Union County, South Carolina
FEMA National Risk Index threat assessment for Union County.
Threat Level
Elevated
NRI Composite Score
10.1
Social Vulnerability
43.8
Community Resilience
54.7
Top Hazards
Ice Storm
24.3
Relatively Moderate
Tornado
23.2
Relatively Moderate
Landslide
15.8
Relatively Moderate
Strong Wind
15.6
Relatively Moderate
Lightning
14.5
Relatively Low
Hail
10.6
Relatively Low
Hurricane
9.4
Relatively Low
Heat Wave
9.0
Relatively Low
Winter Weather
5.3
Very Low
Inland Flooding
4.5
Very Low
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