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5
High

tornado Tornado Risk in California

Overall State Risk Score: 5/10

California faces high tornado risk. 1 of 58 counties (2%) rated high or very high by FEMA National Risk Index.

Seasonal pattern: April-June

Highest-Risk Cities in California

1
Los Angeles, CA
Very High · 7 historical events
FEMA: 7Historical: 9
2
Long Beach, CA
Very High · 6 historical events
FEMA: 7Historical: 9
3
Sacramento, CA
High · 16 historical events
FEMA: 5Historical: 7
4
Oakland, CA
High · 6 historical events
FEMA: 5Historical: 9
5
San Diego, CA
Moderate · 4 historical events
FEMA: 3Historical: 7
6
San Jose, CA
Moderate · 8 historical events
FEMA: 3Historical: 10
7
San Francisco, CA
Moderate · 5 historical events
FEMA: 3Historical: 9
8
Fresno, CA
Moderate · 15 historical events
FEMA: 3Historical: 7

Notable Tornado Events

Tornado - San Mateo _ Santa Cruz counties, California, United States

December 25, 2025 — WARNING

Oakland, CA

2,480 people exposed; $358M capital exposed

Tornado - Santa Cruz County, California, United States

December 24, 2025 — WARNING

Oakland, CA

171,000 people exposed; $36,903M capital exposed

Tornado - Los Angeles, United States

December 23, 2025 — WARNING

Long Beach, CA

314,000 people exposed; $84,696M capital exposed

Tornado - San Francisco, CA WFO Region, US

December 13, 2024 — WARNING

Oakland, CA

936,000 people exposed; $246,376M capital exposed

Other Hazards in California

earthquake
Earthquake Risk
Score: 9/10
wildfire
Wildfire Risk
Score: 9/10
hurricane
Hurricane Risk
Score: 1/10
flood
Flood Risk
Score: 9/10
winter-storm
Winter Storm Risk
Score: 7/10
landslide
Landslide Risk
Score: 7/10
extreme-heat
Extreme Heat Risk
Score: 7/10
drought
Drought Risk
Score: 9/10
high-wind
High Wind Risk
Score: 5/10
tsunami
Tsunami Risk
Score: 9/10

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