A cold front moved eastward into a very moist and unstable air mass in New Hampshire during the afternoon and evening hours on the 20th.  A few broken lines of thunderstorms and bowing segments moved across portions of the state as a result, mainly during the evening hours.  This led to concentrated areas of wind damage and a few reports of large hail.

Hail in GRAFTON, NEW HAMPSHIRE
From 20-JUL-21 20:10:00 to 20-JUL-21 20:10:00 (EST-5)
Location: HANOVER CENTER
Magnitude: 1.25 
Reported by: Trained Spotter

Half dollar size hail fell near Lyme.

Hail in GRAFTON, NEW HAMPSHIRE
From 20-JUL-21 21:00:00 to 20-JUL-21 21:00:00 (EST-5)
Location: GROTON
Magnitude: 1.00 
Reported by: Public

Quarter size hail fell just northwest of Hebron.

Hail in GRAFTON, NEW HAMPSHIRE
From 20-JUL-21 21:10:00 to 20-JUL-21 21:15:00 (EST-5)
Location: BRISTOL
Magnitude: 1.25 
Reported by: Trained Spotter

Quarter to half dollar size hail fell in Bristol for 3 to 5 minutes.

Hail in CHESHIRE, NEW HAMPSHIRE
From 20-JUL-21 21:30:00 to 20-JUL-21 21:35:00 (EST-5)
Location: KEENE
Magnitude: 1.00 
Reported by: Public

Quarter size hail fell on the north side of Keene for 5 minutes.

Hail in HILLSBOROUGH, NEW HAMPSHIRE
From 20-JUL-21 22:25:00 to 20-JUL-21 22:25:00 (EST-5)
Location: GOFFSTOWN
Magnitude: 1.25 
Reported by: Public

Half dollar size hail fell in Goffstown.

Hail in ROCKINGHAM, NEW HAMPSHIRE
From 20-JUL-21 22:45:00 to 20-JUL-21 22:45:00 (EST-5)
Location: SEVERANCE
Magnitude: 1.50 
Reported by: Public

Ping pong ball size hail fell in Auburn.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 20-JUL-21 21:10:00 to 20-JUL-21 21:10:00 (EST-5)
Location: BRISTOL
Magnitude: 56.00 MG
Reported by: Trained Spotter

A trained spotter recorded a wind gust of 65 miles per hour in Bristol.

Thunderstorm Wind in BELKNAP, NEW HAMPSHIRE
From 20-JUL-21 21:45:00 to 20-JUL-21 21:45:00 (EST-5)
Location: MEREDITH
Magnitude: 50.00 EG
Reported by: Public

Large trees limbs downed across the town of Meredith.

Thunderstorm Wind in HILLSBOROUGH, NEW HAMPSHIRE
From 20-JUL-21 22:35:00 to 20-JUL-21 22:35:00 (EST-5)
Location: MANCHESTER
Magnitude: 50.00 EG
Reported by: Amateur Radio

Multiple trees and wires downed in Manchester as a line of storms moved through late in the evening.

Thunderstorm Wind in HILLSBOROUGH, NEW HAMPSHIRE
From 20-JUL-21 22:05:00 to 20-JUL-21 22:05:00 (EST-5)
Location: NOONE
Magnitude: 50.00 EG
Reported by: Trained Spotter

Several trees downed near the intersection of Routes 202 and 101 in Peterborough.

Thunderstorm Wind in HILLSBOROUGH, NEW HAMPSHIRE
From 20-JUL-21 21:50:00 to 20-JUL-21 21:50:00 (EST-5)
Location: HILLSBORO UPPER VLG
Magnitude: 50.00 EG
Reported by: Public

Trees and power lines downed by straight line winds to the northwest of Hillsborough.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 20-JUL-21 20:15:00 to 20-JUL-21 20:15:00 (EST-5)
Location: HANOVER
Magnitude: 50.00 EG
Reported by: Law Enforcement

Numerous trees were downed in Hanover as a line of thunderstorms moved through.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 20-JUL-21 20:40:00 to 20-JUL-21 20:45:00 (EST-5)
Location: ORANGE
Magnitude: 50.00 EG
Reported by: Trained Spotter

Severe thunderstorm wind gusts downed trees in Orange.

Thunderstorm Wind in BELKNAP, NEW HAMPSHIRE
From 20-JUL-21 21:10:00 to 20-JUL-21 21:10:00 (EST-5)
Location: NEW HAMPTON
Magnitude: 55.00 EG
Reported by: Public

Severe thunderstorm wind gusts downed trees throughout New Hampton along with numerous power outages.

Thunderstorm Wind in MERRIMACK, NEW HAMPSHIRE
From 20-JUL-21 21:15:00 to 20-JUL-21 21:15:00 (EST-5)
Location: HILL CENTER
Magnitude: 50.00 EG
Reported by: Trained Spotter

Severe thunderstorm wind gusts downed trees and wires 4 miles northwest of Hill.

Thunderstorm Wind in BELKNAP, NEW HAMPSHIRE
From 20-JUL-21 21:38:00 to 20-JUL-21 21:38:00 (EST-5)
Location: GILFORD
Magnitude: 55.00 EG
Reported by: Public

Severe thunderstorm wind gusts downed numerous trees throughout the town of Gilford.

Hail in CHESHIRE, NEW HAMPSHIRE
From 20-JUL-21 21:50:00 to 20-JUL-21 21:50:00 (EST-5)
Location: HINSDALE
Magnitude: 1.25 
Reported by: Public

Half dollar size hail fell just east of downtown Hinsdale.

Thunderstorm Wind in HILLSBOROUGH, NEW HAMPSHIRE
From 20-JUL-21 21:45:00 to 20-JUL-21 21:45:00 (EST-5)
Location: NORTH BRANCH
Magnitude: 50.00 EG
Reported by: Public

Severe thunderstorm wind gusts downed trees and power lines in Stoddard.

Thunderstorm Wind in HILLSBOROUGH, NEW HAMPSHIRE
From 20-JUL-21 22:00:00 to 20-JUL-21 22:00:00 (EST-5)
Location: ANTRIM
Magnitude: 50.00 EG
Reported by: Public

Severe thunderstorm wind gusts downed two trees across highway 202 between Peterborough and Antrim, blocking traffic.

Hail in CHESHIRE, NEW HAMPSHIRE
From 20-JUL-21 22:20:00 to 20-JUL-21 22:20:00 (EST-5)
Location: FITZWILLIAM
Magnitude: 1.00 
Reported by: Public

Quarter size hail fell in Fitzwilliam.

Thunderstorm Wind in CARROLL, NEW HAMPSHIRE
From 20-JUL-21 22:05:00 to 20-JUL-21 22:05:00 (EST-5)
Location: BROOKFIELD
Magnitude: 50.00 EG
Reported by: Utility Company

Severe thunderstorm wind gusts downed trees and power lines.

Thunderstorm Wind in ROCKINGHAM, NEW HAMPSHIRE
From 20-JUL-21 23:17:00 to 20-JUL-21 23:17:00 (EST-5)
Location: ROCKINGHAM
Magnitude: 50.00 EG
Reported by: Public

Severe thunderstorm wind gusts downed tees along with power outages in Newmarket.