Montgomery County and Dayton were struck by a historic Memorial Day tornado outbreak on May 27 2019, when 15 tornadoes touched down across the Miami Valley region in a single evening, causing over $1 billion in damage. The event was one of the most destructive tornado outbreaks in Ohio history. The Great Miami River adds flooding risk throughout the county.
// 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 | 6 / 10 Moderate Risk |
| Primary Hazard | Tornado / Severe Storm |
| Secondary Hazard | Flash Flooding |
| FEMA Flood Zone | Zone X (Moderate Risk) |
| Federally Declared Disasters | 32 |
| Last Major Event | Memorial Day Tornadoes (2019) |
| Event Frequency | Major event every 5–6 years |
// Emergency Operations
| Emergency Mgmt Phone | (937) 225-4357 |
| Emergency Shelters | 26 designated facilities |
| Evacuation Routes | I-75 North, I-75 South, I-70 East, US-35 East |
// County Profile
| County | Montgomery County OH |
| State | Ohio (OH) |
| Population | 533,831 |
| Area | 461 sq miles |
| FEMA Region | Zone X (Moderate Risk) |
// Major Cities
// Cities in This County
// Other Ohio 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.