A woman in Calgary, Alberta, Canada, saw a strange, wavy cloud in the sky on Feb. 22, 2025, and took to X, formerly known as Twitter, to crowdsource an answer. "Does anyone know what is happening here ...

LYNCHBURG, Va. (WSET) — Have you ever seen clouds with a wave-like appearance?Todd Derrenbacker sent this photo to WSET, saying their daughter photo snapped the picture in Lynchburg Wednesday morning ...

They’re a weird sight to see in the sky... if you’re lucky enough to see them. This week, it’s a brief primer on “Kelvin-Helmholtz clouds” or “KH clouds” or “fluctus clouds,” lots of names for the ...

April is the time of year in which the weather goes through frequent ups and downs. In one part of our area, the clouds were doing the same Sunday afternoon. In a rare showing Sunday, Martina Renaud ...

Clouds resembling breaking waves in the ocean are unusual and beautiful, and they've occurred on at least two occasions in recent months in Pacifica, less than 10 miles south of San Francisco, ...

MISSOULA, Mont. — Surf's up -- but we’re not talking about water. Think breaking waves in the sky. Recently, Linda Schuff shared a photo with us through Chime In of a unique and puzzling cloud ...

WHIDBEY ISLAND STATION, Wash. — 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 ...

Clouds have many names. There are the most popular cumulus, cirrus and stratus clouds. Then, there are more obscure cloud names like Kelvin-Helmholtz clouds. Kelvin-Helmholtz clouds are also rare, but ...

LOUISVILLE, Ky. (WAVE) - There are many unique cloud formations across our planet, but one that stands out is a Kelvin-Helmholtz cloud. Kelvin-Helmholtz waves are “vertical waves in the air associated ...