Monongalia County
West Virginia — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 72th
Monongalia County faces low composite natural disaster risk (NRI Risk Index score 71.5, 72th national percentile), driven primarily by landslide and riverine flood exposure. Expected annual loss across all 18 hazard types is $36M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Landslide | Medium | 0.87 / yr | $55K |
| Riverine Flood | Medium | 2.07 / yr | $31M |
| Lightning | Medium | 44.49 / yr | $768K |
| Hail | Low | 2.42 / yr | $532K |
| Hurricane | Low | 0.02 / yr | $351K |
| Strong Wind | Medium | 1.68 / yr | $882K |
| Ice Storm | Low | 0.23 / yr | $96K |
| Avalanche | Very Low | 0.01 / yr | $524 |
| Tornado | Low | 0.07 / yr | $1M |
| Winter Weather | Low | 9.98 / yr | $65K |
| Earthquake | Very Low | 0.00 / yr | $242K |
| Heat Wave | Low | 1.99 / yr | $296K |
| Wildfire | Very Low | 0.00 / yr | $18K |
| Cold Wave | Very Low | 2.67 / yr | $341K |
| Drought | Very Low | 1.65 / yr | $7K |
| 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 Monongalia County?
Monongalia County has a composite FEMA National Risk Index score of 71.5 out of 100, placing it in the Low category and the 72th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Monongalia County?
The three highest-rated hazards are Landslide (Medium, $55K EAL), Riverine Flood (Medium, $31M EAL), Lightning (Medium, $768K EAL). These account for most of the county's expected annual losses.
How does Monongalia County compare to other West Virginia counties?
Monongalia County ranks #12 of 55 West Virginia counties for overall natural disaster risk, with a 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. Monongalia County's $36M EAL is a statistical average, not a guarantee for any specific year or address.