A strong upper level trough was digging into New England on the afternoon of July 26th with an associated cold front approaching the region. Instability was marginal with CAPE's of 1000 j/kg or less generally pooled ahead of the front. However... dynamics associated with the shortwave and moderate to strong low level shear produced numerous severe thunderstorm cells with large hail and damaging winds. A short-lived EF0 tornado touched down on the Vermont side of the Connecticut River and then crossed into Colebrook.  The tornado snapped and uprooted trees in the town.  In addition, heavy rain with some of these storms resulted in flash flooding and road washouts.

Hail in BELKNAP, NEW HAMPSHIRE
From 26-JUL-11 14:00:00 to 26-JUL-11 14:05:00 (EST-5)
Location: WINNISQUAM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1 inch hail near Winnisquam.

Hail in MERRIMACK, NEW HAMPSHIRE
From 26-JUL-11 16:05:00 to 26-JUL-11 16:09:00 (EST-5)
Location: SOUTH DANBURY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail near Danbury.

Hail in BELKNAP, NEW HAMPSHIRE
From 26-JUL-11 16:30:00 to 26-JUL-11 16:34:00 (EST-5)
Location: ALTON
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm produced 1 inch hail in Alton.

Thunderstorm Wind in BELKNAP, NEW HAMPSHIRE
From 26-JUL-11 13:45:00 to 26-JUL-11 13:48:00 (EST-5)
Location: MEREDITH
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A severe thunderstorm downed 8 to 10 trees in Meredith.

Thunderstorm Wind in GRAFTON, NEW HAMPSHIRE
From 26-JUL-11 16:02:00 to 26-JUL-11 16:06:00 (EST-5)
Location: EAST GRAFTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm downed trees near Grafton.

Thunderstorm Wind in STRAFFORD, NEW HAMPSHIRE
From 26-JUL-11 16:50:00 to 26-JUL-11 16:53:00 (EST-5)
Location: MILTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

A severe thunderstorm produced multiple reports of trees down in Milton.

Hail in BELKNAP, NEW HAMPSHIRE
From 26-JUL-11 13:30:00 to 26-JUL-11 13:33:00 (EST-5)
Location: MEREDITH
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced .75 inch hail in Meredith.

Hail in BELKNAP, NEW HAMPSHIRE
From 26-JUL-11 14:00:00 to 26-JUL-11 14:05:00 (EST-5)
Location: WINNISQUAM
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1 inch hail near Winnisquam.

Tornado in COOS, NEW HAMPSHIRE
From 26-JUL-11 16:14:00 to 26-JUL-11 16:16:00 (EST-5)
Location: COLEBROOK ARPT
Tornado F-scale: EF0
Crop damage: 0.00K
Reported by: NWS Storm Survey

An weak tornado touched down in Essex County, Vermont, just west of the Connecticut River, then crossed into Colebrook  where it downed and uprooted trees in the town.  Based on a damage survey, the tornado was rated an EF0 with an overall path length of about a mile and a maximum path width of 100 yards.  Maximum wind gusts were estimated to be between 70 and 75 mph. No injuries were reported.

Hail in BELKNAP, NEW HAMPSHIRE
From 26-JUL-11 14:00:00 to 26-JUL-11 14:05:00 (EST-5)
Location: GILFORD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A severe thunderstorm produced 1 inch hail in Gilford.