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

The Enhanced Fujita Scale provides an estimated range of a tornado's wind speeds, based on the tornado's damage.

Large and destructive tornadoes are carving paths of destruction across the South for the second day in a row.

One question you may ask yourself is how tornadoes are measured? It's with the Enhanced Fujita (EF) scale which is gives a ...

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

A recent tornado in South Dakota was given the relatively rare designation of EF-U due to the area in which it touched down.

At least 37 people have died across seven states as powerful storm systems swept through the Midwest and the South.

A weak tornado with winds estimated at about 85 mph left a path of damage that extended for blocks in a Pico Rivera ...