: 4.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Sunderland a tree was down on a house on Old Amherst Road.  Also, a tree was down on Route 47 (River Road).

Thunderstorm Wind in HAMPSHIRE, MASSACHUSETTS
From 29-JUN-20 13:55:00 to 29-JUN-20 13:55:00 (EST-5)
Location: SOUTH HADLEY FALLS
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In South Hadley, a tree was down on the Route 202 South rotary.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 29-JUN-20 13:56:00 to 29-JUN-20 13:56:00 (EST-5)
Location: HIGHLANDS
Magnitude: 50.00 EG
Property damage: 1.20K
Crop damage: 0.00K
Reported by: Amateur Radio

In Holyoke, trees and wires were down on Lincoln Street.

Thunderstorm Wind in HAMPDEN, MASSACHUSETTS
From 29-JUN-20 14:12:00 to 29-JUN-20 14:12:00 (EST-5)
Location: ALDENVILLE
Magnitude: 50.00 EG
Property damage: 0.30K
Crop damage: 0.00K
Reported by: Amateur Radio

In Chicopee, wires were down at the intersection of Granby Road and Nelson Street.