Shelby County
Alabama — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 90th
Shelby County faces medium composite natural disaster risk (NRI Risk Index score 90.3, 90th national percentile), driven primarily by tornado and landslide exposure. Expected annual loss across all 18 hazard types is $106M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Tornado | High | 0.81 / yr | $32M |
| Landslide | Medium | 1.22 / yr | $103K |
| Riverine Flood | Medium | 1.86 / yr | $56M |
| Lightning | High | 70.53 / yr | $2M |
| Heat Wave | Medium | 7.74 / yr | $3M |
| Cold Wave | Medium | 0.58 / yr | $7M |
| Earthquake | Low | 0.00 / yr | $3M |
| Strong Wind | Medium | 1.88 / yr | $2M |
| Wildfire | Low | 0.00 / yr | $302K |
| Hurricane | Low | 0.06 / yr | $478K |
| Ice Storm | Medium | 0.41 / yr | $197K |
| Hail | Low | 3.70 / yr | $398K |
| Drought | Low | 31.04 / yr | $166K |
| Winter Weather | Low | 2.79 / yr | $36K |
| 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 Shelby County?
Shelby County has a composite FEMA National Risk Index score of 90.3 out of 100, placing it in the Medium category and the 90th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Shelby County?
The three highest-rated hazards are Tornado (High, $32M EAL), Landslide (Medium, $103K EAL), Riverine Flood (Medium, $56M EAL). These account for most of the county's expected annual losses.
How does Shelby County compare to other Alabama counties?
Shelby County ranks #7 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. Shelby County's $106M EAL is a statistical average, not a guarantee for any specific year or address.