St. Louis County, Missouri
FEMA National Risk Index threat assessment for St. Louis County.
Threat Level
Critical
NRI Composite Score
30.8
Social Vulnerability
32.0
Community Resilience
55.9
Top Hazards
Heat Wave
69.3
Very High
Hail
53.2
Very High
Winter Weather
46.9
Very High
Ice Storm
37.5
Relatively High
Tornado
32.0
Relatively High
Lightning
29.6
Relatively High
Cold Wave
27.5
Relatively Moderate
Inland Flooding
22.5
Relatively High
Earthquake
17.2
Relatively Moderate
Strong Wind
15.3
Relatively Moderate
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