Coahoma County
Mississippi — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 63th
Coahoma County faces low composite natural disaster risk (NRI Risk Index score 62.5, 63th national percentile), driven primarily by earthquake and tornado exposure. Expected annual loss across all 18 hazard types is $15M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Earthquake | Medium | 0.00 / yr | $4M |
| Tornado | Medium | 0.35 / yr | $4M |
| Drought | Medium | 11.78 / yr | $615K |
| Heat Wave | Low | 23.37 / yr | $908K |
| Strong Wind | Medium | 1.62 / yr | $758K |
| Hail | Low | 2.60 / yr | $284K |
| Hurricane | Low | 0.03 / yr | $131K |
| Cold Wave | Low | 1.16 / yr | $598K |
| Lightning | Low | 61.77 / yr | $138K |
| Riverine Flood | Low | 0.82 / yr | $4M |
| Ice Storm | Low | 0.70 / yr | $39K |
| Landslide | Very Low | 0.17 / yr | $164 |
| Winter Weather | Very Low | 4.32 / yr | $12K |
| 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 Coahoma County?
Coahoma County has a composite FEMA National Risk Index score of 62.5 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 Coahoma County?
The three highest-rated hazards are Earthquake (Medium, $4M EAL), Tornado (Medium, $4M EAL), Drought (Medium, $615K EAL). These account for most of the county's expected annual losses.
How does Coahoma County compare to other Mississippi counties?
Coahoma County ranks #28 of 82 Mississippi 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. Coahoma County's $15M EAL is a statistical average, not a guarantee for any specific year or address.