How does the National Weather Service confirm if a tornado actually touched the ground after they issue a Tornado Warning?

Authorities have confirmed a fourth death from storms that tore across North Dakota last Friday, in Stutsman County.

Tornadoes come in all shapes and sizes, whether it be a rope that cuts a thin line through the country side, or a dusty wedge ...

A tornado that spun out of a line of severe thunderstorms killed three people early Sunday in a Central New York hamlet, according to the National Weather ...

Large destructive tornado touches down around 11 pm June 20th outside of Enderlin, ND. (Max Mueller/KVRR)FARGO (KVRR) – The ...

A tornado hit central New York during storms that killed at least three people, including twin sisters.The twister in the ...

A nearly perfectly formed tornado wowed storm spotters east of Dickens, Nebraska, but it proved more interested in posing ...

As for the numbers on the scale, those describe the wind speed for tornadoes, and it uses 28 damage indicators (DIs), such as ...

A tornado that touched down in southwestern North Dakota's Stark County on Thursday evening damaged roofs on two houses, a tree, a fence and some siding, and knocked down two ...

More than 10 tornadoes were recorded in central Illinois on Wednesday, according to the National Weather Service. Find out ...

Wednesday's night's twister was the state's 29th tornado so far this year. Most have been weak spin-up tornadoes during ...

The storm in southeastern Saskatchewan near Estevan produced at least one spotter-confirmed tornado. Multiple chasers in the ...