Stewart County
Tennessee — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 29th
Stewart County faces very low composite natural disaster risk (NRI Risk Index score 29.4, 29th national percentile), driven primarily by earthquake and lightning exposure. Expected annual loss across all 18 hazard types is $7M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | Low | 0.01 / yr | $2M |
| Lightning | Medium | 56.58 / yr | $541K |
| Ice Storm | Medium | 1.09 / yr | $150K |
| Landslide | Low | 1.83 / yr | $3K |
| Tornado | Medium | 0.42 / yr | $1M |
| Winter Weather | Low | 6.21 / yr | $46K |
| Cold Wave | Low | 1.32 / yr | $562K |
| Strong Wind | Low | 4.31 / yr | $320K |
| Heat Wave | Low | 5.63 / yr | $158K |
| Drought | Low | 7.02 / yr | $28K |
| Riverine Flood | Very Low | 1.21 / yr | $2M |
| Hurricane | Very Low | 0.01 / yr | $4K |
| Hail | Very Low | 2.91 / yr | $46K |
| Wildfire | Very Low | 0.00 / yr | $2K |
| 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 Stewart County?
Stewart County has a composite FEMA National Risk Index score of 29.4 out of 100, placing it in the Very Low category and the 29th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Stewart County?
The three highest-rated hazards are Earthquake (Low, $2M EAL), Lightning (Medium, $541K EAL), Ice Storm (Medium, $150K EAL). These account for most of the county's expected annual losses.
How does Stewart County compare to other Tennessee counties?
Stewart County ranks #73 of 95 Tennessee 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. Stewart County's $7M EAL is a statistical average, not a guarantee for any specific year or address.