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 ...

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 ...

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.

A rainbow cloud can occur because of something called cloud iridescence. It usually happens in altocumulus, cirrocumulus, lenticular and cirrus clouds.

What created these rainbow clouds in the Quad Cities. The unique, colorful clouds filled our skies on Wednesday. Here's how they form. To stream News 8 on your phone, you need the News 8 app.

Nacreous clouds also known as polar stratospheric clouds have been appearing across northern skies. We've rounded up some of the best photos of these rare 'rainbow clouds'.

Rainbow clouds are most visible when the sun lies between 1º and 6º below the horizon, the Met Office says, and are usually found at higher latitudes, including northern Canada.

Known as mother-of-pearl clouds due to their iridescent rainbow sheen, polar stratospheric clouds are a rare atmospheric phenomenon that form under extremely cold temperatures—below minus 108 ...

These rare rainbow clouds are usually only spotted a handful of times. Most of the time, sightings come in January. Seeing them in December, as an extremely cold wave passes through the area, ...

A spectacular movement of rainbow-colored clouds has been spotted in the skies above Scotland. The rare view was captured near Nairn Beach on Christmas Eve, shortly after sunrise around 9 a.m ...