State + disaster type

Severe Storm history in California

California has 418 county-level severe storm declarations across 58 counties. Marin County leads with 11 declarations. Total tracked FEMA obligations for severe storm events in this state: $1.0B.

This page shows every California county in California that has at least one FEMA severe storm declaration on record, ranked by how many times that hazard type triggered federal aid. Counties near the top of this list have recurring exposure to severe storm events — useful context for anyone evaluating property risk, insurance needs, or emergency planning in the area.

For the full national view of severe storm declarations across all states, see the severe storm disaster type page. For all hazard types in California, see the California state page.

Severe Storm in California

Counties ranked by severe storm declaration count

#CountyDeclarationsTracked aid
1Marin County11$22.3M
2Napa County11$25.6M
3Butte County10$12.1M
4Lake County10$8.8M
5Mendocino County10$21.1M
6Santa Cruz County10$36.6M
7Sonoma County10$46.4M
8Trinity County10$5.3M
9Alameda County9$25.5M
10Amador County9$6.1M
11Humboldt County9$27.9M
12Los Angeles County9$154.6M
13Monterey County9$35.7M
14Sacramento County9$84.1M
15San Luis Obispo County9$16.6M
16Calaveras County8$4.3M
17Colusa County8$1.3M
18Contra Costa County8$7.6M
19El Dorado County8$13.5M
20Glenn County8$1.0M
21Riverside County8$51.0M
22San Bernardino County8$34.5M
23San Joaquin County8$1.9M
24San Mateo County8$8.4M
25Santa Barbara County8$24.7M
26Shasta County8$9.0M
27Solano County8$12.8M
28Sutter County8$4.2M
29Ventura County8$45.4M
30Yolo County8$3.2M
31Del Norte County7$4.0M
32Kern County7$11.9M
33Merced County7$4.2M
34Nevada County7$4.7M
35Placer County7$5.9M
36Santa Clara County7$12.2M
37Yuba County7$17.2M
38Mariposa County6$4.6M
39Orange County6$48.2M
40Plumas County6$1.5M
41San Benito County6$2.9M
42San Diego County6$19.3M
43Stanislaus County6$4.8M
44Tehama County6$484K
45Tuolumne County6$14.2M
46Kings County5$22.2M
47Lassen County5$905K
48Madera County5$5.2M
49Modoc County5$598K
50Sierra County5$4.3M
51Siskiyou County5$3.3M
52Alpine County4$329K
53Fresno County4$7.1M
54Mono County4$4.1M
55San Francisco County4$5.2M
56Tulare County4$39.4M
57Imperial County3$4.3M
58Inyo County3$435K