Ohio County
West Virginia — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 70th
Ohio County faces low composite natural disaster risk (NRI Risk Index score 69.8, 70th national percentile), driven primarily by riverine flood and landslide exposure. Expected annual loss across all 18 hazard types is $32M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Riverine Flood | Medium | 1.39 / yr | $30M |
| Landslide | Low | 0.24 / yr | $11K |
| Lightning | Medium | 43.02 / yr | $352K |
| Hurricane | Very Low | 0.02 / yr | $99K |
| Hail | Low | 3.26 / yr | $275K |
| Ice Storm | Low | 0.55 / yr | $56K |
| Tornado | Low | 0.03 / yr | $693K |
| Heat Wave | Very Low | 2.16 / yr | $171K |
| Earthquake | Very Low | 0.00 / yr | $73K |
| Drought | Very Low | 3.60 / yr | $18K |
| Strong Wind | Low | 1.97 / yr | $240K |
| Avalanche | Very Low | 0.01 / yr | $22 |
| Wildfire | Very Low | 0.00 / yr | $6K |
| Cold Wave | Very Low | 2.68 / yr | $40K |
| Winter Weather | Very Low | 10.00 / yr | $4K |
| 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 Ohio County?
Ohio County has a composite FEMA National Risk Index score of 69.8 out of 100, placing it in the Low category and the 70th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Ohio County?
The three highest-rated hazards are Riverine Flood (Medium, $30M EAL), Landslide (Low, $11K EAL), Lightning (Medium, $352K EAL). These account for most of the county's expected annual losses.
How does Ohio County compare to other West Virginia counties?
Ohio County ranks #13 of 55 West Virginia counties for overall natural disaster risk, with a 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. Ohio County's $32M EAL is a statistical average, not a guarantee for any specific year or address.