Mammatus clouds are some of the most visually striking and unusual cloud formations in the sky. They appear as rounded, pouchlike lobes that hang down from the base of a cloud, usually under ...

It was not a bird, a plane, popcorn, cotton balls or giant cow udders in the skies above Bucks County on Sunday evening. So what was it? A unique weather phenomenon. Called mammatus clouds, these ...

GREENVILLE, N.C. (WNCT) — Severe thunderstorms come with their fair share of funky looking clouds. One cloud type can serve as a warning sign for tornado formation. Which brings me to this week’s ...

People watching the skies above Allegheny County and surrounding areas Thursday evening for signs of potential thunderstorms instead were treated to vistas of clouds resembling fluffy cotton balls.

CEDAR RAPIDS, Iowa (KCRG) - As storms moved out of eastern Iowa on Sunday evening, some unusual cloud formations developed on the clouds that were left over. Mammatus clouds are the billowy clouds ...

If you looked up at the Wichita sky Tuesday night around sunset, dramatic cloud formations probably caught your eye. For those who missed the evening cloud cover, chances are good you can catch a ...

SPOKANE, Wash. — Fast-moving showers brought rain, graupel and small hail to the Inland Northwest on Tuesday. The storms that created them also provided some exciting sights. The pouch-like structures ...

In the summer months, the skies can fill up with a variety of interesting and unusual cloud formations, especially during stormy weather. Clouds are more than just picturesque features of the sky; ...

Thunderstorms form due to rapidly rising air. At the top of the storm, the air diverges, which is why you get that anvil shape in some of the more intense cells. Mature stage of a thunderstorm Within ...

Yesterday evening brought with it another round of showers and storms, some of which went severe-warned and produced locally strong winds and some fairly large hail up to the size of quarters at times ...