Adams County
Washington — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 23th
Adams County faces very low composite natural disaster risk (NRI Risk Index score 23.2, 23th national percentile), driven primarily by wildfire and cold wave exposure. Expected annual loss across all 18 hazard types is $7M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Wildfire | Low | 0.00 / yr | $650K |
| Cold Wave | Low | 1.27 / yr | $2M |
| Earthquake | Low | 0.00 / yr | $547K |
| Hail | Low | 0.17 / yr | $351K |
| Heat Wave | Low | 4.57 / yr | $379K |
| Volcanic Activity | Very Low | 0.00 / yr | $8 |
| Riverine Flood | Very Low | 0.14 / yr | $4M |
| Landslide | Very Low | 0.36 / yr | $335 |
| Drought | Very Low | 14.38 / yr | $4K |
| Ice Storm | Very Low | 0.11 / yr | $15K |
| Strong Wind | Low | 0.24 / yr | $143K |
| Winter Weather | Very Low | 11.81 / yr | $10K |
| Tornado | Very Low | 0.08 / yr | $34K |
| Lightning | Very Low | 9.52 / yr | $19K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| 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 Adams County?
Adams County has a composite FEMA National Risk Index score of 23.2 out of 100, placing it in the Very Low category and the 23th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Adams County?
The three highest-rated hazards are Wildfire (Low, $650K EAL), Cold Wave (Low, $2M EAL), Earthquake (Low, $547K EAL). These account for most of the county's expected annual losses.
How does Adams County compare to other Washington counties?
Adams County ranks #35 of 39 Washington 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. Adams County's $7M EAL is a statistical average, not a guarantee for any specific year or address.