A tornado is a violently rotating column of air that extends from a thunderstorm to the ground. Tornadoes are capable of causing tremendous destruction and loss of life.
The first recorded tornado in history occurred in China in 4 BCE. Since then, tornadoes have been documented on every continent except Antarctica.
The deadliest tornado in history occurred in Bangladesh in 1989, killing an estimated 1,300 people. The costliest tornado in history occurred in the United States in 2011, causing an estimated $11 billion in damage.
