According to experts, the United States averages over 1,150 tornadoes every year—that's more than any other country on Earth. Thanks to modern observing systems, forecasters can see the signs of a potential tornado in advance but forecasting when and where tornadoes will form is still difficult.
The US National Weather Service plays a crucial role in tracking, predicting, and responding to tornadoes and will issue watches or warnings depending on the severity and likelihood of tornado development. But what is the difference between a tornado watch and a tornado warning? You'll find the answer in this gallery. Click through to discover.