Belknap County, New Hampshire tornadoes

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12confirmed tornadoes since NOAA records began in 1950 (the first here in 1960). Most recent: August 22, 2020, EF0. 2026 so far: 0 preliminary reports preliminary

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Map

Every tornado path in the county

Tornado paths, 1950 to 2025
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(E)F0(E)F1(E)F2(E)F3(E)F4(E)F5Unrated

Each path is a straight line from where the tornado started to where it ended, which is all most NOAA records hold. Tap a path for its details.

Recent warnings

Recent warnings in Belknap County

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The record

At a glance

Total121950 to 2025
Per year0.2average since 1950
Peak monthJuly7 of 12
StrongestEF2Jul 24, 2008
Deaths1whole paths, see note
Injuries9whole paths, see note

Deaths and injuries are NOAA's totals for each tornado's whole path, which can extend beyond Belknap County.

Seasons

When tornadoes hit here

By month

70 Jan: 0Feb: 0Mar: 0Apr: 0May: 1Jun: 2Jul: 7Aug: 2Sep: 0Oct: 0Nov: 0Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

July is the peak month, with 7 of 12 tornadoes.

By time of day

20 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 1: 0: 09 AM: 1: 1: 012 PM: 1: 1: 13 PM: 1: 2: 16 PM: 1: 0: 09 PM: 1: 0: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 4:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01960: 1: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 2: 0: 0: 0: 0: 0: 1: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 1: 0: 0: 0: 12000: 0: 0: 0: 0: 1: 0: 0: 0: 1: 02010: 0: 0: 1: 0: 2: 0: 0: 0: 0: 02020: 1: 0: 0: 0: 0: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
5
EF1
4
EF2
3

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

The record

Notable tornadoes

Deadliest

EF2, July 24, 2008

1 deaths, 2 injuries Strongest

EF2, July 24, 2008

50.46 mile path Longest path

50.46 miles, EF2

July 24, 2008, whole path Widest

880 yards, EF2

July 24, 2008
Every tornado

All 12 tornadoes, newest first

DateRatingPath lengthWidthDeathsInjuries
Aug 22, 2020EF01.54 mi50 yd00
Jul 24, 2014EF00.02 mi10 yd00
Jul 4, 2014EF00.36 mi10 yd00
Jun 25, 2012EF00.1 mi10 yd00
Jul 24, 2008EF250.46 mi880 yd12
Aug 13, 2004F07 mi40 yd00
Jul 6, 1999F27.5 min/a00
Jul 23, 1995F10.5 mi50 yd00
Jul 23, 1978F10.2 mi100 yd00
Jul 3, 1972F21 mi40 yd07
May 31, 1972F11 mi70 yd00
Jun 24, 1960F10.5 mi50 yd00
Nearby

Nearby counties

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025, and SPC preliminary reports for 2026. Page built October 13, 2026.