Tornado History Map

Alaska tornado history

5 tornadoes recorded in Alaska from 1959 to 2024, drawn on the map and coloured by rating.

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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 Alaska

The Storm Prediction Center records 5 tornadoes that touched Alaska between 1959 and 2024, and 5 of them began there. A tornado that crossed a state line counts in every state it touched. None of them is recorded as having killed anyone. The busiest month is June, with 2 tornadoes.

  • 5tornadoes
  • 0deaths
  • 0injuries
  • 0per 10,000 sq mi of land
  • 4counties touched

Tornadoes per 10,000 square miles lets you compare states of different sizes. It counts every tornado that touched the state.

How strong were Alaska's tornadoes?

RatingTornadoesShare
F0 / EF05100%
F1 / EF100%
F2 / EF200%
F3 / EF300%
F4 / EF400%
F5 / EF500%
Unknown rating00%

Alaska tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 3 in 2000s.1950s12000s32020s1

The 2020s only run to 2024, so that bar is for a shorter period. The record starts in 1959.

Show the numbers
PeriodCount
1950s1
2000s3
2020s1

The record has changed over the decades as detection and reporting improved, so more weak tornadoes show up in recent years than in the 1950s. The year with the most in Alaska was 2004, with 2.

Tornadoes by month
Bar chart of tornadoes by period. The most is 2 in Jun.Jan0Feb0Mar0Apr1May0Jun2Jul1Aug0Sep0Oct0Nov1Dec0
Show the numbers
PeriodCount
Jan0
Feb0
Mar0
Apr1
May0
Jun2
Jul1
Aug0
Sep0
Oct0
Nov1
Dec0

Strongest tornadoes that touched Alaska

  • Alaska tornado4 November 1959, F0, 0.2 miles long
  • Alaska tornado19 April 2024, EF0, 0 miles long
  • Alaska tornado25 July 2005, F0, 0 miles long
  • Alaska tornado18 June 2004, F0, 0 miles long
  • Alaska tornado14 June 2004, F0, 0 miles long

Most recent tornadoes in Alaska

  • Alaska tornado19 April 2024, EF0, 0 miles long
  • Alaska tornado25 July 2005, F0, 0 miles long
  • Alaska tornado18 June 2004, F0, 0 miles long
  • Alaska tornado14 June 2004, F0, 0 miles long
  • Alaska tornado4 November 1959, F0, 0.2 miles long

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

Alaska counties

Every county that a tornado has touched is listed, most tornadoes first.

CountyTornadoesStrongest
Bethel Census Area2F/EF0
Aleutians East Borough1F/EF0
Anchorage Municipality1F/EF0
Chugach Census Area1F/EF0

Other states

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