California tornado history

487 tornadoes recorded in California from 1951 to 2025, 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 California

The Storm Prediction Center records 487 tornadoes that touched California between 1951 and 2025, and 486 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 March, with 86 tornadoes.

  • 487tornadoes
  • 0deaths
  • 97injuries
  • 31per 10,000 sq mi of land
  • 49counties 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 California's tornadoes?

RatingTornadoesShare
F0 / EF032266%
F1 / EF113327%
F2 / EF2245%
F3 / EF32<1%
F4 / EF400%
F5 / EF500%
Unknown rating61%

California tornadoes over time

Tornadoes by decade
Bar chart of tornadoes by period. The most is 137 in 1990s.1950s221960s261970s431980s611990s1372000s832010s812020s34

The 2020s only run to 2025, so that bar is for a shorter period. The record starts in 1951.

Show the numbers
PeriodCount
1950s22
1960s26
1970s43
1980s61
1990s137
2000s83
2010s81
2020s34

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 California was 2005, with 30.

Tornadoes by month
Bar chart of tornadoes by period. The most is 86 in Mar.Jan57Feb69Mar86Apr59May41Jun13Jul17Aug21Sep25Oct19Nov33Dec47
Show the numbers
PeriodCount
Jan57
Feb69
Mar86
Apr59
May41
Jun13
Jul17
Aug21
Sep25
Oct19
Nov33
Dec47

Strongest tornadoes that touched California

  • California tornado9 February 1978, F3, 6 injuries, 2 miles long
  • California tornado16 August 1973, F3, 0.1 miles long
  • California tornado5 April 1980, F2, 1 injury, 15 miles long
  • California tornado1 June 1958, F2, 15 miles long
  • California tornado5 September 2020, EF2, 12 miles long
  • California tornado7 November 1966, F2, 10 injuries, 10.3 miles long

Most recent tornadoes in California

  • California tornado1 April 2025, EF0, 0.9 miles long
  • California tornado13 March 2025, EF0, 1 miles long
  • California tornado13 February 2025, EF0, 0.6 miles long
  • California tornado3 January 2025, Unknown rating, 0.8 miles long
  • California tornado14 December 2024, EF1, 5 injuries, 0.3 miles long

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

California counties

Every county that a tornado has touched is listed, most tornadoes first. 39 of them have at least 3 tornadoes and their own page.

CountyTornadoesStrongest
Los Angeles County50F/EF2
San Bernardino County33F/EF2
Fresno County32F/EF2
Orange County32F/EF3
Riverside County28F/EF3
San Diego County27F/EF1
Butte County20F/EF2
San Joaquin County19F/EF1
Merced County18F/EF1
Sacramento County17F/EF2
Kern County16F/EF1
Tulare County16F/EF2
Madera County14F/EF2
Sonoma County13F/EF2
Stanislaus County13F/EF2
Tehama County12F/EF2
Glenn County11F/EF2
Kings County8F/EF2
Santa Cruz County8F/EF1
Ventura County8F/EF0
Imperial County7F/EF1
Santa Barbara County7F/EF1
Del Norte County6F/EF1
Placer County6F/EF1
Santa Clara County6F/EF2
Sutter County6F/EF1
Colusa County5F/EF0
Contra Costa County5F/EF1
El Dorado County5F/EF1
Monterey County5F/EF1
Solano County5F/EF0
Yolo County5F/EF0
Yuba County5F/EF1
Alameda County4F/EF1
Lassen County4F/EF1
Mendocino County4F/EF1
San Luis Obispo County4F/EF1
San Mateo County4F/EF1
Mariposa County3F/EF0
Calaveras County2F/EF1
Humboldt County2F/EF2
Inyo County2F/EF0
Marin County2F/EF2
San Benito County2F/EF2
Tuolumne County2F/EF1
Modoc County1F/EF1
Napa County1F/EF0
Nevada County1F/EF1
Siskiyou County1F/EF1

Other states

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