Giles County
Tennessee — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 61th
Giles County faces low composite natural disaster risk (NRI Risk Index score 60.9, 61th national percentile), driven primarily by strong wind and tornado exposure. Expected annual loss across all 18 hazard types is $18M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Strong Wind | High | 6.81 / yr | $1M |
| Tornado | Medium | 0.56 / yr | $4M |
| Cold Wave | Medium | 1.16 / yr | $3M |
| Earthquake | Low | 0.00 / yr | $1M |
| Riverine Flood | Low | 1.36 / yr | $7M |
| Lightning | Medium | 61.65 / yr | $260K |
| Landslide | Very Low | 1.16 / yr | $2K |
| Hurricane | Very Low | 0.03 / yr | $115K |
| Ice Storm | Low | 0.71 / yr | $77K |
| Winter Weather | Low | 4.47 / yr | $47K |
| Heat Wave | Low | 4.95 / yr | $233K |
| Drought | Low | 24.83 / yr | $29K |
| Hail | Very Low | 4.12 / yr | $83K |
| Wildfire | Very Low | 0.00 / yr | $6K |
| 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 Giles County?
Giles County has a composite FEMA National Risk Index score of 60.9 out of 100, placing it in the Low category and the 61th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Giles County?
The three highest-rated hazards are Strong Wind (High, $1M EAL), Tornado (Medium, $4M EAL), Cold Wave (Medium, $3M EAL). These account for most of the county's expected annual losses.
How does Giles County compare to other Tennessee counties?
Giles County ranks #40 of 95 Tennessee 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. Giles County's $18M EAL is a statistical average, not a guarantee for any specific year or address.