Greene County
Missouri — Natural Disaster Risk Assessment
MediumComposite Risk Score
National percentile: 90th
Greene County faces medium composite natural disaster risk (NRI Risk Index score 90.1, 90th national percentile), driven primarily by ice storm and heat wave exposure. Expected annual loss across all 18 hazard types is $97M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | Very High | 1.18 / yr | $5M |
| Heat Wave | High | 13.42 / yr | $17M |
| Winter Weather | Very High | 11.74 / yr | $1M |
| Lightning | High | 57.32 / yr | $2M |
| Tornado | High | 0.51 / yr | $13M |
| Hail | Medium | 7.25 / yr | $3M |
| Earthquake | Medium | 0.00 / yr | $10M |
| Riverine Flood | Medium | 6.14 / yr | $39M |
| Strong Wind | High | 5.66 / yr | $2M |
| Cold Wave | Medium | 2.37 / yr | $4M |
| Wildfire | Low | 0.00 / yr | $241K |
| Landslide | Very Low | 0.25 / yr | $2K |
| Drought | Low | 4.18 / yr | $112K |
| Hurricane | Very Low | 0.01 / yr | $37K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| 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 Greene County?
Greene County has a composite FEMA National Risk Index score of 90.1 out of 100, placing it in the Medium category and the 90th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Greene County?
The three highest-rated hazards are Ice Storm (Very High, $5M EAL), Heat Wave (High, $17M EAL), Winter Weather (Very High, $1M EAL). These account for most of the county's expected annual losses.
How does Greene County compare to other Missouri counties?
Greene County ranks #6 of 115 Missouri counties for overall natural disaster risk, with a medium 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. Greene County's $97M EAL is a statistical average, not a guarantee for any specific year or address.