Calhoun County
Alabama — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 88th
Calhoun County faces medium composite natural disaster risk (NRI Risk Index score 88.5, 88th national percentile), driven primarily by tornado and riverine flood exposure. Expected annual loss across all 18 hazard types is $54M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Tornado | High | 0.53 / yr | $19M |
| Riverine Flood | Medium | 1.04 / yr | $27M |
| Landslide | Low | 0.81 / yr | $23K |
| Strong Wind | High | 3.27 / yr | $1M |
| Earthquake | Low | 0.00 / yr | $2M |
| Wildfire | Low | 0.00 / yr | $340K |
| Lightning | Medium | 64.15 / yr | $528K |
| Heat Wave | Low | 4.63 / yr | $1M |
| Cold Wave | Medium | 0.74 / yr | $2M |
| Hurricane | Low | 0.04 / yr | $617K |
| Hail | Low | 4.79 / yr | $438K |
| Drought | Low | 27.60 / yr | $221K |
| Ice Storm | Low | 0.30 / yr | $78K |
| Winter Weather | Low | 3.11 / yr | $21K |
| 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 Calhoun County?
Calhoun County has a composite FEMA National Risk Index score of 88.5 out of 100, placing it in the Medium category and the 88th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Calhoun County?
The three highest-rated hazards are Tornado (High, $19M EAL), Riverine Flood (Medium, $27M EAL), Landslide (Low, $23K EAL). These account for most of the county's expected annual losses.
How does Calhoun County compare to other Alabama counties?
Calhoun County ranks #9 of 67 Alabama 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. Calhoun County's $54M EAL is a statistical average, not a guarantee for any specific year or address.