Tornado History Map

New Hampshire tornado history

104 tornadoes recorded in New Hampshire from 1951 to 2024, drawn on the map and coloured by rating.

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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 New Hampshire

The Storm Prediction Center records 104 tornadoes that touched New Hampshire between 1951 and 2024, and 99 of them began there. A tornado that crossed a state line counts in every state it touched. They killed 1 person and injured 30. The busiest month is July, with 43 tornadoes.

  • 104tornadoes
  • 1death
  • 30injuries
  • 116per 10,000 sq mi of land
  • 10counties touched

Tornadoes per 10,000 square miles lets you compare states of different sizes. It counts every tornado that touched the state.

How strong were New Hampshire's tornadoes?

RatingTornadoesShare
F0 / EF02928%
F1 / EF14947%
F2 / EF22221%
F3 / EF344%
F4 / EF400%
F5 / EF500%
Unknown rating00%

New Hampshire tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 32 in 1960s.1950s91960s321970s211980s101990s92000s42010s122020s7

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1951.

Show the numbers
PeriodCount
1950s9
1960s32
1970s21
1980s10
1990s9
2000s4
2010s12
2020s7

The record has changed over the decades as detection and reporting improved, so more weak tornadoes show up in recent years than in the 1950s. The year with the most in New Hampshire was 1963, with 9.

Tornadoes by month
Bar chart of tornadoes by period. The most is 43 in Jul.Jan0Feb0Mar0Apr0May14Jun19Jul43Aug25Sep1Oct2Nov0Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May14
Jun19
Jul43
Aug25
Sep1
Oct2
Nov0
Dec0

Deadliest tornadoes that touched New Hampshire

  • New Hampshire tornado24 July 2008, EF2, 1 death, 2 injuries, 50.5 miles long

Strongest tornadoes that touched New Hampshire

  • New Hampshire tornado20 May 1963, F3, 14 miles long
  • New Hampshire tornado25 August 1969, F3, 5.7 miles long
  • New Hampshire tornado9 June 1953, F3, 5 injuries, 1.5 miles long
  • New Hampshire tornado20 August 1968, F3, 1 injury, 1 mile long
  • New Hampshire tornado24 July 2008, EF2, 1 death, 2 injuries, 50.5 miles long
  • New Hampshire tornado9 June 1963, F2, 10 miles long

Most recent tornadoes in New Hampshire

  • New Hampshire tornado16 July 2024, EF1, 1.8 miles long
  • New Hampshire tornado23 June 2024, EF1, 3.4 miles long
  • New Hampshire tornado27 July 2023, EF1, 12.7 miles long
  • New Hampshire tornado18 July 2022, EF1, 0.4 miles long
  • New Hampshire tornado16 May 2022, EF1, 4.8 miles long

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

New Hampshire counties

Every county that a tornado has touched is listed, most tornadoes first. 10 of them have at least 3 tornadoes and their own page.

CountyTornadoesStrongest
Hillsborough County22F/EF3
Cheshire County19F/EF3
Grafton County15F/EF3
Carroll County13F/EF2
Belknap County12F/EF2
Rockingham County12F/EF3
Coos County8F/EF1
Merrimack County7F/EF2
Strafford County7F/EF2
Sullivan County7F/EF2

Other states

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