Natural Disaster Risk in Lewiston

Natural Hazard Profile: Lewiston, New York

Lewiston, in Niagara County, is a city of approximately 10,247 residents situated in the Great Lakes region. Its humid continental climate brings cold winters, warm summers, and significant regional climate variation, and in particular nor'easters and lake-effect snowstorms. These conditions collectively define the natural hazard environment that Lewiston residents and property owners must navigate.

According to FEMA's National Risk Index, Lewiston carries an overall risk score of 6.3/10, placing it in the high category. Coastal flooding is the dominant hazard, with storm surge from tropical systems and nor'easters capable of inundating low-lying shoreline areas well above normal tidal levels. The area also faces notable exposure to ice storm and avalanche.

Within New York, Lewiston's risk is, near the 6.1/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Niagara County identifies coastal flood as the foremost hazard, followed by ice storm and avalanche. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Lewiston residents benefit from taking preparedness seriously. Reviewing insurance coverage for coastal flood 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.