Tornado History Map

Nassau County, New York tornado history

9 tornadoes recorded in or across Nassau County from 1970 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 Nassau County

The Storm Prediction Center records 9 tornadoes whose paths touched Nassau County, New York between 1970 and 2021. None of them is recorded as having killed anyone. The busiest month is August, with 3 tornadoes. The strongest was an F2 on 18 September 1973. The most recent was on 13 November 2021.

  • 9tornadoes
  • 0deaths
  • 6injuries
  • 316per 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 Nassau County?

RatingTornadoesShare
F0 / EF0333%
F1 / EF1333%
F2 / EF2333%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Nassau County tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 4 in 1970s.1970s41990s22000s22020s1

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

Show the numbers
PeriodCount
1970s4
1990s2
2000s2
2020s1
Tornadoes by month
Bar chart of tornadoes by period. The most is 3 in Aug.Jan0Feb0Mar0Apr0May0Jun1Jul1Aug3Sep3Oct0Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr0
May0
Jun1
Jul1
Aug3
Sep3
Oct0
Nov1
Dec0

Records for Nassau County

  • Strongest: New York tornado18 September 1973, F2, 1.9 miles long
  • Longest path and Most recent: New York tornado13 November 2021, EF0, 13.1 miles long

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

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