Thunderstorm Wind in New Hampshire
Every thunderstorm wind event the National Weather Service has filed in New Hampshire, year by year, with the most significant episodes. Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
The most significant on the map
The most significant thunderstorm wind episodes in New Hampshire.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The record
- Events
- 2,368
- Deaths
- 11
- Injuries
- 82
- Damage
- $15 million
Every year
The most significant
Ranked by deaths, injuries, damage and size together.
- Hail and Damaging Winds in New Hampshire, August 3, 2015A pre-frontal trough ahead of an approaching cold front was the focus for severe convection on the afternoon of August 3rd. Moderate CAPES and low-level moisture combined with increasing mid-level flow to produced numerous severe cells most of which produced wind damage.
- Hail and Damaging Winds in New Hampshire, August 18, 1991
- Tornadoes and Flood in New Hampshire, July 24, 2008On July 24th a closed 500 mb low was digging over NY/PA and waves of surface low pressure were riding north along the associated surface front to the west of the forecast area. A strong 50kt low level jet was also riding northward ahead of the front.
- Debris Flow and Flooding in New Hampshire, October 29 to 30, 2012On Monday, October 29th, Hurricane Sandy (and its remnants) tracked northwest from well off the North Carolina coast to southeastern Pennsylvania, making landfall near the southern tip of New Jersey.
- Tornadoes and Damaging Winds in New Hampshire, July 6, 1999Severe thunderstorm winds caused damage statewide as downed trees blocked roads and caused power outages. The winds also damaged several buildings. In Sanbornton, a 60 foot pine tree fell on a car killing the driver.
- Hail and Damaging Wind in New Hampshire, June 24, 2013A hot and humid airmass was in place over the forecast area on the afternoon of June 24th.
- Tornadoes and Damaging Winds in New Hampshire, July 3, 1997Very severe thunderstorms moved through Cheshire and Hillsborough Counties, producing two tornadoes, microbursts, damaging thunderstorm winds, and large hail.
- Flooding and Coastal Flood in New Hampshire, December 23 to 25, 2022Beginning on December 22nd a powerful storm was developing over the Ohio River Valley. On December 23rd the center of the storm was deepening rapidly (974mb) as it lifted through the eastern Great Lakes.
- Hail and Damaging Winds in New Hampshire, July 19, 2015A 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.
- Damaging Winds in New Hampshire, July 6, 1999Severe thunderstorms moved across southern New Hampshire in advance of a strong cold front, resulting in widespread wind damage in Cheshire and Hillsborough Counties. For the fourth day in a row, temperatures peaked well up into the 90s along with high humidity.
- Damaging Wind in New Hampshire, August 21, 1994Increasing winds capsized a sailboat during a boat race on Lake Sunnapee, drowning the captain. The winds, estimated at 50 mph, were apparently associated with a thunderstorm gust front. (M59O)
- Damaging Wind in New Hampshire, June 17, 2000A 39-year old woman was killed when the strong winds which preceded a thunderstorm caused a 57 ft section of a tree to break off from the base and fall on her at the Windham Town Beach at Cobbetts Pond.
- Damaging Wind in New Hampshire, September 24, 2006Strong winds associated with a line of showers and thunderstorms toppled a tree onto a car in the town of Milton. The 21-year-old female driver of the car from Milton Mills was killed in the incident. According to police, no other trees fell in the area.
- Hail and Damaging Winds in New Hampshire, July 26, 1994Trees and power lines were blown down in Canterbury.
- Tornadoes and Damaging Winds in New Hampshire, August 7, 1986
- Flash Flood and Flooding in New Hampshire, May 29, 2012A warm front moved through southern New Hampshire early Tuesday morning, leaving the area in a very moist, warm, and unstable airmass. Tuesday afternoon a cold front began moving across western New York and approaching southern New Hampshire.
- Tornado and Hail in New Hampshire, July 16, 2024A large MCS formed across New York state on the afternoon of July 16th. This complex continued to move eastward and held its structure as it reached New Hampshire by early evening. Bowing line segments caused multiple microbursts and high end wind damage.
- Tornado and Damaging Winds in New Hampshire, August 2, 1993Thunderstorm winds downed numerous large trees, destroying one home and damaging others in Northwood, Nottingham, and Barrington. A police officer and several other witnesses observed a tornado on the ground near North River Pond in Barrington.
- Tornadoes and Hail in New Hampshire, June 16, 1986
- Flash Flood and Hail in New Hampshire, August 6, 2003Slow moving severe thunderstorms brought damaging winds, hail, and flash flooding to Cheshire County. Westmoreland was the hardest hit area, where most of the town's roads were blocked off because of flooding, downed trees, and power lines.
- Damaging Winds in New Hampshire, June 18, 2026An unseasonably strong mid-level shortwave trough progressed across Northern New England on June 18th. This brought deep layer shear that allowed for high potential storm structure organization into line segments.
- Tornado and Damaging Winds in New Hampshire, July 14, 1988
- Hail and Damaging Winds in New Hampshire, July 21, 2022A hot and humid airmass was in place across the northeastern United States ahead of an approaching cold front with these ingredients resulting in numerous showers and thunderstorms across New Hampshire and western Maine.
- Hail and Damaging Winds in New Hampshire, July 28, 2018An approaching shortwave and increasing shear combined with a slow moving cold front to produce scattered showers and thunderstorms on the afternoon of July 28th.
- Hail and Damaging Winds in New Hampshire, August 31, 1993High thunderstorm winds caused about $55,000 in damage to a gymnasium in Colebrook. Several nearby trees were blown down. A ham operator reported golfball-size hail in the Halls Stream area just north of Pittsburg.
More
Thunderstorm Wind everywhereEvery kind of event in New Hampshire
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.