Tornado History Map

Belknap County, New Hampshire tornado history

12 tornadoes recorded in or across Belknap County from 1960 to 2020, coloured by rating on the map.

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Years1950 to 2025
Rating (F or EF scale)

Shows tornadoes that started in, or crossed, the chosen state. To see how many have passed near you, search a town or ZIP code, or tap the map.

Key
  • F0 / EF0 Light damage
  • F1 / EF1 Moderate damage
  • F2 / EF2 Considerable damage
  • F3 / EF3 Severe damage
  • F4 / EF4 Devastating damage
  • F5 / EF5 Incredible damage
  • Unknown Not rated (2007 onwards)

How to read the lines. Each line is one tornado, drawn from where it started to where it ended, coloured and sized by its rating. A dot means the record has no end point. Tap a line for its details, or tap anywhere else to see how many tornadoes have passed nearby. Weaker tornadoes appear as you zoom in. Ratings use the Fujita (F) scale before 1 February 2007 and the Enhanced Fujita (EF) scale from then on.

Tornadoes in Belknap County

The Storm Prediction Center records 12 tornadoes whose paths touched Belknap County, New Hampshire between 1960 and 2020. They killed 1 person and injured 9. The busiest month is July, with 7 tornadoes. The strongest was an EF2 on 24 July 2008. The most recent was on 22 August 2020.

  • 12tornadoes
  • 1death
  • 9injuries
  • 299per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in Belknap County?

RatingTornadoesShare
F0 / EF0542%
F1 / EF1433%
F2 / EF2325%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Belknap County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 3 in 1970s.1960s11970s31990s22000s22010s32020s1

The 2020s only run to 2020, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1960s1
1970s3
1990s2
2000s2
2010s3
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 7 in Jul.Jan0Feb0Mar0Apr0May1Jun2Jul7Aug2Sep0Oct0Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May1
Jun2
Jul7
Aug2
Sep0
Oct0
Nov0
Dec0

Records for Belknap County

  • Deadliest and Strongest and Longest path: New Hampshire tornado24 July 2008, EF2, 1 death, 2 injuries, 50.5 miles long
  • Most recent: New Hampshire tornado22 August 2020, EF0, 1.5 miles long

Many of these tornadoes killed or injured people. The numbers are the official record's, and they may be revised.

More in New Hampshire

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