Northumberland County
Virginia — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 40th
Northumberland County faces very low composite natural disaster risk (NRI Risk Index score 40.0, 40th national percentile), driven primarily by drought and hurricane exposure. Expected annual loss across all 18 hazard types is $8M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Drought | Medium | 3.60 / yr | $938K |
| Hurricane | Medium | 0.16 / yr | $3M |
| Strong Wind | High | 2.24 / yr | $1M |
| Coastal Flood | Medium | 3.68 / yr | $668K |
| Ice Storm | Low | 0.76 / yr | $43K |
| Earthquake | Very Low | 0.00 / yr | $97K |
| Landslide | Very Low | 0.07 / yr | $316 |
| Heat Wave | Very Low | 4.95 / yr | $99K |
| Cold Wave | Low | 0.89 / yr | $262K |
| Tornado | Low | 0.15 / yr | $286K |
| Winter Weather | Very Low | 4.95 / yr | $13K |
| Riverine Flood | Very Low | 0.39 / yr | $2M |
| Wildfire | Very Low | 0.00 / yr | $5K |
| Hail | Very Low | 1.97 / yr | $28K |
| Lightning | Very Low | 38.80 / yr | $29K |
| Avalanche | 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 Northumberland County?
Northumberland County has a composite FEMA National Risk Index score of 40.0 out of 100, placing it in the Very Low category and the 40th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Northumberland County?
The three highest-rated hazards are Drought (Medium, $938K EAL), Hurricane (Medium, $3M EAL), Strong Wind (High, $1M EAL). These account for most of the county's expected annual losses.
How does Northumberland County compare to other Virginia counties?
Northumberland County ranks #51 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. Northumberland County's $8M EAL is a statistical average, not a guarantee for any specific year or address.