New Hampshire

10 counties4 tornadoes rated F3/EF3+63 county disaster declarations

New Hampshire has recorded 101 tornadoes since 1950, 44th among the states; 32 tropical storms and hurricanes within 50 miles since 1851.

2025
  • Tornadoes rated F2/EF2+ since 1950
  • Tropical cyclone tracks since 1851

Statewide totals

Unique events: a tornado that crossed three counties counts once.

Tornadoes since 1950
101
44th of 51
Rated F3/EF3 or stronger
4
36th of 51
Tropical cyclones within 50 mi
32
19th of 51
At hurricane strength
7
17th of 51
Acres burned since 1984
0
0 large fires
Flood insurance claims
4,395
$67.0 million paid

County leaders

Where in New Hampshire each hazard has struck most.

Notable events

The strongest tornadoes, hurricanes and fires in New Hampshire’s record. Each opens its own page.

Hurricanes and tropical storms

  1. Unnamed 1869Cat. 2
  2. Carol 1954Cat. 2
  3. Unnamed 1869Cat. 1
  4. Bob 1991Cat. 1
  5. Unnamed 1938Cat. 1
  6. Gloria 1985Cat. 1
  7. Donna 1960Cat. 1
  8. Unnamed 1944Cat. 1
  9. Unnamed 1858Tropical storm
  10. Unnamed 1874Tropical storm

Every county

Sort by any column. Each county opens its full record.

Counties of New Hampshire
Belknap County1221010830
Carroll County1019029036
Cheshire County1825024733
Coos County81009528
Grafton County1413036340
Hillsborough County2026062931
Merrimack County722029929
Rockingham County112302,16535
Strafford County722013725
Sullivan County71606233

Cities

Places of 10,000 people or more with their own records.

  • Manchester
    Hazard fingerprint for Manchester Tornado: 31th percentile. Tropical: 74th percentile. Wildfire: 0th percentile. Flood: 63th percentile. Hail & wind: 60th percentile. Heat: 33th percentile. Cold: 28th percentile. Winter: 92th percentile.
  • Nashua
    Hazard fingerprint for Nashua Tornado: 31th percentile. Tropical: 74th percentile. Wildfire: 0th percentile. Flood: 63th percentile. Hail & wind: 60th percentile. Heat: 33th percentile. Cold: 28th percentile. Winter: 92th percentile.
  • Concord
    Hazard fingerprint for Concord Tornado: 14th percentile. Tropical: 69th percentile. Wildfire: 0th percentile. Flood: 65th percentile. Hail & wind: 46th percentile. Heat: 19th percentile. Cold: 72th percentile. Winter: 88th percentile.
  • Dover
    Hazard fingerprint for Dover Tornado: 27th percentile. Tropical: 69th percentile. Wildfire: 0th percentile. Flood: 48th percentile. Hail & wind: 78th percentile. Heat: 19th percentile. Cold: 72th percentile. Winter: 88th percentile.
  • Rochester
    Hazard fingerprint for Rochester Tornado: 27th percentile. Tropical: 69th percentile. Wildfire: 0th percentile. Flood: 48th percentile. Hail & wind: 78th percentile. Heat: 19th percentile. Cold: 72th percentile. Winter: 88th percentile.
  • Keene
    Hazard fingerprint for Keene Tornado: 33th percentile. Tropical: 76th percentile. Wildfire: 0th percentile. Flood: 62th percentile. Hail & wind: 78th percentile. Heat: 0th percentile. Cold: 16th percentile. Winter: 82th percentile.
  • Portsmouth
    Hazard fingerprint for Portsmouth Tornado: 23th percentile. Tropical: 69th percentile. Wildfire: 0th percentile. Flood: 75th percentile. Hail & wind: 84th percentile. Heat: 39th percentile. Cold: 88th percentile. Winter: 95th percentile.
  • Laconia
    Hazard fingerprint for Laconia Tornado: 39th percentile. Tropical: 67th percentile. Wildfire: 0th percentile. Flood: 61th percentile. Hail & wind: 74th percentile. Heat: 13th percentile. Cold: 74th percentile. Winter: 89th percentile.
  • Lebanon
    Hazard fingerprint for Lebanon Tornado: 14th percentile. Tropical: 53th percentile. Wildfire: 0th percentile. Flood: 74th percentile. Hail & wind: 37th percentile. Heat: 25th percentile. Cold: 90th percentile. Winter: 96th percentile.
  • Claremont
    Hazard fingerprint for Claremont Tornado: 20th percentile. Tropical: 63th percentile. Wildfire: 0th percentile. Flood: 61th percentile. Hail & wind: 52th percentile. Heat: 13th percentile. Cold: 72th percentile. Winter: 88th percentile.
  • Somersworth
    Hazard fingerprint for Somersworth Tornado: 27th percentile. Tropical: 69th percentile. Wildfire: 0th percentile. Flood: 48th percentile. Hail & wind: 78th percentile. Heat: 19th percentile. Cold: 72th percentile. Winter: 88th percentile.