St. Mary's County, Maryland
FEMA National Risk Index threat assessment for St. Mary's County.
Threat Level
Guarded
NRI Composite Score
3.7
Social Vulnerability
15.3
Community Resilience
56.6
Top Hazards
Winter Weather
8.3
Very Low
Lightning
7.0
Very Low
Tornado
6.6
Very Low
Cold Wave
6.0
Very Low
Strong Wind
5.9
Very Low
Landslide
5.6
Very Low
Heat Wave
5.4
Relatively Low
Ice Storm
5.0
Very Low
Hurricane
4.1
Very Low
Inland Flooding
3.2
Very Low
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