Low Risk Tennessee  ·  Tornado / Flash Flooding

Unicoi County TN

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

5/ 10
Threat Score
Population
18
Area
186
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
6
federally declared

Unicoi County TN in Tennessee faces tornado / flash flooding risk across its 186 square mile area. Erwin was catastrophically flooded by Helene in 2024 on the Nolichucky River. Unicoi 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 5 / 10    Low Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Winter Storm
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event Helene 2024
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (423) 743-3381
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Unicoi County TN
State Tennessee (TN)
Population 18
Area 186 sq miles
FEMA Region Low

// Other Tennessee Counties