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

A deadly tornado outbreak ripped through the Midwest and South over the weekend, leaving destruction, power outages and ...

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

In addition to the tornadoes, high sustained winds with gusts of up to 80 miles per hour were reported throughout the region, ...

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

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

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

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

The National Weather Service (NWS) in Birmingham has confirmed five tornadoes struck central Alabama on Saturday, as severe ...

Severe storms and tornadoes are tearing through the South after deadly outbreak in the Midwest on Friday. Follow for live ...