Obion County
Tennessee — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 81th
Obion County faces medium composite natural disaster risk (NRI Risk Index score 81.3, 81th national percentile), driven primarily by earthquake and ice storm exposure. Expected annual loss across all 18 hazard types is $35M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | Medium | 0.02 / yr | $20M |
| Ice Storm | High | 1.48 / yr | $912K |
| Cold Wave | Medium | 2.58 / yr | $5M |
| Heat Wave | Medium | 14.95 / yr | $1M |
| Drought | Medium | 12.30 / yr | $790K |
| Winter Weather | Medium | 7.53 / yr | $146K |
| Strong Wind | Medium | 2.73 / yr | $884K |
| Landslide | Low | 1.33 / yr | $7K |
| Lightning | Medium | 57.70 / yr | $422K |
| Tornado | Medium | 0.49 / yr | $2M |
| Hurricane | Very Low | 0.02 / yr | $49K |
| Riverine Flood | Low | 1.29 / yr | $4M |
| Hail | Low | 2.99 / yr | $127K |
| Wildfire | Very Low | 0.00 / yr | $4K |
| 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 Obion County?
Obion County has a composite FEMA National Risk Index score of 81.3 out of 100, placing it in the Medium category and the 81th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Obion County?
The three highest-rated hazards are Earthquake (Medium, $20M EAL), Ice Storm (High, $912K EAL), Cold Wave (Medium, $5M EAL). These account for most of the county's expected annual losses.
How does Obion County compare to other Tennessee counties?
Obion County ranks #13 of 95 Tennessee counties for overall natural disaster risk, with a medium 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. Obion County's $35M EAL is a statistical average, not a guarantee for any specific year or address.