Natural Disaster Risk in Thornville

Natural Hazard Profile: Thornville, Ohio

Thornville, in Perry County, is a town of roughly 9,456 residents situated in the interior eastern United States. Its humid continental climate brings cold winters with lake-effect snow in the north and warm, humid summers, and in particular spring tornado risk and winter ice storms. These conditions collectively define the natural hazard environment that Thornville residents and property owners must navigate.

Thornville's overall natural disaster risk is rated 5.1/10 (Moderate) by FEMA's National Risk Index. The area faces significant landslide risk, where mountainous topography and saturated soils during wet periods combine to create hazardous mass movement conditions. Secondary hazards include ice storm and drought.

Within Ohio, Thornville's risk is, slightly below the 5.8/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Perry County identifies landslide as the foremost hazard, followed by ice storm and drought. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Thornville 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.