Natural Disaster Risk in Thompson

Natural Hazard Profile: Thompson, Utah

Thompson, in Grand County, is a small unincorporated community situated in the Great Plains. Its semi-arid climate brings dry conditions, hot summers, and heavy mountain snowfall, and in particular significant avalanche risk in mountain terrain each winter. These conditions collectively define the natural hazard environment that Thompson residents and property owners must navigate.

Thompson's overall natural disaster risk is rated 4.5/10 (Moderate) by FEMA's National Risk Index. Snow avalanche exposure tops the local risk profile, with the area's mountain setting and annual snowfall loading producing regular avalanche cycles on steep slopes. Secondary hazards include lightning and landslide.

Within Utah, Thompson's risk is, slightly below the 5.5/10 state average. Nationally, it ranks near the U.S. national average of 4.5/10. FEMA's analysis of Grand County identifies avalanche as the foremost hazard, followed by lightning and landslide. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Thompson 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 avalanche is recommended.