A tornado is a rapidly rotating column of air that is in contact with both the surface of the Earth and the stormy clouds above. This fierce windstorm is also often referred to as a whirl wind or twister. Most tornadoes are found in the Great Plains of the central United States, because it’s an ideal environment for the formation of severe thunderstorms. In this area, known as Tornado Alley, storms are caused when dry cold air moving south from Canada meets warm moist air traveling north from th