Moderate Risk Oklahoma  ·  Tornado / Flash Flooding

Bryan County OK

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

6/ 10
Threat Score
Population
46
Area
907
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
7
federally declared

Bryan County OK in Oklahoma faces tornado / flash flooding risk across its 907 square mile area. Durant on Lake Texoma serves this southeast Oklahoma county with Choctaw Nation. Bryan serves as the county seat and regional emergency coordination hub.

// Preparedness Recommendations

  • Evacuation routes inland should be identified in advance.
  • Store at least 72 hours of food and water.
  • Elevate critical belongings above flood level.
  • Have backup power ready in case of grid failure.

// Recommended Supplies

Essential gear for power outages, severe weather, and emergency situations in your area.

// Risk Intelligence

Threat Score 6 / 10    Moderate Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Severe Storm
FEMA Flood Zone Moderate
Federally Declared Disasters 7
Last Major Event 2019 Tornado
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (580) 924-1446
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Bryan County OK
State Oklahoma (OK)
Population 46
Area 907 sq miles
FEMA Region Moderate

// 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.

🌊
Denison Dam TX/OK
Major Dam  ·  Denison, TX  ·  US Army Corps of Engineers  ·  20-mi risk zone
8/10 High

Infrastructure risk data is for emergency preparedness awareness. Facility locations are publicly known. Always follow official emergency guidance.