Story County, Iowa
FEMA National Risk Index threat assessment for Story County.
Threat Level
Moderate
NRI Composite Score
8.0
Social Vulnerability
20.4
Community Resilience
56.6
Top Hazards
Winter Weather
17.6
Relatively Moderate
Tornado
15.1
Relatively Low
Cold Wave
13.7
Relatively Low
Drought
10.9
Relatively Low
Hail
10.1
Relatively Low
Strong Wind
10.1
Relatively Low
Inland Flooding
9.1
Relatively Low
Lightning
8.3
Very Low
Landslide
5.4
Very Low
Ice Storm
5.2
Very Low
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