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 ...

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

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

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

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

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

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

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

Residents were stunned after a tornado touched down in Pico Rivera early Thursday morning, leaving behind a trail of destruction. At around 3:15 a.m., the tornado, an EF-0 on the Enhanced Fujita ...