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Alaska strong wind risk

30 counties scored 0 rated Very High

Fairbanks North Star Borough has the highest strong wind risk in Alaska, scoring 1.3 out of 100 — rated "Very Low" by FEMA's National Risk Index.

# County NRI score Rating NOAA events
2016–2026
1 Fairbanks North Star Borough 1.3 Very Low 0
2 Bethel Census Area 1 Very Low 0
3 Denali Borough 0.9 Very Low 0
4 Southeast Fairbanks Census Area 0.9 Very Low 0
5 Yukon-Koyukuk Census Area 0.9 Very Low 0
6 Dillingham Census Area 0.8 Very Low 0
7 Kusilvak Census Area 0.8 Very Low 0
8 Aleutians East Borough 0 No Rating 0
9 Aleutians West Census Area 0 No Rating 0
10 Anchorage Municipality 0 No Rating 0
11 Bristol Bay Borough 0 No Rating 0
12 Chugach Census Area 0 No Rating 0
13 Copper River Census Area 0 No Rating 0
14 Haines Borough 0 No Rating 0
15 Hoonah-Angoon Census Area 0 No Rating 0
16 Juneau City and Borough 0 No Rating 0
17 Kenai Peninsula Borough 0 No Rating 0
18 Ketchikan Gateway Borough 0 No Rating 0
19 Kodiak Island Borough 0 No Rating 0
20 Lake and Peninsula Borough 0 No Rating 0
21 Matanuska-Susitna Borough 0 No Rating 0
22 Nome Census Area 0 No Rating 0
23 North Slope Borough 0 No Rating 0
24 Northwest Arctic Borough 0 No Rating 0
25 Petersburg Borough 0 No Rating 0
26 Prince of Wales-Hyder Census Area 0 No Rating 0
27 Sitka City and Borough 0 No Rating 0
28 Skagway Municipality 0 No Rating 0
29 Wrangell City and Borough 0 No Rating 0
30 Yakutat City and Borough 0 No Rating 0

Source: FEMA National Risk Index v1.20.0, December 2025. Scores are 0–100 percentile rankings among all US counties. See the methodology page for definitions. Download the full CSV for all counties.

Strong Wind risk nationally:

Top 50 US counties

Other hazard risks in Alaska:

WildfireInland FloodingCoastal FloodingEarthquakeHeat WaveTornadoHurricaneHailWinter WeatherIce StormCold WaveLightningDroughtLandslideAvalancheTsunamiVolcanic Activity

Frequently asked questions

What is the highest strong wind risk county in Alaska?

Fairbanks North Star Borough, AK has the highest strong wind risk in Alaska, with a FEMA National Risk Index score of 1.3 out of 100 (rated "Very Low").

What causes strong wind risk in Alaska?

Strong wind risk covers non-convective, non-tropical sustained high winds — including derechos and general high-wind events, but excluding tornado and hurricane winds. High scores appear in mountain passes, coastal headlands, and open plains where topography amplifies wind speeds. Damage concentrates on utility infrastructure, trees, and lightweight structures.