TornadoLookup

Home / States / New Hampshire

Carroll County, New Hampshire

Tornadoes, hail, floods and severe storms recorded here between 1963 and 2026, from NOAA's Storm Events Database. Search an address to see which tornadoes came closest to it.

10
Tornado reports
91
Hail reports
104
Floods since 1996
424
All events
0
Deaths
$17.9M
Property damage

Tornado paths in Carroll County

The part of each tornado’s path NOAA recorded in this county, 10 in all. Zoom in and the paths widen to their surveyed width.

EF0EF1EF2EF3EF4EF5Unrated

Year by year

19632026
Hover or tap a bar to see that 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.

August 28, 2011 · Carroll, New Hampshire
Flash Flood Flash Flood$2.4M damage
Heavy rain from Tropical Storm Irene caused serious flash flooding on the Saco River in Bartlett.
April 16, 2007 · Carroll, New Hampshire
Flood Flood$1.2M damage
Flooding and damages were countywide.
July 26, 1994 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind1 injury, $5.0M damage
A very strong downburst from a thunderstorm caused substantial damage along a one half mile wide and six mile long path. Property damage included 30 homes with severe damage, 150 other homes with lesser amounts of damage and several cars crushed by felled trees. One hundred acres…
August 7, 1986 · Carroll, New Hampshire
Tornado F1 Tornado$2.5M damage
June 18, 2026 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
The first microburst occurred over the open water of Lake Winnipesaukee shortly after 4:00 PM on June 18th. Based on damage reports this likely occurred in the vicinity of Round and Welch Islands in Gilford, New Hampshire. There were pictures of trees snapped on Round Island and …
June 18, 2026 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind1 injury
It was determined that there was a second microburst just northeast of the first, along the path of the mesocyclone. There was no visible damage to the backlands of Cow Island, so the NWS Storm Damage Survey Team estimates the second microburst began somewhere just north of Barbe…
June 18, 2026 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a trees in East Sandwich.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rainfall caused flooding along Colby Hill Road resulting in road closure.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Part of Banfield Brook overflowed onto Bergdorf Drive in Madison resulting in the road closure.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rainfall caused a washout on Cleveland Hill Road in Tamworth.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
The Forrest Brook overflowed onto Modock Hill Road near Mooney Hill Road resulting in closures.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Forrest Brook in Madison overflowed onto Village Road near Forest Pines, resulting in a road closure and washout.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain over steep terrain resulted in flooding and debris movement onto Old Colony Road in southern Conway resulting in the road closure.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain over steep terrain resulted in Forrest Brook overflowing onto East Madison Road near just south of NH-113 in Madison.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain over steep terrain resulted in the road closure of NH 113 at Eidelweiss Drive with severe washouts.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain over steep terrain resulted in NH 113 being closed at Cranmore Shores Road with washouts.
June 11, 2026 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain over steep terrain resulted in Deer River overflowing onto High Street in Silver Lake resulting in the road closure and a severe washout.
June 11, 2026 · Carroll, New Hampshire
Flood Flood
Heavy rain over steep terrain resulted in Eidelweiss Drive road being closed from Big Loop to Thusis Road due to flooding.
June 11, 2026 · Carroll, New Hampshire
Flood Flood
Heavy rain over steep terrain resulted in Salins Rd and Appenvel Way was being closed at due to flooding at the intersection.
June 11, 2026 · Carroll, New Hampshire
Flood Flood
Heavy rain over steep terrain resulted in NH-113 being closed between NH-16 in Tamworth to High St in Silver Lake due to flooding.
June 11, 2026 · Carroll, New Hampshire
Flood Flood
Heavy rain over steep terrain resulted in NH-153 in Eaton being reduced down to one lane due to flooding.
June 6, 2026 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed multiple trees and wires in Moultonborough.
May 15, 2026 · Carroll, New Hampshire
Flood Flood
Heavy rainfall on May 15 brought basin-average precipitation of 3.25 inches to the Upper Saco Basin. The resulting runoff pushed the Saco River at Conway above its 9.0 ft flood stage during the day, reaching a crest of approximately 9.6 ft during the evening of May 15 before rece…
March 17, 2026 · Carroll, New Hampshire
Flood Flood
The Saco River at Conway reached minor flood conditions on the morning of March 17. Numerous campgrounds flooded. The river reached 9.23 ft, exceeding the 7 ft flood stage.
July 3, 2025 · Carroll, New Hampshire
Hail Hail
A severe thunderstorm dropped hail the size of half dollars in Jackson Falls.
July 3, 2025 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree onto wires Bean Road in Moultonborough.
June 24, 2025 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires in Tuftonboro.
June 24, 2025 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees on Wentworth Rd. in Brookfield.
August 19, 2024 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rainfall brought between 2 and 3 inches of rainfall north of Lake Winnipesaukee including Tuftonboro where Beach Pond Road was washed out.
August 15, 2024 · Carroll, New Hampshire
Hail Hail
A server thunderstorm dropped hail the size of quarters on White Mtn. Hwy. in W. Ossipee.
August 4, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed trees and wires on Plains Rd. near Nichols Beach.
August 4, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed several trees in Chocorua.
August 4, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed numerous trees onto wires near NH Highway 17.
July 17, 2024 · Carroll, New Hampshire
Hail Hail
A severe thunderstorm dropped hail the size of quarters in Conway, New Hampshire.
July 13, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow wind gusts downed multiple trees in Effingham along Rt. 25. A large tree fell into a parked vehicle and crushed it. Tree branches fell onto a building.
June 30, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed numerous trees and branches at a campground parking lot off the Crawford Notch Rd.
June 20, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree on Main St. in Chatham, NH.
June 19, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires on Green Mountain Rd. in Effingham.
June 19, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree and wires blocking traffic on Jackson Pond Rd. in West Ossipee.
June 19, 2024 · Carroll, New Hampshire
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed numerous trees across town in Effingham, a large tree destroyed a shed.
April 12, 2024 · Carroll, New Hampshire
Flash Flood Flash Flood
County dispatch reported Modoc Rd in Madison was washed out due to excessive rainfall and snowmelt.
December 18, 2023 · Carroll, New Hampshire
Flood Flood
Severe flooding occurred in Bartlett and upstream in Hart's Location, New Hampshire on December 18th. The flooding was the result of heavy rain and rapid snowmelt along the steep slopes of the south facing mountains around Bartlett. The combined runoff from rainfall and snowmelt …
December 18, 2023 · Carroll, New Hampshire
Flood Flood
Catastrophic flooding occurred across the Conway area on December 18th following heavy rain and snowmelt. The storm featured strong southeast winds measured between 30 to 55 mph in the region, which supported orographically enhanced rainfall and supported rapid snowmelt. The comb…
December 18, 2023 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain and rapid snowmelt combined with steep terrain to produce rapid runoff. The resulting runoff over frozen ground caused NH-25 at Elijah Beede Road and Elijah Craig Road in Sandwich to be closed due to flooding from the Meadow Brook.
December 18, 2023 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain and rapid snowmelt combined with steep terrain to produce rapid runoff. The resulting runoff over frozen ground cause numerous washouts and sinkholes along Route 302, along with a rockslide near Willey House. All lanes were closed from mile 43.6 to 55.8 in Crawford Not…
December 18, 2023 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain and rapid snowmelt combined with steep terrain to produce rapid runoff. The resulting runoff over frozen ground caused numerous washouts and sinkholes along the Kancamagus Highway/NH Route 112. Flooding from the adjacent Swift River also eroded a 100 foot section just …
December 18, 2023 · Carroll, New Hampshire
Flood Flood
Heavy rain and snowmelt caused rapid runoff that flooded a section of NH 109 just west of Wakefield.
December 18, 2023 · Carroll, New Hampshire
Flood Flood
Heavy rain and snowmelt caused rapid runoff and flooding of the Ossipee River in Effingham causing NH 153 or Province Lake Road to be closed.
December 18, 2023 · Carroll, New Hampshire
Flood Flood
Heavy rain and snowmelt caused rapid runoff and flooding from the Cold River. River overflowed the Stone House Road bridge in Chatham along the Maine and New Hampshire stateline.
December 18, 2023 · Carroll, New Hampshire
Flash Flood Flash Flood
Heavy rain and rapid snowmelt combined with steep terrain to produce rapid runoff. The resulting runoff over frozen ground caused flooding from the Rocky Branch River in Glen New Hampshire. The Stilling's Road became inundated and was closed due to the flooding.
Events by year, as a table
YearEventsTornadoes
2026200
202540
2024130
2023230
2022210
2021160
2020161
201960
201840
2017290
2016100
2015120
2014210
2013150
2012140
2011270
201090
200950
2008351
2007120
2006191
2005120
200410
200320
200250
200130
200040
199930
1998130
199760
199630
199460
199330
199010
198850
198770
198672
198510
198420
198310
197410
197222
197110
197021
196511
196311