Many of our viewers have captured pictures of rainbow clouds and this is actually called cloud iridescence. Meteorologist ...

In the awe-inspiring footage, shot in Haikou city, Hainan, and posted on Aug. 26, the resplendent circle can be seen hovering over a dark cloud like some sort of cosmic shaved ice.

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.

In rainbow clouds, ice crystals act as the prism and create the colors. The reason why rainbow clouds use ice crystals instead of rain is because of where this phenomenon occurs.

According to NOAA, the phenomenon is "relatively rare" and only happens when a cloud is thin and full of water droplets or ice crystals. Rare nacreous clouds, known as rainbow clouds, form in the ...

"The cloud needs to be relatively close to the sun," Hammer says. "The cloud is made of tiny super cooled water droplets or ice crystals which causes light traveling through them to scatter thus ...

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 ...

However, when the stratosphere reaches these lower temperatures, widely spaced water molecules coalesce into tiny ice crystals, forming rainbow clouds. PSCs form over some hilly mountains.

Is that a rainbow cloud?Sky-watchers in Salinas spotted a colorful object in the sky at 1:40 p.m. Friday, and some called KSBW's newsroom to ask, "What is it?"I asked KSBW's lead weather ...

Well these rainbow clouds around Spokane have a few of us wondering how they form and what makes them ... But too much ice crystals will create a cloud that's too thick to allow the rainbow ...

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 ...

This is not your average rainbow.Viewer Mona Edmonds sent WLKY photos of a vibrant rainbow cloud she saw in the Clark County sky.She spotted colorful wonder was spotted on Sunday.WLKY ...