Natural Disaster Risk in Duncan

Natural Hazard Profile: Duncan, Oklahoma

Duncan, in Stephens County, is a city of approximately 27,618 residents situated in the interior eastern United States. Its semi-arid climate brings hot summers, variable winters, and exposure at the center of Tornado Alley, and in particular a globally significant tornado season that peaks in spring. These conditions collectively define the natural hazard environment that Duncan residents and property owners must navigate.

According to FEMA's National Risk Index, Duncan carries an overall risk score of 6.9/10, placing it in the high category. Large hail is the dominant natural hazard, with supercell thunderstorms regularly producing damaging hailstones capable of destroying crops, vehicles, and roofs. The area also faces notable exposure to tornado and ice storm.

Within Oklahoma, Duncan's risk is, slightly above the 6.4/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Stephens County identifies hail as the foremost hazard, followed by tornado and ice storm. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Duncan residents benefit from taking preparedness seriously. Reviewing insurance coverage for hail and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.