Sully County, South Dakota
FEMA National Risk Index threat assessment for Sully County.
Threat Level
Guarded
NRI Composite Score
1.2
Social Vulnerability
8.0
Community Resilience
51.4
Top Hazards
Cold Wave
6.5
Very Low
Winter Weather
2.8
Very Low
Hail
2.7
Very Low
Drought
2.2
Very Low
Strong Wind
2.0
Very Low
Landslide
1.7
Very Low
Ice Storm
1.3
Very Low
Tornado
1.3
Very Low
Heat Wave
1.1
Very Low
Lightning
1.1
Very Low
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