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Charleston County, South Carolina

FEMA National Risk Index threat assessment for Charleston County.

Threat Level

Critical
Percentile: 96th of all US counties

NRI Composite Score

25.0
Relatively High

Social Vulnerability

34.6
Relatively Low

Community Resilience

58.3
Very High

Top Hazards

Lightning
28.5
Relatively High
Wildfire
26.9
Relatively Moderate
Coastal Flooding
26.6
Relatively Moderate
Earthquake
23.7
Relatively High
Winter Weather
18.2
Relatively Moderate
Tornado
18.1
Relatively Moderate
Ice Storm
13.2
Relatively Low
Strong Wind
12.9
Relatively Low
Hail
11.5
Relatively Low
Inland Flooding
11.0
Relatively Moderate

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