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Tornado History

Connecticut Tornado History

This page summarizes tornado history for Connecticut. The local dataset contains 124 tornado records from 1950 through 2024, with a strongest listed rating of F4 (Devastating damage) and at least $602.1M in reported property damage. The latest tornado record in this group is June 21, 2024. Across these records, NOAA lists 4 deaths and 701 injuries.

Key Tornado Statistics

Total Tornadoes124
Total Deaths4
Total Injuries701
Property Damage$602.1M
Avg Length2.6 mi
Avg Width99 yd

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Key Tornado Facts for Connecticut

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

Average 1.7 tornadoes per year (3.1/yr in last decade)
July is the peak tornado month with 32 recorded events
Deadliest tornado: F4 in Connecticut with 3 deaths
2018 was the most active year with 9 tornadoes
The 2010s had the most tornado activity (23 events)
Longest tornado: 43.9 miles in Connecticut
Widest tornado: 1,400.0 yards in Connecticut
Most tornadoes in one day: 5 on Jul 21, 2010

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 Connecticut, July is the most active month with 32 tornadoes.

Annual Tornado Trend

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

9630

Summary: 2018 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
F3
F4
Unknown
EFU

Summary: F1 tornadoes are the most common in this group, with 36 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.

$325.0M$32.5M$3.2M$0

Summary: The highest reported property damage year in this group is 1989 with at least $325.0M in NOAA-listed property damage.

Tornado Count By County

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

Litchfield
New Haven
Hartford
Fairfield
Tolland
Windham
Middlesex
New London

Summary: Litchfield County has the highest count in this state group with 36 tornado records.

Historical Track Sketch

F4 October 3, 19791979F4 July 10, 19891989F3 May 24, 19621962F3 May 24, 19621962F3 August 21, 19511951F3 May 10, 19541954F2 July 10, 19891989F2 July 10, 19891989F2 July 10, 19891989F2 September 6, 19731973F2 July 14, 19501950F2 August 21, 19511951F2 September 7, 19581958F2 June 23, 20012001F2 August 20, 1951F2 June 18, 1962F2 August 19, 1965F2 August 11, 1966F2 August 31, 1973F2 June 30, 1976F2 July 12, 1950F2 May 10, 1954F2 October 24, 1955F2 May 12, 1959F2 June 12, 1973F2 September 18, 1973F2 July 5, 1984EF1 July 1, 2013EF1 June 24, 2010F1 June 24, 1985F1 July 3, 1996F1 July 12, 2006EF1 June 26, 2009EF1 July 21, 2010EF1 August 27, 2020F1 June 19, 1957F1 June 23, 2001EF1 May 15, 2018EF1 May 15, 2018F1 May 29, 1995EF1 July 10, 2013EF1 October 2, 2018F1 June 5, 2002EF1 August 18, 2023F1 August 17, 1968F1 October 3, 1970EF1 September 4, 2019EF1 July 21, 2010EF1 November 13, 2021EF1 July 31, 2009EF1 July 31, 2009F1 August 16, 2000F1 May 31, 1998EF1 July 21, 2010F1 October 24, 1955F1 August 15, 1958F1 May 30, 1959F1 April 26, 1961F1 July 19, 1963F1 August 20, 1968F1 June 28, 1973F1 June 29, 1973F1 July 3, 1974F1 July 20, 1975F1 July 28, 1982F1 June 27, 1974F1 August 26, 1985F1 August 4, 1992F1 August 21, 1958F1 August 9, 1968F1 September 18, 1973F1 September 18, 1973F1 June 19, 1975F1 July 14, 1992F1 July 9, 1996F1 June 30, 1998F1 June 30, 1998F1 June 16, 2002F1 May 31, 2002EF1 May 16, 2007© OpenStreetMap contributors

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
October 3, 1979F4Hartford, Connecticut11.3 mi1400 yd3500$250.0M
July 10, 1989F4New Haven, Connecticut3 mi100 yd040$250.0M
May 24, 1962F3New Haven, Connecticut9.3 mi120 yd145$2.5M
May 24, 1962F3Hartford, Connecticut2.3 mi120 yd05$2.5M
August 21, 1951F3Middlesex, Connecticut0 mi33 yd08$250K
May 10, 1954F3Tolland, Connecticut0.3 mi33 yd02$25K
July 10, 1989F2Litchfield, Connecticut10 mi73 yd04$25.0M
July 10, 1989F2Litchfield, Connecticut2 mi100 yd020$25.0M
July 10, 1989F2New Haven, Connecticut3 mi100 yd050$25.0M
September 6, 1973F2Hartford, Connecticut3.3 mi33 yd00$2.5M
July 14, 1950F2Fairfield, Connecticut5 mi100 yd03$250K
August 21, 1951F2Litchfield, Connecticut43.9 mi100 yd09$250K

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Top County Pages

Top Location Pages

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Source And Limits

Data source: NOAA/NCEI. TornadoTrace summarizes historical records for screening and research. Coordinates, damage estimates, narratives, and event details can be approximate, incomplete, revised, or missing. Do not use this page as legal, insurance, engineering, real estate, emergency management, or safety advice.