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

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

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

Storm damage has been reported across Alabama from severe weather on Saturday. Severe storms are being blamed for a t least two deaths in Dallas County near Plantersville. Damage to homes and ...

A dangerous tornado outbreak featuring the potential for "multiple violent" tornadoes threatens much of the Deep South ...

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

A deadly storm will push toward the East Coast on Sunday after days of destruction from more than 60 tornadoes, wildfires and ...

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

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

The National Weather Service has confirmed at least four tornado touchdowns occurred in the Chicago area during a severe weather outbreak Friday.

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