Natural Disaster Risk in Lewis County

Natural Hazard Profile: Lewis County, West Virginia

Lewis County, in the United States in West Virginia, is characterized by its humid continental climate — cold winters, warm summers, and mountainous terrain that intensifies flooding. The county faces flash flooding and winter storms, and its FEMA risk assessment establishes the hazard baseline shared by all the towns and cities it contains.

According to FEMA's National Risk Index, Lewis County carries an overall risk score of 4.4/10, placing it in the moderate category. Landslide and debris flow risk tops the local hazard profile, with steep terrain and periodic heavy rainfall creating conditions for rapid slope failure in vulnerable areas. The area also faces notable exposure to avalanche and hurricane.

Within West Virginia, Lewis County's risk is, slightly below the 5.0/10 state average. Nationally, it ranks near the U.S. national average of 4.5/10. FEMA's analysis of Lewis County identifies landslide as the foremost hazard, followed by avalanche and hurricane. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Lewis County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for landslide is recommended.