But few are fortunate enough to see Kelvin-Helmholtz clouds, which look like a pattern of ocean waves in the sky. Kelvin-Helmholtz ... to appear around sunrise or sunset, which is when lower ...

If you ever see these clouds for yourself, it will most likely be close to sunset or sunrise when the ... This is the same phenomenon that causes ocean waves or ripples in your pool; the ...

Jess Thomson is a Newsweek Science Reporter based in London UK. Her focus is reporting on science, technology and healthcare. She has covered weird animal behavior, space news and the impacts of ...

But close to sunset, the clouds begin to take on their ... Her research interests span high-latitude clouds, ocean-atmosphere coupled processes, large-scale atmospheric circulation and the long ...

"The clouds were visible in the sky all day, but the colors really exploded just before sunset." The PSCs were caused by a prolonged period of unusually cold temperatures in the sky, according to ...

This process creates the classic shelf cloud—broad, arching, and often layered like a stack of waves in the sky. One of the reasons shelf clouds are so visually stunning is because of wind shear ...

It shows the wave clouds around the Crozet Islands in the south Indian Ocean The image has been cropped and enhanced to improve contrast, and lens artifacts have been removed. More Provided by the ...

In the sunshine, it seemed even warmer, and although many clouds shared the sky, they did not seem to ... a blazing spectacle of a sunset. It was a warm enough day, with an official high afternoon ...

Hundreds of sky watchers took to social media Thursday evening to share pictures of the remarkable sunset over the nation ... Stratocumulus clouds were present; observations from Reagan National ...