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 ...

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

Live updates: 36 dead as storms head east; over 380,000 customers without power across East Coast, South and Midwest The ...

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

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

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.

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

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

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