Pileus or scarf clouds form atop a growing, dense, puffy and white cumulus cloud, due to updrafts from a thunderstorm. Jam Press. The rainbow halo is actually an atmospheric optical phenomenon ...

A rainbow cloud is a similar rainbow, halo, sundog, circumhorizontal arc, because it forms due to the diffraction or refraction of light. In 2018, a similar "fire rainbow" was spotted in Vermont.

The phenomena, though, was actually a cloud and not a rainbow. A Pileus cloud, also referred to as a cap cloud and a scarf cloud, was visible in Haikou on August 21.

Nature is magical, and it occasionally allows us to witness its magic. One such video of a rare rainbow pileus (or 'scarf') cloud captured in China's Haikou City is going viral on the social media.

Have you ever seen a rare rainbow cloud? Residents in Scotland were amazed when they spotted this rare phenomenon in the skies this week. Nacrous cloud spotted by BBC Weather Watcher SazzyJ who ...

Video captured in Oak Harbor shows a rainbow-colored swirl in the clouds. The 13 First Alert Weather team said it was likely what is called cloud iridescence.

Rare nacreous clouds, known as rainbow clouds, form in the skies over Tynemouth Priory in the northeast of England on Dec. 21, 2023. Owen Humphreys/PA Images via Getty Images ...

Additional photos of the rainbow clouds were taken by photographer Fredrik Broms, showcasing a colorful series of lights in the sky near Tromsø in Norway.Both sets of photographs can be viewed on ...