California Tornadoes
California averages 10 tornadoes per year. Most are weak but occasional significant events occur. History and safety information for California residents.
California Tornado Statistics
- Average tornadoes per year: ~10
- Peak season: November-May
- Historical F4: None officially
- Most tornadoes: EF0-EF1
Notable California Tornado Events
March 1, 1983 Los Angeles Area Tornado
F2 struck Los Angeles area. Rare Southern California event.
January 22, 2023 Montebello Tornado
EF1 struck Montebello in Los Angeles area. Notable urban event.
Central Valley Winter Events
Central Valley experiences occasional winter tornado events.
Why California?
Coastal vs Interior
California's geography varies:
- Coastal Pacific influence limits tornadoes
- Interior valleys can produce tornadoes
- Winter storms trigger events
- Sacramento Valley more prone
Winter Storm Season
Pacific winter storms bring tornado potential.
Central Valley Focus
Most CA tornadoes occur in Central Valley or Sacramento Valley.
Regional California Risk
Northern California
Sacramento Valley area. Higher tornado density.
Central Valley
Modesto, Fresno area. Winter storm influence.
Southern California
Los Angeles Basin. Rare but do occur.
Bay Area
Very rare tornadoes due to coastal influence.
Mountains
Sierra Nevada, terrain reduces tornado formation.
Notable California Cities
- Los Angeles - occasional tornado events
- San Francisco - rare tornadoes
- Sacramento - winter storm season
- Fresno - Central Valley
- San Diego - rare events
Living in California
- Tornado risk low but present
- NOAA weather radio useful during storms
- Interior room shelter during warnings
- Understanding of winter storm season tornado potential
Try the interactive simulator
Place an EF0–EF5 tornado anywhere in the world and see modeled fatalities, structural damage, and economic loss based on real census data.
Launch simulator →Try the interactive simulator
Place an EF0–EF5 tornado anywhere in the world and see modeled fatalities, structural damage, and economic loss based on real census data.
Launch simulator →