Harrison County
Kentucky — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 34th
Harrison County faces very low composite natural disaster risk (NRI Risk Index score 33.8, 34th national percentile), driven primarily by strong wind and tornado exposure. Expected annual loss across all 18 hazard types is $10M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Strong Wind | Medium | 4.77 / yr | $929K |
| Tornado | Low | 0.18 / yr | $2M |
| Earthquake | Very Low | 0.00 / yr | $334K |
| Lightning | Low | 50.73 / yr | $235K |
| Ice Storm | Low | 0.79 / yr | $77K |
| Riverine Flood | Low | 1.25 / yr | $6M |
| Landslide | Very Low | 0.56 / yr | $1K |
| Winter Weather | Low | 11.32 / yr | $46K |
| Hurricane | Very Low | 0.01 / yr | $16K |
| Heat Wave | Very Low | 2.74 / yr | $133K |
| Cold Wave | Low | 1.32 / yr | $309K |
| Drought | Very Low | 2.42 / yr | $10K |
| Hail | Very Low | 3.24 / yr | $68K |
| Wildfire | Very Low | 0.00 / yr | $3K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Harrison County?
Harrison County has a composite FEMA National Risk Index score of 33.8 out of 100, placing it in the Very Low category and the 34th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Harrison County?
The three highest-rated hazards are Strong Wind (Medium, $929K EAL), Tornado (Low, $2M EAL), Earthquake (Very Low, $334K EAL). These account for most of the county's expected annual losses.
How does Harrison County compare to other Kentucky counties?
Harrison County ranks #74 of 120 Kentucky counties for overall natural disaster risk, with a very low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Harrison County's $10M EAL is a statistical average, not a guarantee for any specific year or address.