Tornado Risk in Oklahoma

All Oklahoma counties ranked by FEMA National Risk Index tornado score

Tornado risk — violently rotating columns of air capable of catastrophic local damage — is rated for 77 of 77 Oklahoma counties in FEMA's National Risk Index. Oklahoma County carries the state's highest tornado score at 99.5, with $54M in expected annual tornado losses.

17 Oklahoma counties are rated High or Very High for tornado, and expected annual losses from tornado total roughly $370M statewide. The full ranking below links to each county's complete 18-hazard risk profile.

County Rankings — Tornado

#CountyTornado ScoreRatingAnn. Freq.Ann. Loss
1 Oklahoma County
99.5
Very High 0.86 / yr $54M
2 Tulsa County
99.1
Very High 0.68 / yr $37M
3 Pottawatomie County
96.6
High 0.96 / yr $13M
4 Cleveland County
96.3
High 0.68 / yr $17M
5 Comanche County
95.5
High 1.08 / yr $11M
6 Canadian County
95.0
High 1.00 / yr $17M
7 Bryan County
94.8
High 0.73 / yr $8M
8 Payne County
94.7
High 0.85 / yr $11M
9 Carter County
94.0
High 0.76 / yr $9M
10 Grady County
93.8
High 1.28 / yr $10M
11 Kay County
93.4
High 0.91 / yr $8M
12 Creek County
92.9
High 1.16 / yr $8M
13 Washington County
92.7
High 0.42 / yr $8M
14 Logan County
92.7
High 0.89 / yr $10M
15 Garfield County
92.2
High 1.01 / yr $8M
16 Custer County
91.3
High 0.87 / yr $7M
17 Muskogee County
90.8
High 0.94 / yr $6M
18 Stephens County
89.8
Medium 0.94 / yr $6M
19 McClain County
89.1
Medium 0.69 / yr $8M
20 Osage County
88.7
Medium 2.35 / yr $5M
21 Lincoln County
88.6
Medium 1.22 / yr $4M
22 Pontotoc County
88.5
Medium 0.75 / yr $6M
23 Mayes County
88.3
Medium 0.76 / yr $4M
24 Le Flore County
88.2
Medium 1.19 / yr $4M
25 Delaware County
87.0
Medium 0.80 / yr $4M
26 Beckham County
86.7
Medium 0.71 / yr $4M
27 Sequoyah County
86.0
Medium 0.69 / yr $3M
28 Garvin County
85.1
Medium 0.93 / yr $5M
29 Okmulgee County
84.7
Medium 0.83 / yr $4M
30 Caddo County
82.5
Medium 1.40 / yr $3M
31 Cherokee County
81.6
Medium 0.85 / yr $3M
32 Rogers County
81.4
Medium 0.79 / yr $4M
33 Marshall County
81.4
Medium 0.37 / yr $3M
34 Pittsburg County
81.2
Medium 1.27 / yr $3M
35 Kingfisher County
81.0
Medium 0.98 / yr $4M
36 Choctaw County
80.6
Medium 0.53 / yr $2M
37 McIntosh County
79.5
Medium 0.77 / yr $2M
38 Seminole County
78.7
Medium 0.76 / yr $3M
39 McCurtain County
76.7
Medium 1.17 / yr $2M
40 Ottawa County
73.6
Medium 0.46 / yr $2M
41 Kiowa County
72.4
Medium 0.88 / yr $2M
42 Wagoner County
72.0
Medium 0.69 / yr $3M
43 Pawnee County
70.0
Medium 0.66 / yr $2M
44 Jackson County
69.9
Medium 0.63 / yr $2M
45 Noble County
69.3
Medium 0.77 / yr $2M
46 Murray County
68.6
Medium 0.41 / yr $2M
47 Craig County
66.8
Medium 0.78 / yr $2M
48 Adair County
66.2
Medium 0.56 / yr $2M
49 Hughes County
64.3
Low 0.89 / yr $2M
50 Nowata County
64.1
Low 0.56 / yr $1M
51 Washita County
60.7
Low 0.87 / yr $1M
52 Texas County
59.3
Low 1.42 / yr $2M
53 Johnston County
59.1
Low 0.56 / yr $1M
54 Love County
58.2
Low 0.45 / yr $1M
55 Pushmataha County
54.6
Low 0.97 / yr $877K
56 Jefferson County
54.3
Low 0.70 / yr $918K
57 Greer County
53.0
Low 0.50 / yr $940K
58 Coal County
52.5
Low 0.46 / yr $771K
59 Latimer County
52.4
Low 0.58 / yr $816K
60 Blaine County
51.7
Low 0.90 / yr $1M
61 Woodward County
51.4
Low 0.84 / yr $1M
62 Atoka County
49.7
Low 0.75 / yr $936K
63 Okfuskee County
47.9
Low 0.76 / yr $685K
64 Haskell County
46.3
Low 0.58 / yr $1M
65 Alfalfa County
44.7
Low 0.77 / yr $825K
66 Major County
41.1
Low 0.76 / yr $872K
67 Tillman County
41.1
Low 0.69 / yr $703K
68 Roger Mills County
39.1
Low 0.89 / yr $490K
69 Dewey County
39.1
Low 0.73 / yr $769K
70 Ellis County
38.2
Low 0.86 / yr $540K
71 Grant County
36.5
Low 0.94 / yr $599K
72 Beaver County
35.0
Low 1.43 / yr $685K
73 Harmon County
33.7
Low 0.42 / yr $426K
74 Woods County
33.6
Low 1.07 / yr $793K
75 Harper County
30.6
Low 0.81 / yr $372K
76 Cotton County
28.3
Low 0.54 / yr $427K
77 Cimarron County
18.1
Very Low 0.75 / yr $132K

77 Oklahoma counties with measurable tornado risk. See the national tornado ranking or all Oklahoma counties by overall risk.

Frequently Asked Questions

Which Oklahoma county has the highest tornado risk?

Oklahoma County has the highest FEMA tornado risk score in Oklahoma at 99.5 (Very High), with $54M in expected annual losses and about 0.86 events per year.

How many Oklahoma counties face significant tornado risk?

77 Oklahoma counties record measurable tornado risk in FEMA's National Risk Index; 17 of them are rated High or Very High.

Other Hazards in Oklahoma

Cold Wave Drought Earthquake Hail Heat Wave Hurricane Ice Storm Riverine Flood Landslide Lightning Strong Wind Wildfire Winter Weather