Chilling scenes continued before the storm in the sky as well. Undulatus Asperatus Clouds were formed, one of the rarest ...

Take a look at the sky the next time you’re outside ... These oceanic lookalikes are called asperitas clouds, formerly known as undulatus asperatus. It’s the newest cloud type recognized ...

The clouds were originally referred to as "undulatus asperatus." The name roughly translates to "rough waves" in Latin.Asperitas became the cloud formation's formal name when it was officially ...