Ashtabula County
Ohio — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 63th
Ashtabula County faces low composite natural disaster risk (NRI Risk Index score 62.6, 63th national percentile), driven primarily by winter weather and strong wind exposure. Expected annual loss across all 18 hazard types is $19M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Winter Weather | High | 25.05 / yr | $319K |
| Strong Wind | High | 1.61 / yr | $1M |
| Tornado | Medium | 0.36 / yr | $3M |
| Riverine Flood | Low | 1.50 / yr | $12M |
| Hail | Low | 2.97 / yr | $458K |
| Ice Storm | Medium | 1.24 / yr | $176K |
| Lightning | Medium | 38.65 / yr | $315K |
| Earthquake | Very Low | 0.00 / yr | $303K |
| Hurricane | Very Low | 0.03 / yr | $77K |
| Heat Wave | Low | 1.28 / yr | $332K |
| Wildfire | Very Low | 0.00 / yr | $17K |
| Cold Wave | Low | 3.15 / yr | $439K |
| Coastal Flood | Very Low | 0.01 / yr | $3K |
| Landslide | Very Low | 0.13 / yr | $123 |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Drought | 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 Ashtabula County?
Ashtabula County has a composite FEMA National Risk Index score of 62.6 out of 100, placing it in the Low category and the 63th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Ashtabula County?
The three highest-rated hazards are Winter Weather (High, $319K EAL), Strong Wind (High, $1M EAL), Tornado (Medium, $3M EAL). These account for most of the county's expected annual losses.
How does Ashtabula County compare to other Ohio counties?
Ashtabula County ranks #35 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. Ashtabula County's $19M EAL is a statistical average, not a guarantee for any specific year or address.