Chickasaw County
Mississippi — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 44th
Chickasaw County faces low composite natural disaster risk (NRI Risk Index score 43.9, 44th national percentile), driven primarily by strong wind and earthquake exposure. Expected annual loss across all 18 hazard types is $10M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Strong Wind | High | 1.99 / yr | $1M |
| Earthquake | Low | 0.00 / yr | $1M |
| Drought | Medium | 15.38 / yr | $578K |
| Tornado | Medium | 0.43 / yr | $2M |
| Hurricane | Low | 0.06 / yr | $327K |
| Heat Wave | Low | 16.84 / yr | $539K |
| Cold Wave | Medium | 1.11 / yr | $1M |
| Lightning | Low | 66.03 / yr | $197K |
| Ice Storm | Low | 0.95 / yr | $61K |
| Hail | Low | 3.35 / yr | $115K |
| Landslide | Very Low | 0.22 / yr | $293 |
| Wildfire | Very Low | 0.00 / yr | $10K |
| Riverine Flood | Very Low | 0.46 / yr | $2M |
| Winter Weather | Very Low | 3.79 / yr | $5K |
| 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 Chickasaw County?
Chickasaw County has a composite FEMA National Risk Index score of 43.9 out of 100, placing it in the Low category and the 44th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Chickasaw County?
The three highest-rated hazards are Strong Wind (High, $1M EAL), Earthquake (Low, $1M EAL), Drought (Medium, $578K EAL). These account for most of the county's expected annual losses.
How does Chickasaw County compare to other Mississippi counties?
Chickasaw County ranks #49 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. Chickasaw County's $10M EAL is a statistical average, not a guarantee for any specific year or address.