Air blowing across a body of water, such as a large lake or the ocean, is an excellent source of moisture. An example of lift is warm air colliding with cold air and being forced to rise over the cold dome. The boundary between the warm and cold air masses is called a front. Another example of lift is air flowing up a mountain side. Most deaths from Winter Storms are not directly related to the storm itself People die in traffic accidents on icy roads.
People die of heart attacks while shoveling snow.
People die of hypothermia from prolonged exposure to cold. Everyone is potentially at risk during winter storms. The actual threat to you depends on your specific situation. Majority are males over 40 years old. No accumulation or light dusting is all that is expected.