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

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

The National Weather Service in St. Louis has confirmed three tornadoes hit the St. Louis area during Friday's storms, ...

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

Each tornado touched down in Saturday's early hours, with the last and smallest observed at 5:14 a.m. An EF-1 ...

A deadly storm will push toward the East Coast on Sunday after days of destruction from 81 tornadoes, wildfires and dust ...

Researches found little evidence that tornadoes were getting weaker. Instead, it appears that a subjective tornado grading system is to blame.

The National Weather Service on Saturday confirmed at least three EF-2 tornadoes touched down in southern Indiana.

Tuesday will mark a somber anniversary, as it will be 100 years since the deadliest tornado in the country’s history hit ...

The original Fujita scale, developed in the 1970s, was used until 2007, when it was updated and replaced by what is now known as the Enhanced Fujita (EF) scale. The numerical ratings of tornadoes were ...

Storm damage has been reported across Alabama from severe weather on Saturday. Severe storms are being blamed for a t least ...