A cold front approaching from the west initiated afternoon convection across Eastern New York and Western New England on the afternoon of the 19th. High instability and increasing shear helped to develop more organized supercells and lines of thunderstorms.  Large hail and damaging winds were prevalent with these storms.

Thunderstorm Wind in BELKNAP, NEW HAMPSHIRE
From 19-JUL-15 18:20:00 to 19-JUL-15 18:25:00 (EST-5)
Location: BELMONT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm downed trees in Belmont.

Hail in BELKNAP, NEW HAMPSHIRE
From 19-JUL-15 18:45:00 to 19-JUL-15 18:50:00 (EST-5)
Location: BARNSTEAD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1 inch hail in Barnstead.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 19-JUL-15 17:35:00 to 19-JUL-15 17:39:00 (EST-5)
Location: ALEXANDRIA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm downed trees and wires in Alexandria.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 19-JUL-15 17:50:00 to 19-JUL-15 17:55:00 (EST-5)
Location: BETHLEHEM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed numerous trees and wires in Bethlehem.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 19-JUL-15 17:45:00 to 19-JUL-15 17:50:00 (EST-5)
Location: LITTLETON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed numerous trees and wires in Littleton.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 19-JUL-15 17:30:00 to 19-JUL-15 17:34:00 (EST-5)
Location: BETHLEHEM
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm downed trees and wires in Bethlehem.

Thunderstorm Wind in MERRIMACK, NEW HAMPSHIRE
From 19-JUL-15 19:13:00 to 19-JUL-15 19:17:00 (EST-5)
Location: NEW LONDON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm downed trees on cars on Main Street in New London.

Hail in BELKNAP, NEW HAMPSHIRE
From 19-JUL-15 18:16:00 to 19-JUL-15 18:21:00 (EST-5)
Location: BELMONT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A severe thunderstorm produced strong winds and 1.75 inch hail in Belmont.

Thunderstorm Wind in COOS, NEW HAMPSHIRE
From 19-JUL-15 20:20:00 to 19-JUL-15 20:25:00 (EST-5)
Location: NORTH STRATFORD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and power lines on Route 3 in Stratford.

Thunderstorm Wind in CARROLL, NEW HAMPSHIRE
From 19-JUL-15 18:45:00 to 19-JUL-15 18:50:00 (EST-5)
Location: BARTLETT
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and wires in Bartlett.

Hail in BELKNAP, NEW HAMPSHIRE
From 19-JUL-15 14:15:00 to 19-JUL-15 14:19:00 (EST-5)
Location: ALTON BAY
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced 0.88 inch hail near Camp Deer Run in Alton Bay.

Thunderstorm Wind in SULLIVAN, NEW HAMPSHIRE
From 19-JUL-15 18:30:00 to 19-JUL-15 18:35:00 (EST-5)
Location: PUCKERSHIRE
Magnitude: 60.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A severe thunderstorm downed trees on Sugar River Drive and Chestnut Street in Claremont.  a 24-year-old man was killed when a tree uprooted and fell on the car he was driving.

Hail in STRAFFORD, NEW HAMPSHIRE
From 19-JUL-15 15:19:00 to 19-JUL-15 15:24:00 (EST-5)
Location: ROCHESTER
Magnitude: 2.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 2.5 inch hail in Rochester.

Hail in BELKNAP, NEW HAMPSHIRE
From 19-JUL-15 15:55:00 to 19-JUL-15 15:59:00 (EST-5)
Location: ALTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1 inch hail in Alton.

Hail in GRAFTON, NEW HAMPSHIRE
From 19-JUL-15 16:30:00 to 19-JUL-15 16:35:00 (EST-5)
Location: ORFORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail in Orford.

Hail in STRAFFORD, NEW HAMPSHIRE
From 19-JUL-15 16:37:00 to 19-JUL-15 16:41:00 (EST-5)
Location: ROCHESTER
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1.5 inch hail in Rochester.

Thunderstorm Wind in CARROLL, NEW HAMPSHIRE
From 19-JUL-15 16:50:00 to 19-JUL-15 16:55:00 (EST-5)
Location: JACKSON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Social Media

A severe thunderstorm downed trees and power lines in Jackson.

Hail in CARROLL, NEW HAMPSHIRE
From 19-JUL-15 17:10:00 to 19-JUL-15 17:14:00 (EST-5)
Location: UNION
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1 inch hail in Union.