A short wave trough moving from Quebec to northern New England led to a convective complex along the border of New Hampshire and Massachusetts in the late morning, which triggered a few severe thunderstorms in northeast Massachusetts.  Later in the day, severe storms were focused mainly on the sea breeze convergence in eastern and southeastern Massachusetts.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 22-AUG-20 09:42:00 to 22-AUG-20 09:42:00 (EST-5)
Location: GROTON
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Pepperell, a large tree was down at River and Elm Street.

Thunderstorm Wind in NORFOLK, MASSACHUSETTS
From 22-AUG-20 11:22:00 to 22-AUG-20 11:25:00 (EST-5)
Location: HARDING
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Medfield, trees were down on wires on both Adams Street and North Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:43:00 to 22-AUG-20 15:43:00 (EST-5)
Location: SOUTH WAREHAM
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Wareham, a tree was down on Main Street.

Thunderstorm Wind in BARNSTABLE, MASSACHUSETTS
From 22-AUG-20 16:30:00 to 22-AUG-20 16:30:00 (EST-5)
Location: MEGANSETT
Magnitude: 55.00 EG
Property damage: 3.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In North Falmouth, multiple trees were down on Quaker Road; a tree was down on Old Main Road; and multiple trees were down at Joint Base Cape Cod.

Thunderstorm Wind in BRISTOL, MASSACHUSETTS
From 22-AUG-20 16:35:00 to 22-AUG-20 16:35:00 (EST-5)
Location: SHERWOOD FOREST
Magnitude: 50.00 EG
Property damage: 0.30K
Crop damage: 0.00K
Reported by: Amateur Radio

In New Bedford, wires were down on Acushnet Avenue at Ashley Blvd.

Hail in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:25:00 to 22-AUG-20 15:25:00 (EST-5)
Location: MIDDLEBORO
Magnitude: 1.75 
Crop damage: 0.00K
Reported by: Amateur Radio

In Middleborough, hail estimated as golf ball size was reported, approximately one mile from Chestnut Street.

Thunderstorm Wind in MIDDLESEX, MASSACHUSETTS
From 22-AUG-20 09:38:00 to 22-AUG-20 09:38:00 (EST-5)
Location: TOWNSEND HARBOR
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Townsend, trees, a utility pole, and power lines were down on Spaulding Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 12:06:00 to 22-AUG-20 12:06:00 (EST-5)
Location: BROCKTON HGTS
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Brockton, a tree was down at the intersection of Fairview Avenue and Torrey Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 12:22:00 to 22-AUG-20 12:22:00 (EST-5)
Location: ELMWOOD
Magnitude: 50.00 EG
Property damage: 0.80K
Crop damage: 0.00K
Reported by: Amateur Radio

In East Bridgwater, a tree was down on wires at the intersection of West Union Street and Union Street.  Wires were down on Spear Avenue.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:02:00 to 22-AUG-20 15:02:00 (EST-5)
Location: COCHESETT
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Trees and wires were down on a car on South Elm Street at Scotland Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:13:00 to 22-AUG-20 15:13:00 (EST-5)
Location: BRIDEWATER
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Bridgewater, trees and wires were down on Union Street, from Pleasant Street to Mount Prospect Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:19:00 to 22-AUG-20 15:19:00 (EST-5)
Location: LAKEVILLE
Magnitude: 50.00 EG
Property damage: 0.50K
Crop damage: 0.00K
Reported by: Amateur Radio

In Lakeville, a tree was down on Main Street.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:30:00 to 22-AUG-20 15:30:00 (EST-5)
Location: SCOTLAND
Magnitude: 60.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Bridgewater, a tree was down on a house on Pleasant Street and a large tree was down on Colonial Post Drive.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:30:00 to 22-AUG-20 15:30:00 (EST-5)
Location: WARRENTOWN
Magnitude: 65.00 EG
Property damage: 80.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Middleborough, a microburst with winds estimated around 75 mph knocked down multiple trees on a KOA Campground, several of which fell onto cabins, RV campers, and cars.  Amazingly, there were no injuries.  Just south of the campground, a tree was down on a house on Plymouth Street, with its branches piercing the roof.  A large tree was down on wires on Wareham Street at Margery Street.  A large tree was down on Harding Street.

Hail in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 15:10:00 to 22-AUG-20 15:19:00 (EST-5)
Location: WARRENTOWN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Quarter size hail was reported in Middleborough, lasting for 9 minutes.

Hail in PLYMOUTH, MASSACHUSETTS
From 22-AUG-20 14:05:00 to 22-AUG-20 14:05:00 (EST-5)
Location: PEMBROKE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Pembroke, dime size hail was reported.