On Friday, the skies over parts of B.C.'s South Coast became dark and eerie with strange-looking clouds, but they didn't cause any weather issues. So, what were they? Asperitas clouds, which weren’t ...

“Asperitas” clouds were officially accepted to the World Meteorological Organization’s International Cloud Atlas as a new cloud type in 2017, changing the name from “Asperatus” which was the ...

These “wavy” clouds are known in the meteorology world as asperitas, Latin for “roughness”, and it is a fitting descriptor of the clouds that develop in a turbulent environment. These clouds were ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. If you were outside around the Kansas City ...

The world's cloud authority, having not classified a new cloud in three decades, arose Thursday to name about a dozen new types, including a rolling, slalom-like form known to blanket the Iowa sky.

Check out this awesome picture sent in by Mandi Wilmoth early this morning. She said it looked like the clouds were folding into each other. This is a characteristic of asperitas clouds. These clouds ...

Amid dangerous severe weather, a beautiful scene took shape over North Dakota over the weekend. Striking asperitas clouds roiled across the sky as the sun set behind a thunderstorm. We’ve seen a few ...

LOUISVILLE, Ky. (WAVE) - Undulatus asperitas (or Asperitas) is the most recent cloud formation to be added to the World Meteorological Organization's International Cloud Atlas. The last cloud ...