Warren County
Virginia — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 32th
Warren County faces very low composite natural disaster risk (NRI Risk Index score 31.6, 32th national percentile), driven primarily by landslide and hurricane exposure. Expected annual loss across all 18 hazard types is $13M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Low | 0.40 / yr | $21K |
| Hurricane | Low | 0.08 / yr | $263K |
| Drought | Low | 3.33 / yr | $279K |
| Riverine Flood | Low | 2.21 / yr | $10M |
| Avalanche | Very Low | 0.01 / yr | $672 |
| Heat Wave | Low | 3.23 / yr | $446K |
| Lightning | Low | 39.56 / yr | $272K |
| Earthquake | Very Low | 0.00 / yr | $265K |
| Strong Wind | Low | 5.82 / yr | $594K |
| Winter Weather | Low | 12.03 / yr | $65K |
| Hail | Low | 3.27 / yr | $200K |
| Wildfire | Very Low | 0.00 / yr | $26K |
| Tornado | Very Low | 0.11 / yr | $451K |
| Ice Storm | Very Low | 0.68 / yr | $7K |
| Cold Wave | Very Low | 1.95 / yr | $78K |
| 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 Warren County?
Warren County has a composite FEMA National Risk Index score of 31.6 out of 100, placing it in the Very Low category and the 32th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Warren County?
The three highest-rated hazards are Landslide (Low, $21K EAL), Hurricane (Low, $263K EAL), Drought (Low, $279K EAL). These account for most of the county's expected annual losses.
How does Warren County compare to other Virginia counties?
Warren County ranks #63 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. Warren County's $13M EAL is a statistical average, not a guarantee for any specific year or address.