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Custer County, South Dakota

FEMA National Risk Index threat assessment for Custer County.

Threat Level

Moderate
Percentile: 35th of all US counties

NRI Composite Score

7.6
Very Low

Social Vulnerability

34.6
Relatively Low

Community Resilience

53.8
Relatively Moderate

Top Hazards

Cold Wave
22.6
Relatively Moderate
Wildfire
16.7
Relatively Moderate
Winter Weather
14.3
Relatively Low
Landslide
12.8
Relatively Low
Hail
11.3
Relatively Low
Tornado
9.1
Relatively Low
Lightning
9.0
Very Low
Inland Flooding
8.9
Relatively Low
Strong Wind
5.4
Very Low
Ice Storm
4.1
Very Low

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