Frightened residents of Kazan, Russia's fifth-largest city, have taken to social media to share pictures and videos of a cloud that resembles a "nuclear mushroom", local media reported. Residents of ...

Even on quiet nights out for dinner with my wife, weather geekdom can find its way to the surface. Friday was one of those evenings. The Italian restaurant was packed so I dropped my wife off to get ...

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; ...

Cumulonimbus clouds are also known as thunderstorm clouds. High winds, usually from the jet stream, can flatten the top of the cloud into an anvil-like shape. The anvil usually points in the direction ...

Drivers on their morning commute were treated to views of a massive, unusually-shaped cloud as the Sun rose over the Houston area Thursday morning. The aptly nicknamed anvil cloud towered over the ...

A storm cloud described by some as a “nuke” cloud drew the attention of hundreds of San Antonians Saturday evening as it poured heavy rain over Atascosa county. Matthew Brady, a meteorologist with the ...

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 ever spot an anvil on the top of a cloud, you can bet it’s a sign of maturity. But just because the cloud is mature, doesn’t mean it’s going to play nicely. An anvil, also known as an anvil top ...