Tulsa County
Oklahoma — Natural Disaster Risk Assessment
HighComposite Risk Score
National percentile: 98th
Tulsa County faces high composite natural disaster risk (NRI Risk Index score 97.9, 98th national percentile), driven primarily by ice storm and heat wave exposure. Expected annual loss across all 18 hazard types is $292M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Ice Storm | Very High | 1.28 / yr | $6M |
| Heat Wave | High | 26.26 / yr | $76M |
| Strong Wind | Very High | 6.75 / yr | $11M |
| Tornado | Very High | 0.68 / yr | $37M |
| Hail | High | 8.99 / yr | $7M |
| Riverine Flood | High | 4.75 / yr | $138M |
| Cold Wave | High | 1.68 / yr | $10M |
| Lightning | High | 54.13 / yr | $1M |
| Wildfire | Medium | 0.00 / yr | $1M |
| Earthquake | Low | 0.00 / yr | $5M |
| Winter Weather | High | 9.16 / yr | $353K |
| Drought | Medium | 20.66 / yr | $576K |
| Landslide | Low | 0.13 / yr | $5K |
| Hurricane | Very Low | 0.01 / yr | $47K |
| 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 Tulsa County?
Tulsa County has a composite FEMA National Risk Index score of 97.9 out of 100, placing it in the High category and the 98th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Tulsa County?
The three highest-rated hazards are Ice Storm (Very High, $6M EAL), Heat Wave (High, $76M EAL), Strong Wind (Very High, $11M EAL). These account for most of the county's expected annual losses.
How does Tulsa County compare to other Oklahoma counties?
Tulsa County ranks #2 of 77 Oklahoma counties for overall natural disaster risk, with a high 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. Tulsa County's $292M EAL is a statistical average, not a guarantee for any specific year or address.