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

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

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

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.

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

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

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

In a Facebook post Saturday afternoon, the Cedar Lake Fire Department said preliminary investigation suggests a EF0-EF1 ...

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