Wayne County
Utah — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 2th
Wayne County faces very low composite natural disaster risk (NRI Risk Index score 1.9, 2th national percentile), driven primarily by landslide and winter weather exposure. Expected annual loss across all 18 hazard types is $2M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Medium | 1.99 / yr | $98K |
| Winter Weather | Medium | 11.81 / yr | $145K |
| Avalanche | Very Low | 0.03 / yr | $1K |
| Wildfire | Very Low | 0.00 / yr | $54K |
| Earthquake | Very Low | 0.01 / yr | $230K |
| Heat Wave | Low | 1.88 / yr | $209K |
| Lightning | Low | 41.34 / yr | $145K |
| Drought | Low | 117.22 / yr | $26K |
| Volcanic Activity | Very Low | 0.00 / yr | $1 |
| Riverine Flood | Very Low | 4.86 / yr | $903K |
| Ice Storm | Very Low | 0.01 / yr | $2K |
| Cold Wave | Very Low | 0.02 / yr | $7K |
| Strong Wind | Very Low | 0.09 / yr | $10K |
| Tornado | Very Low | 0.04 / yr | $4K |
| Hail | Very Low | 0.07 / yr | $2K |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Wayne County?
Wayne County has a composite FEMA National Risk Index score of 1.9 out of 100, placing it in the Very Low category and the 2th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Wayne County?
The three highest-rated hazards are Landslide (Medium, $98K EAL), Winter Weather (Medium, $145K EAL), Avalanche (Very Low, $1K EAL). These account for most of the county's expected annual losses.
How does Wayne County compare to other Utah counties?
Wayne County ranks #27 of 29 Utah counties for overall natural disaster risk, with a very 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. Wayne County's $2M EAL is a statistical average, not a guarantee for any specific year or address.