Tornado History

New Hampshire Tornado History

This page summarizes tornado history for New Hampshire. The local dataset contains 110 tornado records from 1951 through 2024, with a strongest listed rating of F3 (Severe damage) and at least $12.7M in reported property damage. The latest tornado record in this group is July 16, 2024. Across these records, NOAA lists 1 deaths and 30 injuries.

Key Tornado Statistics

Total Tornadoes110
Total Deaths1
Total Injuries30
Property Damage$12.7M
Avg Length3.2 mi
Avg Width117 yd

Key Tornado Facts for New Hampshire

Top local patterns from the historical tornado records in this group.

Average 1.5 tornadoes per year (1.3/yr in last decade)
July is the peak tornado month with 49 recorded events
Deadliest tornado: EF2 in New Hampshire with 1 deaths
1963 was the most active year with 9 tornadoes
The 1960s had the most tornado activity (31 events)
Longest tornado: 20.38 miles in New Hampshire
Widest tornado: 880.0 yards in New Hampshire
Most tornadoes in one day: 5 on Jul 24, 2008

Monthly Distribution

Shows tornado frequency across months of the year, highlighting seasonal patterns and peak tornado periods.

January
February
March
April
May
June
July
August
September
October
November
December

Summary: In New Hampshire, July is the most active month with 49 tornadoes.

Annual Tornado Trend

Shows year-by-year tornado counts, making active years and quiet stretches easier to spot.

9630

Summary: 1963 was the most active year with 9 recorded tornadoes.

Tornado Intensity Distribution

Shows the breakdown of tornadoes by EF/F rating.

F0
EF0
F1
EF1
F2
EF2
F3
Unknown

Summary: F1 tornadoes are the most common in this group, with 37 recorded events.

Property Damage Trends

Visualizes reported property damage over time. Bars use a log-like scale so very large damage years do not flatten the rest of the chart.

$3.2M$325K$32K$0

Summary: The highest reported property damage year in this group is 1986 with at least $3.2M in NOAA-listed property damage.

Tornado Count By County

Compares the counties with the most tornado records in this state dataset.

Hillsborough
Cheshire
Grafton
Belknap
Rockingham
Carroll
Sullivan
Coos
Merrimack
Strafford

Summary: Hillsborough County has the highest count in this state group with 19 tornado records.

Historical Track Sketch

F3 June 9, 19531953F3 August 20, 19681968F2 June 22, 19811981EF2 July 24, 20082008EF2 July 24, 20082008EF2 July 24, 20082008F2 July 2, 19611961F2 June 9, 19631963F2 August 13, 19631963F2 August 11, 19661966F2 May 3, 19761976F2 July 3, 19971997EF2 July 24, 20082008EF2 July 24, 20082008F2 May 31, 1998F2 June 19, 1957F2 May 14, 1963F2 July 18, 1963F2 July 17, 1968F2 July 3, 1972F2 May 21, 2006F2 August 21, 1951F2 July 2, 1961F2 July 9, 1962F2 June 6, 1969F2 May 11, 1973F2 July 6, 1999F2 July 6, 1999F1 August 7, 1986F1 July 3, 1997F1 May 9, 1963F1 May 31, 1972F1 July 5, 1984F1 July 5, 1984F1 July 5, 1984F1 August 7, 1986F1 June 16, 1986F1 June 16, 1986F1 July 14, 1988F1 August 13, 1999EF1 July 16, 2024F1 July 31, 1954F1 July 18, 1963F1 August 28, 1965F1 July 12, 1967F1 August 20, 1968F1 July 21, 1972F1 July 21, 1972F1 July 23, 1978F1 July 5, 1984EF1 May 16, 2022F1 June 24, 1960F1 July 21, 1961F1 August 26, 1961F1 July 14, 1963F1 May 20, 1963F1 July 19, 1966F1 July 26, 1966F1 July 19, 1968F1 August 9, 1972F1 July 19, 1972EF1 July 18, 2022EF1 June 23, 2024F1 June 9, 1953F1 May 31, 1972F1 August 15, 1976F1 July 23, 1995F1 July 6, 1999F1 August 13, 1999EF1 August 21, 2011EF1 May 4, 2018EF1 July 27, 2023F0 August 8, 1980F0 October 24, 1955F0 July 9, 1962F0 June 27, 1964F0 July 14, 1965F0 October 3, 1970EF0 August 22, 2020F0 June 23, 1965© OpenStreetMap contributors
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Notable Tornado Records

The table highlights the strongest and most damaging records in this page's local dataset. Damage totals are NOAA-reported minimum estimates where available.

DateRatingAreaLengthWidthDeathsInjuriesMin. property damage
June 9, 1953F3Rockingham, New Hampshire1.5 mi100 yd05$25K
August 20, 1968F3Hillsborough, New Hampshire1 mi27 yd01$25K
June 22, 1981F2Strafford, New Hampshire8.7 mi40 yd00$2.5M
July 24, 2008EF2Rockingham, New Hampshire4.86 mi880 yd12$840K
July 24, 2008EF2Belknap, New Hampshire11.92 mi880 yd00$561K
July 24, 2008EF2Carroll, New Hampshire19.99 mi880 yd00$347K
July 2, 1961F2Rockingham, New Hampshire5.1 mi400 yd01$250K
June 9, 1963F2Hillsborough, New Hampshire10 mi77 yd00$250K
August 13, 1963F2Cheshire, New Hampshire2 mi17 yd00$250K
August 11, 1966F2Grafton, New Hampshire9 mi100 yd00$250K
May 3, 1976F2Strafford, New Hampshire1 mi33 yd00$250K
July 3, 1997F2Hillsborough, New Hampshire2 mi250 yd00$250K
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Source And Limits

Data sourced from NOAA Storm Prediction Center and the NCEI Storm Events Database. TornadoTrace summarizes reported weather events for screening and research; it is not a damage assessment, inspection, or insurance determination. Coordinates and records can be approximate, incomplete, revised, or missing. No warranty of completeness or accuracy.

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