When you have finished this page, try the Storms Quiz.
Storms fall into several categories.
All storms while exciting to view from afar, can be extremely dangerous and destructive. Thunderstorms are the commonest of storms and frequently accompany hurricanes, tornadoes, etc. They are caused by convection currents. Air is heated and then rises, often pushed upward by heavier, cooler air masses. As the air rises it cools and expands.