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

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

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 ...

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

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

The National Weather Service (NWS) on Saturday confirmed at least 3 EF-2 Tornadoes touched down in southern Indiana.

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

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

Parts of the city had been urged to evacuate as a powerful system brought rain and snow up and down the state.