Columbia County OR in Oregon faces tornado / flash flooding risk across its 687 square mile area. St. Helens on the Columbia River serves this northwest Oregon county. Columbia 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.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 5 / 10 Low Risk |
| Primary Hazard | Tornado / Flash Flooding |
| Secondary Hazard | Severe Storm |
| FEMA Flood Zone | Low |
| Federally Declared Disasters | 6 |
| Last Major Event | 2020 Wildfire Smoke |
| Event Frequency | Annual |
// Emergency Operations
| Emergency Mgmt Phone | (503) 397-3796 |
| Emergency Shelters | 2 designated facilities |
| Evacuation Routes | State and US highways |
// County Profile
| County | Columbia County OR |
| State | Oregon (OR) |
| Population | 52 |
| Area | 687 sq miles |
| FEMA Region | Low |
// Other Oregon Counties
Coos County OR
Earthquake / Tsunami
7/10
Moderate
Lincoln County OR
Earthquake / Tsunami
7/10
Moderate
Multnomah County OR
Earthquake / Flooding
7/10
High
Curry County OR
Earthquake / Tsunami
7/10
Moderate
Jackson County OR
Wildfire / Flooding
7/10
High
Tillamook County OR
Earthquake / Tsunami
7/10
Moderate