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

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 ...

Rainbow clouds have been spotted across the U.K. in the past week, ... semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence," the website explains.

That rainbow cloud over Hamilton, Virginia, was not actually a UFO. Skip Navigation. ... semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence," NOAA ...

A vibrant rainbow cloud appeared in the sky, morphing as it rolled over the state. ... “Semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence.” ...

A rare rainbow-coloured cloud amazed residents in Indonesia. Footage shows the vibrant weather phenomenon in neon red, blue, green, yellow, and violet behind dark clouds in the sky in Tidore city ...

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.

St. Louis skies filled with rainbow clouds ahead of Pride celebration. ... "For this reason, semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence." ...

That rainbow cloud over Hamilton, Virginia, was not actually a UFO. Skip Navigation. ... semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence," NOAA ...

A vibrant rainbow cloud appeared in the sky, morphing as it rolled over the state. ... “Semi-transparent clouds or clouds that are just forming are the ones most likely to have iridescence.” ...