Alaska tornadoes

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5 confirmed tornadoes since 1950. Most recent: April 19, 2024, EF0. 2026 so far: 0 preliminary reports preliminary

Counties with the most tornadoes

CountyTornadoes since 1950Per 1,000 sq mi
Aleutians East Borough00
Aleutians West Census Area00
Anchorage Municipality00
Bethel Census Area00
Bristol Bay Borough00
Chugach Census Area00
Copper River Census Area00
Denali Borough00
Dillingham Census Area00
Fairbanks North Star Borough00
Haines Borough00
Hoonah-Angoon Census Area00
Juneau City and Borough00
Kenai Peninsula Borough00
Ketchikan Gateway Borough00

When tornadoes hit here

By month

20 Jan: 0Feb: 0Mar: 0Apr: 1May: 0Jun: 2Jul: 1Aug: 0Sep: 0Oct: 0Nov: 1Dec: 0JanFebMarAprMayJunJulAugSepOctNovDec

June is the peak month, with 2 of 5 tornadoes.

By time of day

20 12 AM: 0: 0: 03 AM: 0: 0: 06 AM: 0: 0: 09 AM: 0: 0: 012 PM: 0: 0: 03 PM: 1: 0: 06 PM: 0: 0: 29 PM: 1: 1: 012 AM3 AM6 AM9 AM12 PM3 PM6 PM9 PM

Most often around 8:00 PM. Times as recorded by NOAA, mostly Central Standard Time.

By year, 1950 to 2025

20 1950: 0: 0: 0: 0: 0: 0: 0: 0: 0: 11960: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01970: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01980: 0: 0: 0: 0: 0: 0: 0: 0: 0: 01990: 0: 0: 0: 0: 0: 0: 0: 0: 0: 02000: 0: 0: 0: 0: 2: 1: 0: 0: 0: 02010: 0: 0: 0: 0: 0: 0: 0: 0: 0: 02020: 0: 0: 0: 0: 1: 019501960197019801990200020102020

The line is the five-year average. Tornadoes before about 1953 were under-reported, and better radar since the 1990s finds more weak ones.

By rating

EF0
5

Ratings before February 2007 use the original F scale; the numbers line up with today's EF scale. Unknown means NOAA could not assign a rating.

Notable tornadoes

Longest path

0.2 miles, F0

November 4, 1959

Most recent tornadoes

DateRatingPath lengthWidthDeathsInjuries
Apr 19, 2024EF00.01 mi1 yd00
Jul 25, 2005F0n/an/a00
Jun 18, 2004F0n/an/a00
Jun 14, 2004F0n/an/a00
Nov 4, 1959F00.2 mi10 yd00

Every Alaska county

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Source: NOAA Storm Prediction Center severe weather database, 1950 to 2025. A tornado that crossed a state line counts in each state it touched.