Caught in the Storm tells the story of a deadly EF5 tornado in Joplin, Missouri, and here's why storms are classified this ...

Winds can be a force of destruction ripping through homes and creating projectiles out of branches and loose items.

Each tornado touched down in Saturday's early hours, with the last and smallest observed at 5:14 a.m. An EF-1 tornado is considered moderate, with winds of 86-110 mph.Start the day smarter ...

What is the difference between a hurricane and a tornado? Learn how these powerful storms form, how they are named, and the ...

Tornadoes are classified through the Enhanced Fujita, or EF, scale, which rates storms on a scale of 0 to 5 based on recorded ...

Originally created by famed tornado researcher Ted Fujita, the scale takes into account estimated wind speeds, observed damage and damage verified in weather service surveys after tornadoes.