It looked like a tornado, but one clue in this video told us it was a benign cloud known as a 'scud vacuum' instead.

A huge funnel-shaped cloud prompted an obvious question from a little girl recently, who asked her mother if it was a tornado ...

Have you ever seen a ceiling of clouds with bumpy, pouch-like formations hanging down? Those are called "mammatus clouds." FOX Weather Meteorologist Ari Sarsalari explains how they form and whether ...