Strong Wind Risk in California

All California counties ranked by FEMA National Risk Index strong wind score

Strong Wind risk — damaging straight-line winds outside of tornadoes and hurricanes — is rated for 58 of 58 California counties in FEMA's National Risk Index. San Bernardino County carries the state's highest strong wind score at 97.0, with $4M in expected annual strong wind losses.

1 California county is rated High or Very High for strong wind, and expected annual losses from strong wind total roughly $13M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Strong Wind

#CountyStrong Wind ScoreRatingAnn. Freq.Ann. Loss
1 San Bernardino County
97.0
High 0.18 / yr $4M
2 Los Angeles County
75.2
Medium 0.15 / yr $971K
3 Imperial County
54.7
Medium 0.28 / yr $401K
4 Riverside County
52.7
Medium 0.23 / yr $614K
5 Orange County
52.3
Medium 0.17 / yr $653K
6 San Diego County
52.0
Medium 0.19 / yr $642K
7 Kern County
46.0
Low 0.06 / yr $399K
8 Ventura County
44.1
Low 0.07 / yr $493K
9 San Joaquin County
38.0
Low 0.05 / yr $384K
10 Contra Costa County
34.4
Low 0.04 / yr $398K
11 Stanislaus County
28.3
Low 0.04 / yr $286K
12 Tulare County
26.9
Low 0.04 / yr $209K
13 Placer County
21.8
Low 0.07 / yr $245K
14 San Mateo County
20.6
Low 0.03 / yr $222K
15 Merced County
20.4
Low 0.04 / yr $151K
16 Madera County
20.4
Low 0.05 / yr $130K
17 El Dorado County
18.7
Low 0.07 / yr $198K
18 Solano County
17.7
Low 0.04 / yr $172K
19 Fresno County
15.6
Very Low 0.04 / yr $110K
20 Tuolumne County
14.1
Very Low 0.05 / yr $104K
21 Nevada County
13.7
Very Low 0.07 / yr $108K
22 Sonoma County
13.6
Very Low 0.02 / yr $119K
23 Santa Barbara County
13.0
Very Low 0.02 / yr $89K
24 Butte County
12.1
Very Low 0.02 / yr $81K
25 Monterey County
11.4
Very Low 0.02 / yr $75K
26 Alameda County
11.3
Very Low 0.04 / yr $94K
27 Marin County
11.2
Very Low 0.03 / yr $96K
28 Kings County
11.0
Very Low 0.03 / yr $65K
29 Mariposa County
10.8
Very Low 0.05 / yr $50K
30 San Francisco County
10.3
Very Low 0.03 / yr $74K
31 Mono County
9.9
Very Low 0.04 / yr $80K
32 Calaveras County
9.8
Very Low 0.04 / yr $61K
33 Santa Clara County
9.4
Very Low 0.03 / yr $81K
34 Yolo County
8.6
Very Low 0.03 / yr $70K
35 Napa County
8.3
Very Low 0.03 / yr $61K
36 Shasta County
8.0
Very Low 0.02 / yr $57K
37 Sacramento County
7.6
Very Low 0.03 / yr $56K
38 Santa Cruz County
7.0
Very Low 0.02 / yr $53K
39 Sutter County
6.6
Very Low 0.02 / yr $38K
40 Plumas County
6.4
Very Low 0.07 / yr $29K
41 Siskiyou County
5.8
Very Low 0.04 / yr $28K
42 Lassen County
5.8
Very Low 0.05 / yr $31K
43 Amador County
5.7
Very Low 0.04 / yr $36K
44 San Luis Obispo County
4.8
Very Low 0.02 / yr $36K
45 Yuba County
4.6
Very Low 0.02 / yr $33K
46 Tehama County
4.0
Very Low 0.01 / yr $21K
47 Colusa County
4.0
Very Low 0.02 / yr $23K
48 Humboldt County
3.9
Very Low 0.01 / yr $18K
49 Del Norte County
3.8
Very Low 0.03 / yr $20K
50 Alpine County
3.6
Very Low 0.10 / yr $20K
51 Glenn County
2.8
Very Low 0.01 / yr $17K
52 Sierra County
2.4
Very Low 0.11 / yr $10K
53 Inyo County
2.0
Very Low 0.06 / yr $6K
54 Lake County
1.8
Very Low 0.01 / yr $6K
55 San Benito County
1.7
Very Low 0.03 / yr $9K
56 Trinity County
1.5
Very Low 0.01 / yr $4K
57 Modoc County
1.5
Very Low 0.03 / yr $4K
58 Mendocino County
1.1
Very Low 0.00 / yr $2K

58 California counties with measurable strong wind risk. See the national strong wind ranking or all California counties by overall risk.

Frequently Asked Questions

Which California county has the highest strong wind risk?

San Bernardino County has the highest FEMA strong wind risk score in California at 97.0 (High), with $4M in expected annual losses and about 0.18 events per year.

How many California counties face significant strong wind risk?

58 California counties record measurable strong wind risk in FEMA's National Risk Index; 1 of them are rated High or Very High.

Other Hazards in California