Moderate Risk Oklahoma  ·  Tornado / Flash Flooding

McClain County OK

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

7/ 10
Threat Score
Population
39
Area
579
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
8
federally declared

McClain County OK in Oklahoma faces tornado / flash flooding risk across its 579 square mile area. Purcell serves this OKC southern suburb adjacent to the 2013 Moore EF5 tornado path. McClain 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 7 / 10    Moderate Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Induced Earthquake
FEMA Flood Zone Moderate
Federally Declared Disasters 8
Last Major Event 2013 Moore EF5 Proximity
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (405) 527-3360
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County McClain County OK
State Oklahoma (OK)
Population 39
Area 579 sq miles
FEMA Region Moderate

// Other Oklahoma Counties