Carroll storm history
Storm events recorded in Carroll, New Hampshire between 1950 and 2025.
404
Total events
10
Tornadoes
91
Hail
88
Floods
0
Deaths
$17.7M
Property damage
Most significant events
Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.
Heavy rain from Tropical Storm Irene caused serious flash flooding on the Saco River in Bartlett.
Flooding and damages were countywide.
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…
Hail Hail
A severe thunderstorm dropped hail the size of half dollars in Jackson Falls.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree onto wires Bean Road in Moultonborough.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires in Tuftonboro.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees on Wentworth Rd. in Brookfield.
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.
Hail Hail
A server thunderstorm dropped hail the size of quarters on White Mtn. Hwy. in W. Ossipee.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed trees and wires on Plains Rd. near Nichols Beach.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed several trees in Chocorua.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed numerous trees onto wires near NH Highway 17.
Hail Hail
A severe thunderstorm dropped hail the size of quarters in Conway, 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.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed numerous trees and branches at a campground parking lot off the Crawford Notch Rd.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree on Main St. in Chatham, NH.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed trees and wires on Green Mountain Rd. in Effingham.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed a tree and wires blocking traffic on Jackson Pond Rd. in West Ossipee.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm outflow winds downed numerous trees across town in Effingham, a large tree destroyed a shed.
Flash Flood Flash Flood
County dispatch reported Modoc Rd in Madison was washed out due to excessive rainfall and snowmelt.
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 …
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…
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.
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…
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 …
Flood Flood
Heavy rain and snowmelt caused rapid runoff that flooded a section of NH 109 just west of Wakefield.
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.
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.
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.
Flash Flood Flash Flood
Heavy rain and rapid snowmelt combined with steep terrain to produce rapid runoff into the Ellis River. The small stream became a raging river after 6 inches of rain and 3 inches of snowmelt overwhelmed the stream system. Downstream in Jackson, properties along the river were inu…
Hail Hail
A severe thunderstorm dropped hail the size of half dollars near the Foss Mountain Trail in Eaton.
Flash Flood Flash Flood
Heavy rain between 2 to 5 inches fell across the Madison area. Runoff caused the full road closure of Rt 113.
Flash Flood Flash Flood
Heavy rain caused a washout on NH-109 in Wolfboro.
Flash Flood Flash Flood
Heavy rain caused Route 28 in Wolfboro to wash-out between the Belknap and Carroll County line.
Flash Flood Flash Flood
Heavy rain caused a washout on South Main Street in Wolfboro.
Flood Flood
The Saco River came out of banks on July 16th following heavy rain showers. The USGS river gage at Conway exceeded the flood stage of 9 feet, cresting at 8.3 feet on the 16th. The impacts were mainly focused at low lying campgrounds and flooding at Transvale Road.
Flood Flood
The Saco River came out of banks on July 11th following heavy rain showers. The USGS river gage at Conway exceeded the flood stage of 9 feet, cresting at 9.4 feet on the 11th. The impacts were mainly focused at low lying campgrounds and flooding at Transvale Road.
Flash Flood Flash Flood
Heavy rainfall with rates over 3 inches and hour caused Youngs Brook to overflow its banks. The Brook flooded Browns Ridge Road at Youngs Road in Ossipee.
Flash Flood Flash Flood
Repeated rounds of rainfall between the 26th and 28th saturated the ground, and by the afternoon of the 28th the runoff was rapid and produced flash flooding. Heavy rainfall caused flooding on NH-109, eroded ditches along the side of the road, undermining the edge of the roadway.…
Flash Flood Flash Flood
Flooding on Tin Mile Road with road damage in Jackson.
Flash Flood Flash Flood
Locally heavy rain caused New Hampshire Route 113 to close due to flooding in multiple areas between Tamworth and Madison. Route 153 was closed due to flooding in Eaton.
Flood Flood
Locally heavy rain caused Route 16B flooding at the intersection of Route 16 in Center Ossipee.
Flood Flood
The Saco River came out of banks on May 1st that caused significant flooding to several camps and campgrounds between Conway and Bartlett. The flooding significantly impacted travel in and out of the area due to closed roads. Flooding started on the upper portion of the West Side…
Flood Flood
The Saco River climbed 1.5 feet above flood stage, cresting at 10.5 feet at the USGS gage. Minor flooding occurred as floodwaters surrounded properties across Transvale Acres in Conway. Flood waters 1 to 2 feet deep in sections of east bank camping areas.
Flood Flood
Road flooding on NH 109 Between Governors Road and Brice Drive.
Flood Flood
Flooding reported on NH RT-153 between Brownfield Road and Potter Road.
Flood Flood
Flooding at RT-153 at Madison and Freedom Town Line.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed trees and wires in Center Ossipee.
Thunderstorm Wind Thunderstorm Wind
Severe thunderstorm wind gusts downed trees and wires near Province Lake in Effingham.
Events by year
| Year | Events | Tornadoes |
|---|---|---|
| 2025 | 4 | 0 |
| 2024 | 13 | 0 |
| 2023 | 23 | 0 |
| 2022 | 21 | 0 |
| 2021 | 16 | 0 |
| 2020 | 16 | 1 |
| 2019 | 6 | 0 |
| 2018 | 4 | 0 |
| 2017 | 29 | 0 |
| 2016 | 10 | 0 |
| 2015 | 12 | 0 |
| 2014 | 21 | 0 |
| 2013 | 15 | 0 |
| 2012 | 14 | 0 |
| 2011 | 27 | 0 |
| 2010 | 9 | 0 |
| 2009 | 5 | 0 |
| 2008 | 35 | 1 |
| 2007 | 12 | 0 |
| 2006 | 19 | 1 |
| 2005 | 12 | 0 |
| 2004 | 1 | 0 |
| 2003 | 2 | 0 |
| 2002 | 5 | 0 |
| 2001 | 3 | 0 |
| 2000 | 4 | 0 |
| 1999 | 3 | 0 |
| 1998 | 13 | 0 |
| 1997 | 6 | 0 |
| 1996 | 3 | 0 |
| 1994 | 6 | 0 |
| 1993 | 3 | 0 |
| 1990 | 1 | 0 |
| 1988 | 5 | 0 |
| 1987 | 7 | 0 |
| 1986 | 7 | 2 |
| 1985 | 1 | 0 |
| 1984 | 2 | 0 |
| 1983 | 1 | 0 |
| 1974 | 1 | 0 |
| 1972 | 2 | 2 |
| 1971 | 1 | 0 |
| 1970 | 2 | 1 |
| 1965 | 1 | 1 |
| 1963 | 1 | 1 |