Low Risk New York  ·  Winter Storm / Flash Flooding

Jefferson County NY

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

5/ 10
Threat Score
Population
116
Area
1,272
sq miles
Primary Hazard
Winter Storm / Flash Flooding
FEMA Disasters
6
federally declared

Jefferson County NY in New York faces winter storm / flash flooding risk across its 1,272 square mile area. Watertown serves this north New York county on Lake Ontario hosting Fort Drum 10th Mountain Division. Jefferson 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 Winter Storm / Flash Flooding
Secondary Hazard Tornado
FEMA Flood Zone Low
Federally Declared Disasters 6
Last Major Event 2019 Flooding
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (315) 785-3000
Emergency Shelters 2 designated facilities
Evacuation Routes State and US highways

// County Profile

County Jefferson County NY
State New York (NY)
Population 116
Area 1,272 sq miles
FEMA Region Low

// Other New York Counties

// Nearby Infrastructure Risks

Critical infrastructure facilities within or near this area that could affect civilian safety during emergencies, conflict, or infrastructure failures.

Fort Drum NY
Military Installation  ·  Watertown, NY  ·  US Army  ·  25-mi risk zone
7/10 High

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