How do weather forecasters predict storms? When does a snowstorm turn into a real blizzard? Get answers to these questions and more in the Natural Disasters series, which features clear explanations and tips for being prepared for extreme natural events. This photo-illustrated book describes what a makes a winter storm a blizzard, how blizzards affect people, and highlights some historic blizzards. Includes information on keeping safe if living in an area prone to winter storms.