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Sullivan County, New Hampshire
Tornadoes, hail, floods and severe storms recorded here between 1955 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.
7
Tornado reports
52
Hail reports
58
Floods since 1996
555
All events
4
Deaths
$14.9M
Property damage
Tornado paths in Sullivan County
The part of each tornado’s path NOAA recorded in this county, 7 in all. Zoom in and the paths widen to their surveyed width.
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Year by year
All storm eventsTornadoes
NOAA's storm database records tornadoes back to 1950 and hail and thunderstorm wind back to 1955, but floods only from 1996 on. Older floods are missing here. For those, the U.S. Geological Survey's stream gauge records and flood reports are the place to look.
Most significant events
The strongest tornadoes, deadliest events and biggest damage here, up to 50.
State police reported that a tree fell on a vehicle while traveling on State Rte. 11 in Sunapee New Hampshire. The collision caused a single fatality of the vehicle driver.
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.
Acworth was the hardest hit community during the flash flooding on July 29th. Localized rainfall amounts on July 29th approached or exceeded 4.5 inches in less than six hours. Reports from FEMA and State Officials list 75% of the town's 29 roads were damaged. Multiple bridges wer…
Heavy rain from slow moving thunderstorms produced flash flooding in Claremont.
Hail Hail
Severe thunderstorms dropped hail the size of ping pong balls in Cornish. Dents were seen in a few cars.
Hail Hail
Severe thunderstorms dropped hail the size of half dollars in Croydon.
Hail Hail
Severe thunderstorms dropped hail the size of ping pong balls on NH 103 in East Newport.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees on wires on HWY 120 near Town House Rd. in Cornish. Hail also reported with accumulation.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees on wires on NH 11 near Grandliden Rd.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires down in Grantham.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires down blocking Dunham Road in Unity.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires down blocking Ryder Corner road in the area of North Road in Sunapee.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed multiple trees and power lines down on Red Water Brook Road in Claremont.
Thunderstorm Wind Thunderstorm Wind
Chaser measured recent wind gust of 64 mph in Claremont on a handheld anemometer.
Drought Drought
The USDM on April 28 had 46% of Sullivan County in Severe Drought (D2), but by the end of May severe drought dropped to 5%, with 70% in Moderate Drought (D1) and 24% in Abnormally Dry (D0) conditions. May rainfall averaged 4.76 inches, well above normal by 1.14'. However, one wet…
Drought Drought
Sullivan County averaged 3.41 inches of precipitation in April, approximately 0.36 inches below normal. The USDM on March 31st had 46% of the county in Severe Drought (D2) and 45% in Moderate Drought (D1), and by the end of the month the only change was expansion of D1 to 54%. Th…
Drought Drought
Sullivan County averaged 2.46 inches of precipitation in March, approximately 0.81 inches below normal, marking the 3rd driest June through March with deficits over 7 inches. The USDM on March 31st had 46% of the county in Severe Drought (D2) and 45% in Moderate Drought (D1).
Winter Storm Winter Storm
Snow began during the mid afternoon on the 20th and quickly became moderate to heavy at times. Snow tapered off in the late evening and light snow continued into the early morning hours of the 21st before ending. Snowfall totals ranged from 4 to 7 inches.
Drought Drought
Sullivan County averaged 1.19 inches of precipitation in February, approximately 1.52 inches below normal, marking the 11th driest February. The USDM on February 24th had 90% of the county in Severe Drought (D2) and 10% in Moderate Drought (D1).
Winter Storm Winter Storm
Snow overspread the Upper Valley by midday on the 25th. Within an hour or two snow was moderate to heavy at times as an intense band of lift moved into the region. Snowfall rates were one to two inches per hour during the heavy snow. Snow continued overnight into the 26th, with o…
Drought Drought
January can be summarized by a frozen cap effect as well below normal temperatures and significant frost depths prevented any meaningful sub-surface water recharge. In addition, precipitation remained below normal for the entire region for the month. This led to a lower than norm…
Winter Storm Winter Storm
Precipitation began in the very early morning hours on the 29th, and began mainly as freezing rain except for a few spots that started as snow. The freezing rain was heaviest and accumulated most rapidly through the morning hours. It was around this time that trees and wires bega…
Winter Storm Winter Storm
Snow overspread the Upper Valley on the morning of the 2nd. A nearly stationary band of snow set up over the southern part of Sullivan County through the afternoon, with moderate to heavy snow at times. Snow tapered off late in the evening on the 2nd. Snowfall totals range from 5…
Drought Drought
Sullivan County averaged 2.02 inches of precipitation in December, approximately 1.4 inches below normal. Lake Sunapee remained at near-record winter lows, and the Sugar River saw flows drop to the 8th percentile. The USDM on December 30th had 52% of the county in Moderate Drough…
Drought Drought
Sullivan County averaged 2.34 inches of precipitation in November, approximately an inch and a half below normal. The rainfall deficits carried over from summer grew over 5 inches, making it the 8th driest stretch between July through November on record. By mid-November, Sullivan…
Drought Drought
Sullivan County averaged 3.12 inches of precipitation in September, approximately half an inch below normal. The rainfall deficits carried over from summer grew over 4 inches, making it the 4th driest stretch between July through September on record. The USDM on September 30th ha…
Thunderstorm Wind Thunderstorm Wind
A severe thunderstorm outflow boundary downed a tree near New England Museum of Mines in Acworth.
Thunderstorm Wind Thunderstorm Wind
A severe thunderstorm outflow boundary downed a tree on an old barn along NH123A near Forest Road near Alstead.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed 2 trees down on NH-12A, partially blocking a road in Cornish.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed numerous smaller trees and branches on Cornish Stage Rd. and Cornish Flats.
Winter Storm Winter Storm
Long duration mixed precipitation event impacted the region from the 29th through the early morning hours of the 31st. A stationary boundary was a focus area for waves of precipitation through this period. Snow overspread the area on the 29th before transitioning to sleet and fre…
Winter Storm Winter Storm
Light snow overspread the area in the evening on the 15th. This continued into the morning of the 16th when an area of strong warm air advection resulted in a laterally translating band of moderate to heavy snow. This swept through the region by the afternoon of the 16th. Periods…
Winter Storm Winter Storm
Snow overspread the area in the late evening on the 8th. Strong warm air advection resulted in a broad area of snow, but embedded within that area of precipitation a relatively narrow band of occasionally heavy snow developed. A very deep snow growth zone also led to a prolonged …
Winter Storm Winter Storm
While snow began early in the morning on the 28th, snowfall rates picked up late morning through late afternoon. Snowfall rates where one inch per hour at times, especially once you got out of the lower elevations of the Connecticut River Valley. Snow was heavy and wet, clinging …
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed multiple trees blocking Grissom Lane in Claremont, NH.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed numerous trees throughout Claremont.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed several trees and stripped material off a commercial building on Clark Drive in Claremont.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees on Plains Rd. in West Claremont.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree blocking NH Route 12 in Charleston, NH.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed multiple trees along Highway 120 in Meriden, NH.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires on Rt. 12Z in Plainfield, NH.
Hail Hail
A severe thunderstorm dropped half dollar size hail south of Charlestown, NH.
Thunderstorm Wind Thunderstorm Wind
Outflow wind gusts from a severe thunderstorm downed a tree that caused blocked traffic south of Lempster.
Winter Storm Winter Storm
Snow overspread the area during the evening of the 3rd, heavy at times overnight into the morning of the 4th. The Connecticut River Valley was far enough west to be well into the colder portions of the storm, but given the late season winter event temperatures were marginal at ti…
Winter Storm Winter Storm
Snowfall rates in excess of 1 inch per hour in the morning led to snowfall totals ranging between 14 and 22 inches.
Winter Weather Winter Weather
Snow squalls arrived in the Connecticut River Valley during the afternoon on the 14th. The Springfield webcam on I-89 observed visibility of one quarter mile with quick, light accumulations on the highway. The squalls lasted about 20 minutes at any given location before condition…
Winter Storm Winter Storm
Light to moderate snow began late in the evening on the 6th. Several rounds of moderate to heavy snow occurred through the event, one early in the morning on the 7th with the initial mesoscale warm advection band, and a second late in the morning as deformation forcing increased …
Flash Flood Flash Flood
An un-named tributary to the Sugar River flows from south to north out of Hubbard Hill came out of banks on the 8th. Floodwaters damaged the intersection of Roberts Road and Borough Road. An unofficial weather station in the community measured over 2 and a half inches, with insta…
Events by year, as a table
| Year | Events | Tornadoes |
|---|---|---|
| 2026 | 17 | 0 |
| 2025 | 12 | 0 |
| 2024 | 14 | 0 |
| 2023 | 32 | 0 |
| 2022 | 26 | 1 |
| 2021 | 18 | 0 |
| 2020 | 13 | 0 |
| 2019 | 5 | 0 |
| 2018 | 10 | 1 |
| 2017 | 11 | 0 |
| 2016 | 10 | 0 |
| 2015 | 8 | 0 |
| 2014 | 11 | 0 |
| 2013 | 24 | 0 |
| 2012 | 8 | 0 |
| 2011 | 20 | 0 |
| 2010 | 12 | 0 |
| 2009 | 7 | 0 |
| 2008 | 16 | 0 |
| 2007 | 40 | 0 |
| 2006 | 16 | 0 |
| 2005 | 17 | 0 |
| 2004 | 11 | 0 |
| 2003 | 11 | 0 |
| 2002 | 34 | 0 |
| 2001 | 25 | 0 |
| 2000 | 22 | 0 |
| 1999 | 31 | 1 |
| 1998 | 20 | 0 |
| 1997 | 5 | 0 |
| 1996 | 15 | 0 |
| 1995 | 4 | 0 |
| 1994 | 1 | 0 |
| 1989 | 1 | 0 |
| 1988 | 2 | 0 |
| 1987 | 2 | 0 |
| 1986 | 4 | 0 |
| 1983 | 3 | 0 |
| 1982 | 1 | 0 |
| 1981 | 2 | 0 |
| 1980 | 1 | 0 |
| 1979 | 1 | 0 |
| 1975 | 2 | 0 |
| 1970 | 1 | 0 |
| 1966 | 2 | 0 |
| 1963 | 1 | 1 |
| 1962 | 4 | 2 |
| 1960 | 1 | 0 |
| 1955 | 1 | 1 |
Search your address
See every tornado that passed within 25 miles of a place in Sullivan County, measured to its path.
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