Cloud of the Day: Mammatocumulus

Mammatocumulus are impressive clouds. They are described as eerie, even foreboding ...

https://greencomet.org/2014/05/18/mammatocumulus/

Photo: Euclid van der Kroew CC-BY-NC-SA

https://mastodon.cloud/media/rXuvqVjvYjLCkR7Lu-c