PORTLAND, Ore. (KOIN) — An infrequent and rarely visible cloud formation rolled across Portland’s skyline like a set of waves Wednesday morning. KOIN 6 Meteorologist Kelley Bayern reports that the ...

Gravity wave clouds form in wave-like patterns in sky, oftentimes resembling ripples in a body of water from a rock being thrown. These types of clouds are created from air in the atmosphere coming ...

A picture of a cloud formation in Virginia that resembles rolling waves is going viral. Weather experts say this type of cloud formation, which was spotted in over Smith Mountain Lake near Roanoke, is ...

BREVARD COUNTY, Fla. — People waking up on the Space Coast Wednesday morning were treated to a special sight in the sky. The U.S. National Weather Service – Melbourne posted photos taken by off-duty ...

PMD says cloud appeared before sunrise, persisted for approximately 20 minutes and dissipated just prior to sunrise.

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 ...

A rare formation called asperitas clouds appeared over the Santa Barbara Channel in Southern California on Nov. 15. NPS Emily Zivot Channel Islands National Park A rare, wave-like cloud formation ...

Odd cloud formations, known as undulatus asperatus, appear to wave across the sky over Mount Halla in the city of Jeju on South Korea's largest island of the same name on May 5, 2025. (Yonhap) (END) ...

LOUISVILLE, Ky. (WAVE) - Cirrus clouds are thin, wispy, high-level clouds that resemble cotton candy threads. While ice crystals make up cirrus clouds, some of the driest and hottest parts of our ...

A formation of clouds that appeared above the Palouse on May 26 is so rare that it was only officially named five years ago. Resembling dark, choppy ocean waves, asperitas, meaning “roughness” in ...