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St. Clair County, Illinois

FEMA National Risk Index threat assessment for St. Clair County.

Threat Level

High
Percentile: 94th of all US counties

NRI Composite Score

20.8
Relatively Moderate

Social Vulnerability

37.5
Relatively Moderate

Community Resilience

57.0
Relatively High

Top Hazards

Heat Wave
36.1
Relatively High
Hail
33.6
Relatively High
Winter Weather
33.0
Relatively High
Cold Wave
30.4
Relatively High
Tornado
29.7
Relatively High
Ice Storm
27.5
Relatively High
Lightning
21.1
Relatively Moderate
Inland Flooding
16.0
Relatively Moderate
Earthquake
15.2
Relatively Moderate
Drought
11.9
Relatively Moderate

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