Mellette County, South Dakota
FEMA National Risk Index threat assessment for Mellette County.
Threat Level
Moderate
NRI Composite Score
6.7
Social Vulnerability
61.4
Community Resilience
57.7
Top Hazards
Cold Wave
33.5
Relatively High
Landslide
17.5
Relatively Moderate
Winter Weather
16.6
Relatively Moderate
Strong Wind
13.2
Relatively Low
Drought
11.9
Relatively Moderate
Wildfire
11.6
Relatively Low
Ice Storm
11.0
Relatively Low
Tornado
8.7
Very Low
Hail
8.3
Relatively Low
Heat Wave
7.9
Relatively Low
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