Cleveland County is home to Moore and Norman — two communities with the highest tornado strike frequency of any urban area in the United States. Moore has been struck by violent EF4 or EF5 tornadoes in 1999, 2003, and 2013. The 1999 Bridge Creek-Moore tornado reached an estimated 318 mph, the highest wind speed ever recorded. This county has more tornado deaths per capita than anywhere in the nation.
// Preparedness Recommendations
- Identify an interior room or storm shelter.
- Monitor NOAA weather alerts continuously.
- Keep emergency kit accessible at all times.
- Prepare for sudden power outages.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 9 / 10 Critical Risk |
| Primary Hazard | Tornado / Severe Storm |
| Secondary Hazard | Flash Flooding |
| FEMA Flood Zone | Zone X (Critical Tornado Risk) |
| Federally Declared Disasters | 55 |
| Last Major Event | EF5 Moore Tornado (2013) |
| Event Frequency | Major event every 2–3 years |
// Emergency Operations
| Emergency Mgmt Phone | (405) 366-0220 |
| Emergency Shelters | 22 designated facilities |
| Evacuation Routes | I-35 North, I-35 South, OK-9 East, US-77 South |
// County Profile
| County | Cleveland County OK |
| State | Oklahoma (OK) |
| Population | 306,207 |
| Area | 541 sq miles |
| FEMA Region | Zone X (Critical Tornado Risk) |
// Major Cities
// Cities in This County
// Other Oklahoma Counties
// Nearby Infrastructure Risks
Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.
Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.