Mammatus clouds typically form beneath the anvil of a cumulonimbus cloud. And unlike most other clouds, which develop as a ...

The morning was warm and sunny, barely a cloud in the sky. Green fields stretched in every direction, drifts of cottonwood fluff lined the roads by the farm windbreaks, ponds were like mirrors in the ...

Locals in Indianapolis were treated to a stunning mammatus cloud display at sunset on May 16. The scene was so picturesque some viewers thought the video had been AI generated. "Mammatus clouds at ...

This reverses the usual cloud-forming process of upward growth, making for an uneven cloud base. Mammatus clouds over York on Wednesday morning. Photo by Kieran Delaney ...

"Mammatus cloud generally form in the most unstable cumulonimbus, meaning that there is also a chance of hail, heavy rain and lightning in the vicinity, and if the air is cold enough during winter ...

Unusual mammatus clouds were spotted on Wednesday morning in parts of the United Kingdom. The name mammatus comes from the Latin mamma which means 'udder' or 'breast'. The bulging cloud was made ...

Spectacular Mammatus Cloud Display over Latham, Albany County - Tuesday October 23, 2018 - Photo Credit: Robbie Venditti ...

Typically, turbulence within the cumulonimbus cloud will cause mammatus shape to form. The sunset glowing through the clouds sent them a vibrant red and orange colour.

When the anvil of a cumulonimbus cloud starts to spread out, that’s when mammatus clouds can form. As these clouds spread out, they allow warm air to move upwards into the bottom of the cloud.

"That produced a greenish-yellowish sky. "But a yellow sky is nothing to be worried about." That passing storm also created a spectacular cloud show which producing a large and imposing Mammatus ...