Ice Storm Risk by State & County

Ranked by FEMA National Risk Index ice storm hazard score · code ISTM

Ice Storm risk reflects freezing rain that coats surfaces in heavy, damaging ice. FEMA's National Risk Index scores each county's ice storm hazard from its expected annual loss, annualized event frequency, and exposed population. Caddo Parish, Louisiana currently leads the nation with a ice storm score of 100.0 and $9M in expected annual loss. Arkansas, Texas, Oklahoma account for much of the highest-rated ice storm risk in this dataset.

Read the full ice storm risk guide — how FEMA scores it and how to prepare →

Ice Storm Risk by State

#StateExpected Ann. LossAvg. ScoreRatingCounties Rated
1Arkansas$129M
90.8
Very High 75 of 75
2Oklahoma$102M
88.6
Very High 77 of 77
3Texas$83M
46.4
Medium 254 of 254
4Missouri$57M
61.5
High 115 of 115
5Kansas$55M
60.5
High 105 of 105
6North Carolina$52M
68.9
High 100 of 100
7South Carolina$42M
80.2
Very High 46 of 46
8Ohio$36M
71.2
High 88 of 88
9Louisiana$33M
63.3
High 64 of 64
10Kentucky$30M
53.9
Medium 120 of 120
11New York$28M
69.8
High 62 of 62
12Maine$26M
91.3
Very High 16 of 16
13Michigan$24M
42.8
Medium 83 of 83
14Georgia$23M
38.2
Low 159 of 159
15New Jersey$21M
80.6
Very High 21 of 21
16North Dakota$21M
65.7
High 53 of 53
17South Dakota$20M
54.6
Medium 66 of 66
18Massachusetts$20M
72.6
High 14 of 14
19Tennessee$19M
53.6
Medium 95 of 95
20Nebraska$19M
46.3
Medium 93 of 93
21Washington$18M
50.2
Medium 39 of 39
22Illinois$15M
48.2
Medium 102 of 102
23Pennsylvania$15M
43.5
Medium 67 of 67
24Iowa$12M
43.4
Medium 99 of 99
25Indiana$11M
45.4
Medium 92 of 92
26Connecticut$10M
85.8
Very High 9 of 9
27Oregon$10M
46.8
Medium 36 of 36
28Mississippi$9M
51.8
Medium 82 of 82
29New Hampshire$9M
82.4
Very High 10 of 10
30Virginia$8M
32.1
Low 133 of 133
31Minnesota$8M
39.6
Low 87 of 87
32Alabama$6M
41.0
Medium 67 of 67
33Wisconsin$6M
37.4
Low 72 of 72
34West Virginia$3M
33.2
Low 55 of 55
35Maryland$3M
50.7
Medium 24 of 24
36Montana$3M
18.5
Very Low 56 of 56
37Colorado$3M
20.0
Very Low 64 of 64
38Idaho$2M
20.3
Low 44 of 44
39Vermont$2M
52.5
Medium 14 of 14
40New Mexico$2M
27.0
Low 33 of 33
41Wyoming$2M
22.4
Low 23 of 23
42Delaware$2M
79.6
High 3 of 3
43Rhode Island$1M
55.9
Medium 5 of 5
44Utah$581K
14.6
Very Low 29 of 29
45Nevada$567K
9.2
Very Low 17 of 17
46Arizona$371K
16.2
Very Low 15 of 15
47Florida$246K
2.9
Very Low 67 of 67
48District of Columbia$222K
70.2
High 1 of 1
49Alaska$220K
9.6
Very Low 30 of 30
50Hawaii$164K
14.5
Very Low 5 of 5
51California$0
0.0
Very Low 58 of 58

States ranked by total expected annual ice storm losses; the average score is the mean over all counties, counting unrated counties as zero.

Riskiest Counties for Ice Storm

#CountyStateIce Storm ScoreRatingAnn. Freq.Ann. Loss
1Caddo ParishLA
100.0
Very High 1.47 / yr$9M
2Red River CountyTX
100.0
Very High 1.16 / yr$11M
3Pulaski CountyAR
99.9
Very High 1.09 / yr$8M
4Benton CountyAR
99.9
Very High 1.92 / yr$11M
5Sevier CountyAR
99.9
Very High 0.47 / yr$7M
6Oklahoma CountyOK
99.8
Very High 1.19 / yr$8M
7Sedgwick CountyKS
99.8
Very High 0.72 / yr$8M
8Washington CountyAR
99.8
Very High 1.91 / yr$9M
9Dallas CountyTX
99.7
Very High 1.23 / yr$5M
10Tulsa CountyOK
99.7
Very High 1.28 / yr$6M
11Middlesex CountyMA
99.7
Very High 2.70 / yr$8M
12Harris CountyTX
99.6
Very High 0.91 / yr$4M
13Greenville CountySC
99.6
Very High 1.83 / yr$6M
14Cleveland CountyOK
99.6
Very High 1.30 / yr$6M
15Craighead CountyAR
99.5
Very High 1.28 / yr$4M
16Greene CountyMO
99.5
Very High 1.18 / yr$5M
17Garland CountyAR
99.5
Very High 1.24 / yr$4M
18Oakland CountyMI
99.4
Very High 1.81 / yr$6M
19Bossier ParishLA
99.4
Very High 1.53 / yr$4M
20Baxter CountyAR
99.4
Very High 1.99 / yr$3M
21Sebastian CountyAR
99.3
Very High 1.32 / yr$4M
22Fulton CountyAR
99.3
Very High 1.27 / yr$2M
23Lafayette CountyAR
99.3
Very High 0.93 / yr$3M
24Middlesex CountyNJ
99.2
Very High 1.04 / yr$4M
25Sharp CountyAR
99.2
Very High 1.18 / yr$2M

Showing the top 25 seeded counties for ice storm risk.