Scioto County
Ohio — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 70th
Scioto County faces low composite natural disaster risk (NRI Risk Index score 70.2, 70th national percentile), driven primarily by heat wave and landslide exposure. Expected annual loss across all 18 hazard types is $27M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Heat Wave | Medium | 5.68 / yr | $3M |
| Landslide | Low | 1.20 / yr | $31K |
| Riverine Flood | Medium | 3.50 / yr | $20M |
| Strong Wind | Medium | 1.67 / yr | $1M |
| Winter Weather | Medium | 11.21 / yr | $131K |
| Lightning | Medium | 46.94 / yr | $481K |
| Ice Storm | Medium | 0.52 / yr | $193K |
| Earthquake | Low | 0.00 / yr | $487K |
| Tornado | Low | 0.23 / yr | $975K |
| Hurricane | Very Low | 0.01 / yr | $37K |
| Wildfire | Very Low | 0.00 / yr | $17K |
| Hail | Very Low | 2.92 / yr | $108K |
| Drought | Very Low | 1.70 / yr | $19K |
| Cold Wave | Very Low | 1.37 / yr | $248K |
| 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 Scioto County?
Scioto County has a composite FEMA National Risk Index score of 70.2 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 Scioto County?
The three highest-rated hazards are Heat Wave (Medium, $3M EAL), Landslide (Low, $31K EAL), Riverine Flood (Medium, $20M EAL). These account for most of the county's expected annual losses.
How does Scioto County compare to other Ohio counties?
Scioto County ranks #24 of 88 Ohio 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. Scioto County's $27M EAL is a statistical average, not a guarantee for any specific year or address.