Natural Disaster Risk in Saint John

Natural Hazard Profile: Saint John, Indiana

Saint John, in Lake County, is a city of approximately 18,843 residents situated in the Great Lakes region. Its humid continental climate brings cold winters and warm, humid summers with variable severe weather, and in particular spring tornado risk across the state. These conditions collectively define the natural hazard environment that Saint John residents and property owners must navigate.

Saint John's overall natural disaster risk is rated 7.4/10 (High) by FEMA's National Risk Index. Cold wave events are the primary hazard risk, driven by periodic invasions of Arctic air that drive wind chills to life-threatening levels and stress heating systems. Secondary hazards include tornado and winter.

Within Indiana, Saint John's risk is, considerably above the 5.5/10 state average. Nationally, it ranks well above the U.S. national average of 4.5/10. FEMA's analysis of Lake County identifies cold wave as the foremost hazard, followed by tornado and winter. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Saint John residents benefit from taking preparedness seriously. Reviewing insurance coverage for cold wave 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.