Yellowstone County, Montana
FEMA National Risk Index threat assessment for Yellowstone County.
Threat Level
Moderate
NRI Composite Score
8.1
Social Vulnerability
32.8
Community Resilience
56.9
Top Hazards
Cold Wave
20.0
Relatively Moderate
Lightning
18.5
Relatively Moderate
Hail
14.2
Relatively Moderate
Drought
13.1
Relatively Moderate
Winter Weather
13.1
Relatively Low
Landslide
12.4
Relatively Low
Ice Storm
10.9
Relatively Low
Wildfire
10.3
Relatively Low
Tornado
9.9
Relatively Low
Inland Flooding
7.9
Relatively Low
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