Increasing shear in the warm sector ahead of a cold front helped focus and sustain damaging winds in long-lived linear thunderstorms. Cells gathered strength in the Hudson Valley, moved across Vermont and caused considerable wind damage in Sullivan county. As the line fractured it caused damage across several other areas of New Hampshire.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 19-AUG-11 12:45:00 to 19-AUG-11 12:49:00 (EST-5)
Location: LITTLETON
Magnitude: 50.00 EG
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm downed a tree on a car on Lafayette Avenue in Littleton.

Hail in ROCKINGHAM, NEW HAMPSHIRE
From 19-AUG-11 14:37:00 to 19-AUG-11 14:41:00 (EST-5)
Location: AUBURN
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced 0.88 inch hail in Auburn.

Hail in GRAFTON, NEW HAMPSHIRE
From 19-AUG-11 12:45:00 to 19-AUG-11 12:48:00 (EST-5)
Location: LITTLETON
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced 0.88 inch hail in Littleton.

Thunderstorm Wind in ROCKINGHAM, NEW HAMPSHIRE
From 19-AUG-11 14:35:00 to 19-AUG-11 14:39:00 (EST-5)
Location: AUBURN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A severe thunderstorm downed large tree limbs on Rattlesnake Hill Road near Auburn.

Thunderstorm Wind in CARROLL, NEW HAMPSHIRE
From 19-AUG-11 15:35:00 to 19-AUG-11 15:39:00 (EST-5)
Location: WAKEFIELD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A severe thunderstorm downed a large tree on a house and dropped another tree in a nearby road in Wakefield.

Hail in ROCKINGHAM, NEW HAMPSHIRE
From 19-AUG-11 15:37:00 to 19-AUG-11 15:42:00 (EST-5)
Location: EXETER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail in Exeter.

Hail in ROCKINGHAM, NEW HAMPSHIRE
From 19-AUG-11 15:54:00 to 19-AUG-11 15:57:00 (EST-5)
Location: EXETER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail in Exeter.

Hail in MERRIMACK, NEW HAMPSHIRE
From 19-AUG-11 15:45:00 to 19-AUG-11 15:48:00 (EST-5)
Location: DUNBARTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail in Dunbarton.

Thunderstorm Wind in MERRIMACK, NEW HAMPSHIRE
From 19-AUG-11 15:45:00 to 19-AUG-11 15:48:00 (EST-5)
Location: DUNBARTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm downed a large tree across Route 13 in Dunbarton.

Hail in ROCKINGHAM, NEW HAMPSHIRE
From 19-AUG-11 15:55:00 to 19-AUG-11 15:58:00 (EST-5)
Location: HAMPTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail on Route 101 in Hampton.

Hail in MERRIMACK, NEW HAMPSHIRE
From 19-AUG-11 15:54:00 to 19-AUG-11 15:57:00 (EST-5)
Location: BOW CENTER
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail in Bow.