But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz clouds, also known as fluctus clouds, is a rare phenomenon that's ...

The wave clouds were crafted by a phenomenon known as Kelvin-Helmholtz instability, which occurs as a result of differences in air density in adjacent layers of the sky. Moisture and strong winds ...

Last week, a really defined one was captured over Chapel Hill by Mark Waller. A shelf cloud will form when warm, moist air ...

She also asked for an explanation as to what it is. These are known as Kelvin-Helmholtz wave clouds. Meteorologist Mitchel Coombs explains more about these wave clouds in the video above.

It seems quite rare." Local meteorologist Jan Null called the clouds captured in Harrison's image "a spectacular example of Kelvin-Helmholtz wave clouds." Indeed, these types of clouds get their ...

"Part of the beauty of Kelvin-Helmholtz clouds is that they really show up the fluidity of the atmosphere," he said. "How, like waves in the ocean, the atmosphere moves and responds to the ...

In one part of our area, the clouds were doing the same Sunday afternoon. In a rare showing Sunday, Martina Renaud in Cameron spotted "Kelvin-Helmholtz" wave clouds. Kelvin-Helmholtz wave clouds ...

Residents of and near Whidbey Island witnessed a weather phenomenon on Tuesday as "wave clouds" lined the horizon. Kelvin-Helmholtz clouds or fluctus clouds, as the formations are named ...

A "rare" cloud formation resembling waves in the sky has been described as "some of the best I've seen in the UK" by a weather expert. A photo of the Kelvin-Helmholtz clouds was captured by Joy ...