National Storms

Connecticut tornado history

From 1950 through 2025, 127 tornadoes touched Connecticut, according to the NOAA Storm Prediction Center, the 43rd most of the 48 contiguous states and DC. The National Weather Service rated 2 of them F4/EF4 or stronger; along their paths they killed 4 people and injured 709. The deadliest, on October 3, 1979, was rated F4 and killed 3 along a path through CT and MA. From 2016 to 2025, Connecticut averaged 3 tornadoes a year.

127tornadoes since 1950
312016–2025
6F3/EF3 or stronger
4deaths
709injuries
Jun 21, 2024latest in final record

Map of every Connecticut tornado path since 1950

Rating: 012345 unknown or preliminaryLines run from the start to the end point of each path; dots mark where each tornado touched down.

All 127 paths. Zoom in to your county; click a path for its date and rating.

1950: 2 F21951: 2 F21951: 1 F31954: 1 F21954: 1 F31955: 1 F11955: 1 F21956: 1 F01957: 1 F11958: 2 F11958: 1 F21959: 1 F01959: 1 F11959: 1 F21961: 1 F11962: 1 F21962: 1 F31963: 1 F11965: 1 F21966: 1 F21968: 3 F11970: 1 F11971: 1 F21971: 1 F31972: 3 F11973: 4 F11973: 4 F21974: 2 F11975: 2 F11976: 1 F21979: 1 F41982: 1 F11983: 1 F01984: 1 F21985: 2 F11989: 2 F21989: 1 F41990: 1 F01992: 2 F01992: 2 F11993: 1 F01994: 1 F01995: 1 F01995: 1 F11996: 2 F11998: 1 F01998: 3 F12000: 1 F12001: 2 F02001: 1 F12001: 1 F22002: 2 F02002: 2 F12006: 1 F22007: 1 EF02007: 1 EF12009: 3 EF12010: 6 EF12011: 1 EF12013: 2 EF02013: 2 EF12014: 1 EF02016: 1 EF02018: 4 EF02018: 4 EF12018: 1 unknown rating2019: 1 EF12020: 5 EF02020: 2 EF12021: 7 EF02021: 1 EF12022: 1 EF02023: 1 EF02023: 2 EF12024: 1 EF019501957196419711978198519921999200620132020max 9
Tornadoes per year in Connecticut by rating, 1950–2025. Colors: F/EF0 (yellow) to F/EF5 (black); gray = unknown rating.

Source: National Storms (nationalstorms.com), CC BY 4.0, data from NOAA Storm Prediction Center storm reports.

Most recent tornadoes in Connecticut

DateRatingPath lengthDeaths / injuriesStarted in
Jun 21, 2024EF02.0 mi0 / 0Northwest Hills Planning Region, CT
Sep 13, 2023EF11.6 mi0 / 0Northeastern Connecticut Planning Region, CT
Aug 17, 2023EF12.7 mi0 / 0Northeastern Connecticut Planning Region, CT
Aug 12, 2023EF00.8 mi0 / 0Northwest Hills Planning Region, CT
Jul 28, 2022EF05.0 mi0 / 0Northwest Hills Planning Region, CT
Nov 13, 2021EF11.4 mi0 / 0Southeastern Connecticut Planning Region, CT
Nov 13, 2021EF06.1 mi0 / 0Northeastern Connecticut Planning Region, CT → RI
Nov 13, 2021EF01.9 mi0 / 0South Central Connecticut Planning Region, CT
Nov 13, 2021EF03.6 mi0 / 0Naugatuck Valley Planning Region, CT
Sep 8, 2021EF00.8 mi0 / 0Capitol Planning Region, CT
Aug 19, 2021EF04.6 mi0 / 0Northeastern Connecticut Planning Region, CT → MA
Jul 18, 2021EF01.9 mi0 / 0Capitol Planning Region, CT
Apr 21, 2021EF01.0 mi0 / 0Northwest Hills Planning Region, CT
Aug 27, 2020EF111.1 mi0 / 0South Central Connecticut Planning Region, CT
Aug 27, 2020EF00.1 mi0 / 0Naugatuck Valley Planning Region, CT
Aug 27, 2020EF00.5 mi0 / 0Northwest Hills Planning Region, CT
Aug 4, 2020EF00.0 mi0 / 0CT
Aug 2, 2020EF00.5 mi0 / 0Northwest Hills Planning Region, CT
Aug 2, 2020EF11.7 mi0 / 0Northwest Hills Planning Region, CT
Aug 2, 2020EF00.3 mi0 / 0Northwest Hills Planning Region, CT
Sep 4, 2019EF13.2 mi0 / 0Capitol Planning Region, CT
Oct 28, 2018EF02.3 mi0 / 0Southeastern Connecticut Planning Region, CT
Oct 2, 2018EF00.4 mi0 / 0Capitol Planning Region, CT
Oct 2, 2018EF13.8 mi0 / 0Western Connecticut Planning Region, CT
Aug 4, 2018EF05.2 mi0 / 0Northeastern Connecticut Planning Region, CT

Deadliest tornadoes in Connecticut

DateRatingPath lengthDeaths / injuriesStarted in
Oct 3, 1979F411.3 mi3 / 500Capitol Planning Region, CT → MA
May 24, 1962F311.6 mi1 / 50Naugatuck Valley Planning Region, CT

F4, EF4, F5 and EF5 tornadoes in Connecticut

DateRatingPath lengthDeaths / injuriesStarted in
Jul 10, 1989F43.0 mi0 / 40South Central Connecticut Planning Region, CT
Oct 3, 1979F411.3 mi3 / 500Capitol Planning Region, CT → MA

The 50 strongest Connecticut tornadoes, ranked by rating, deaths and path length: Strongest tornadoes in Connecticut history

Longest tornado paths in Connecticut

DateRatingPath lengthDeaths / injuriesStarted in
Aug 21, 1951F243.9 mi0 / 9Western Connecticut Planning Region, CT
Jul 19, 1963F112.3 mi0 / 0Lower Connecticut River Valley Planning Region, CT
May 24, 1962F311.6 mi1 / 50Naugatuck Valley Planning Region, CT
Oct 3, 1979F411.3 mi3 / 500Capitol Planning Region, CT → MA
Aug 27, 2020EF111.1 mi0 / 0South Central Connecticut Planning Region, CT
Jul 10, 2013EF110.9 mi0 / 0Capitol Planning Region, CT
Aug 11, 1966F210.7 mi0 / 0Northwest Hills Planning Region, CT → MA
Jul 12, 2006F210.1 mi0 / 6Westchester County, NY → CT
Jul 1, 2001F010.0 mi0 / 0Western Connecticut Planning Region, CT
Jul 10, 1989F210.0 mi0 / 4Northwest Hills Planning Region, CT

For tornadoes that crossed into another state, the path length, deaths and injuries are for the whole path.

Tornadoes by county

CountyTornadoes since 19502016–2025StrongestDeaths along pathsMost recent
Capitol Planning Region334F4/EF44Sep 8, 2021
Northwest Hills Planning Region3010F2/EF20Jun 21, 2024
Naugatuck Valley Planning Region244F3/EF31Nov 13, 2021
Western Connecticut Planning Region162F2/EF20Aug 12, 2023
Northeastern Connecticut Planning Region106F1/EF10Sep 13, 2023
Lower Connecticut River Valley Planning Region90F3/EF30Jun 30, 1998
South Central Connecticut Planning Region74F4/EF40Nov 13, 2021
Greater Bridgeport Planning Region40F1/EF10Jun 24, 2010
Southeastern Connecticut Planning Region22F1/EF10Nov 13, 2021

Cities with 5 or more tornadoes within 10 miles

Ansonia Bridgeport Bristol Danbury Danielson Derby Hartford Meriden Naugatuck New Britain New Haven Norwalk Shelton Stamford Torrington Waterbury West Haven

Tornadoes in Connecticut by year

YearTornadoesF/EF012345UnknownDeathsInjuries
20241100000000
20233120000000
20221100000000
20218710000000
20207520000000
20191010000000
20189440000100
20161100000000
20141100000000
20134220000000
20111010000000
20106060000003
20093030000000
20072110000000
20061001000006
20024220000000
20014211000001
20001010000000
19984130000000
19962020000000
19952110000000
19941100000000
19931100000000
19924220000000
19901100000007
1989300201000114
19852020000000
19841001000000
19831100000000
19821010000000
1979100001003500
19761001000000
19752020000000
19742020000000
19738044000001
19723030000000
19712001100002
19701010000001
19683030000000
19661001000000
19651001000000
19631010000000
196220011000150
19611010000000
19593111000000
19583021000002
19571010000000
19561100000000
19552011000000
19542001100002
195130021000017
19502002000003

More for Connecticut: strongest tornadoes · damaging wind history · hail history · all states

Source: NOAA Storm Prediction Center (SPC) Severe Weather Database (SVRGIS) tornado file, 1950–2025, and SPC preliminary storm reports for 2026 (data through November 6, 2026). Ratings are the ones the National Weather Service assigned: Fujita (F) scale before Feb 1, 2007, Enhanced Fujita (EF) after. Paths are drawn as straight lines from the start to the end point SPC records; real paths curve. City and county boundaries: US Census Bureau.