NORFOLK, Va. — Spotting a cumulus cloud is pretty easy. The clouds resemble pieces of cotton candy, but why are cumulus clouds fluffy and not flat? To fully understand why, we need to start with the ...

PITTSBURGH (KDKA) - On beautiful days full of sunshine, sometimes some puffy clouds develop that look like cotton balls. These "fair weather cumuli" form because of certain atmospheric conditions. You ...

A few days ago, we received this incredible picture from Ann Connolly showing a pretty cool cloud formation over the Great Sacandaga Lake: Of course she wanted to know… what type of cloud is that?!?

This is an archived article and the information in the article may be outdated.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. It has to do with the way cumulus clouds ...

A: Cumulus clouds are the puffy white clouds that look like big patches of cotton in the sky, explains Brent McRoberts of Texas A&M University. “The word cumulus comes from a Latin word meaning ‘heap ...