New Haven County, Connecticut tornado history

20 tornadoes recorded in or across New Haven County from 1955 to 2021, coloured by rating on the map.

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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 Haven County

The Storm Prediction Center records 20 tornadoes whose paths touched New Haven County, Connecticut between 1955 and 2021. They killed 1 person and injured 162. The busiest month is July, with 8 tornadoes. The strongest was an F4 on 10 July 1989. The most recent was on 13 November 2021.

  • 20tornadoes
  • 1death
  • 162injuries
  • 331per 10,000 sq mi of land

A tornado that crossed several counties counts in each one, so county counts add up to more than the state's.

How strong were the tornadoes in New Haven County?

RatingTornadoesShare
F0 / EF0735%
F1 / EF1735%
F2 / EF2315%
F3 / EF3210%
F4 / EF415%
F5 / EF500%
Unknown rating00%

New Haven County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 4 in 2010s.1950s21960s11970s21980s31990s32000s22010s42020s3

The 2020s only run to 2021, so that bar is for a shorter period. The record starts in 1950.

Show the numbers
PeriodCount
1950s2
1960s1
1970s2
1980s3
1990s3
2000s2
2010s4
2020s3
Tornadoes by month
Bar chart of tornadoes by period. The most is 8 in Jul.Jan0Feb0Mar0Apr0May5Jun0Jul8Aug3Sep1Oct1Nov2Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May5
Jun0
Jul8
Aug3
Sep1
Oct1
Nov2
Dec0

Records for New Haven County

Notable tornadoes in New Haven County

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

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