Natural Disaster Risk in Nelsonville

Natural Hazard Profile: Nelsonville, Wisconsin

Nelsonville, in Portage County, is a small unincorporated community situated in the interior eastern United States. Its humid continental climate brings long, cold winters with lake-effect snow and warm summers, and in particular severe blizzards and spring tornado outbreaks. These conditions collectively define the natural hazard environment that Nelsonville residents and property owners must navigate.

According to FEMA's National Risk Index, Nelsonville carries an overall risk score of 5.5/10, placing it in the moderate category. Arctic air outbreaks are the leading natural hazard, with temperature plunges to dangerous lows capable of causing hypothermia and widespread infrastructure failures. The area also faces notable exposure to hail and lightning.

Within Wisconsin, Nelsonville's risk is, near the 5.4/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Portage County identifies cold wave as the foremost hazard, followed by hail and lightning. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a moderate risk rating, Nelsonville 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 cold wave is recommended.