Clarke County
Virginia — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 7th
Clarke County faces very low composite natural disaster risk (NRI Risk Index score 6.9, 7th national percentile), driven primarily by drought and hurricane exposure. Expected annual loss across all 18 hazard types is $6M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Drought | Medium | 3.92 / yr | $556K |
| Hurricane | Very Low | 0.09 / yr | $193K |
| Heat Wave | Low | 3.53 / yr | $681K |
| Landslide | Very Low | 0.12 / yr | $2K |
| Earthquake | Very Low | 0.00 / yr | $166K |
| Wildfire | Very Low | 0.00 / yr | $26K |
| Strong Wind | Low | 7.35 / yr | $490K |
| Hail | Very Low | 3.86 / yr | $108K |
| Winter Weather | Very Low | 12.44 / yr | $24K |
| Riverine Flood | Very Low | 1.32 / yr | $3M |
| Tornado | Very Low | 0.11 / yr | $198K |
| Lightning | Very Low | 37.50 / yr | $74K |
| Avalanche | Very Low | 0.01 / yr | $17 |
| Cold Wave | Very Low | 1.74 / yr | $85K |
| Ice Storm | Very Low | 0.58 / yr | $2K |
| 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 Clarke County?
Clarke County has a composite FEMA National Risk Index score of 6.9 out of 100, placing it in the Very Low category and the 7th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Clarke County?
The three highest-rated hazards are Drought (Medium, $556K EAL), Hurricane (Very Low, $193K EAL), Heat Wave (Low, $681K EAL). These account for most of the county's expected annual losses.
How does Clarke County compare to other Virginia counties?
Clarke County ranks #114 of 133 Virginia 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. Clarke County's $6M EAL is a statistical average, not a guarantee for any specific year or address.