A disturbance dropping southward from Canada was accompanied by a cool pool of air aloft.  This helped trigger scattered severe thunderstorms in the late afternoon and early evening across eastern Massachusetts.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 18:33:00 to 23-JUL-21 18:33:00 (EST-5)
Location: PLYMOUTH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

In Plymouth, dime size hail was reported via a video on social media.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 17:47:00 to 23-JUL-21 17:47:00 (EST-5)
Location: EAST BRIDGEWATER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In East Bridgewater, dime size hail was reported.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 18:30:00 to 23-JUL-21 18:30:00 (EST-5)
Location: BAILEYS CORNER
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Kingston, dime size hail was reported.

Hail in BRISTOL, MASSACHUSETTS
From 23-JUL-21 16:10:00 to 23-JUL-21 16:10:00 (EST-5)
Location: SEEKONK
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Seekonk, dime size hail was reported.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 18:10:00 to 23-JUL-21 18:10:00 (EST-5)
Location: PLYMOUTH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Plymouth, dime size hail was reported.

Hail in ESSEX, MASSACHUSETTS
From 23-JUL-21 16:35:00 to 23-JUL-21 16:35:00 (EST-5)
Location: GEORGETOWN
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Georgetown, half dollar size hail was reported on Route 97, near the Georgetown and Groveland line.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 18:25:00 to 23-JUL-21 18:25:00 (EST-5)
Location: SILVER LAKE
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

In Kingston, hail ranging from one-half inch to one inch (quarter size) was reported.
Time estimated based on radar.

Hail in ESSEX, MASSACHUSETTS
From 23-JUL-21 16:09:00 to 23-JUL-21 16:09:00 (EST-5)
Location: MERRIMAC
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

In Merrimac, broadcast media reported quarter size hail.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 17:48:00 to 23-JUL-21 17:48:00 (EST-5)
Location: BROCKTON
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

In Brockton, dime size hail was reported.

Hail in ESSEX, MASSACHUSETTS
From 23-JUL-21 16:20:00 to 23-JUL-21 16:20:00 (EST-5)
Location: HAVERHILL
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Haverhill, quarter size hail was reported at 520 PM EDT (420 PM EST).  It had begun as nickel size hail fifteen minutes earlier.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 17:57:00 to 23-JUL-21 17:57:00 (EST-5)
Location: WHITMAN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Whitman, nickel size hail was reported.

Thunderstorm Wind in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 18:49:00 to 23-JUL-21 18:49:00 (EST-5)
Location: HANSON CRANLAND ARPT
Magnitude: 50.00 EG
Property damage: 0.30K
Crop damage: 0.00K
Reported by: Law Enforcement

In Halifax, police reported a large tree branch down on Oak Street and Marilyn Way.  Report relayed by amateur radio.

Hail in PLYMOUTH, MASSACHUSETTS
From 23-JUL-21 18:40:00 to 23-JUL-21 18:50:00 (EST-5)
Location: BAILEYS CORNER
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

In Kingston, amateur radio reported half dollar size hail at 740 PM EDT (640 PM EST). Quarter size hail was reported via social media photos at 750 PM EDT (650 PM EST).  Dime sized hail had been reported twenty minutes earlier.