Norman, OK
Local storm history & FEMA National Risk Index data
Norman is rated Relatively Moderate for overall natural hazard risk — near the middle compared to other US counties — based on FEMA's National Risk Index for Cleveland County, OK. The county's highest-rated hazards are ice storm, hail, and cold wave.
Storm events near Norman
NOAA-recorded tornado, hail, and flood events within 25 miles of Norman's center, 2016–2026 — the only hazards NOAA reports with exact coordinates, so these counts are specific to Norman itself, not the whole county.
County-wide hazard risk
Every other hazard FEMA and NOAA track — including drought — is only scored at the county level. These are Cleveland County's FEMA National Risk Index scores, covering Norman along with the rest of the county, not a Norman-specific figure.
| Hazard | NRI score | Rating |
|---|---|---|
| Wildfire | 85 | Relatively Low |
| Inland Flooding | 88.2 | Relatively Moderate |
| Coastal Flooding | — | Not Applicable |
| Earthquake | 86.3 | Relatively Low |
| Heat Wave | 97.3 | Relatively High |
| Tornado | 96.3 | Relatively High |
| Avalanche | — | Not Applicable |
| Cold Wave | 97.6 | Relatively High |
| Drought | 74.9 | Relatively Moderate |
| Hail | 98.8 | Relatively High |
| Hurricane | 36.7 | Very Low |
| Ice Storm | 99.6 | Very High |
| Landslide | 58 | Very Low |
| Lightning | 74.4 | Relatively Moderate |
| Strong Wind | 96.3 | Relatively High |
| Tsunami | — | Not Applicable |
| Volcanic Activity | — | Not Applicable |
| Winter Weather | 95.6 | Relatively High |
Source: FEMA National Risk Index v1.20.0, December 2025. See the methodology page for definitions, or the full Cleveland County risk profile for disaster declarations, social vulnerability, and climate projection data.
Other cities in Cleveland County:
More on Cleveland County:
Frequently asked questions
What natural hazards is Norman, OK at risk of?
Norman is rated Relatively Moderate for overall natural hazard risk by FEMA's National Risk Index — near the middle compared to other US counties. The highest-rated hazards for Cleveland County, where Norman is located, are ice storm, hail, and cold wave.
What is Norman's biggest natural hazard risk?
Ice Storm is the highest-rated hazard for Cleveland County, where Norman is located, scoring 99.6 out of 100 on FEMA's National Risk Index (rated "Very High").
Is Norman a high-risk area for natural disasters?
Somewhat — Norman carries near the middle compared to other US counties for overall natural hazard risk, per FEMA's National Risk Index rating of "Relatively Moderate" for Cleveland County.
Has Norman had tornadoes, hail, or flooding?
NOAA has recorded 109 tornado, 728 hail, 180 inland flooding events within 25 miles of Norman since 2016.