Grayson County, Virginia
FEMA National Risk Index threat assessment for Grayson County.
Threat Level
Guarded
NRI Composite Score
6.1
Social Vulnerability
47.3
Community Resilience
51.8
Top Hazards
Landslide
19.1
Relatively Moderate
Cold Wave
16.0
Relatively Low
Lightning
15.0
Relatively Low
Winter Weather
11.8
Relatively Low
Tornado
11.7
Relatively Low
Strong Wind
11.4
Relatively Low
Drought
9.3
Relatively Low
Hail
7.4
Relatively Low
Inland Flooding
6.5
Relatively Low
Ice Storm
6.0
Very Low
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