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California county hazard histories

Pick a county to see what federal records show has happened there: storms NOAA recorded since 1996, FEMA disaster declarations, and flood insurance claims. Every number is counted from those records.

Counties

California counties with a substantial federal hazard record
CountyNOAA storm recordsYearsNFIP claims
Alameda County6021996–2026570
Alpine County1,1071996–20265
Butte County1661996–2026346
Contra Costa County4711996–20261,186
Del Norte County1531996–202637
El Dorado County1,2961996–2026206
Fresno County2,4721996–2026270
Humboldt County7491996–2026207
Imperial County5711997–202696
Inyo County5681997–20265
Kern County2,5011996–2026272
Kings County7591996–202610
Lassen County5781996–202660
Los Angeles County6621996–20268,991
Madera County9031996–202669
Marin County5491996–20263,292
Mariposa County6161996–20260
Mendocino County3461996–2026178
Merced County6891996–2026490
Modoc County4611997–20260
Mono County9111996–202641
Monterey County5991996–20261,504
Napa County3311996–20261,341
Nevada County1,1831996–202669
Orange County9041996–20263,803
Placer County1,2231996–2026601
Plumas County5931996–202654
Riverside County2,4581996–20261,605
Sacramento County2361996–20263,836
San Benito County1321997–2026125
San Bernardino County3,3141996–2026811
San Diego County2,6981996–20262,431
San Francisco County3031996–2026161
San Joaquin County1051996–2026428
San Mateo County6881996–20261,118
Santa Barbara County2081996–20261,306
Santa Clara County7741996–20261,610
Santa Cruz County6561996–20261,633
Shasta County1871996–2026223
Sierra County5311996–202623
Siskiyou County1,3831997–202663
Sonoma County8061996–20267,370
Tehama County1281997–2026423
Trinity County2001996–202522
Tulare County1,7961996–2026376
Tuolumne County2361996–202621

Counties with a shorter record

Fewer than 100 NOAA records, fewer than 10 with recorded damage, or records in fewer than 10 years. A short record can mean few events, or that NOAA filed this county's events under zone names that could not be matched to it.

Related

County histories in other states

Recorded history from federal public records. Not a hazard score, a risk score, or a forecast. Decision-support intelligence — not a primary alerting or dispatch system. Verify against official sources.