Cloud iridescence over Malaysia. Photo: Vicky Wills.

The phenomena was a picturesque display of cloud iridescence

“🌈🌈Pileus☁️☁️ 🌈Cloud iridescence is a colorful optical phenomenon that occurs in a cloud and appears in the general proximity of the Sun or Moon. Time: 2022.08.16 Location: Pu 'er City, Yunnan Province, China Photographer: JiaQi Sun（孫嘉琪）”

The weather phenomenon mother-of-pearl clouds over the Randsfjorden in Hov Søndre Land municipality.

An Iridescent Pileus Cloud over China Yes, but how many dark clouds have a multicolored lining? Pictured, behind this darker cloud, is a pileus iridescent cloud, a group of water droplets that have a uniformly similar size and so together diffract different colors of sunlight by different amounts. The featured image was taken last month in Pu'er, Yunnan Province, China. Also captured were unusual cloud ripples above the pileus cloud. The formation of a rare pileus cloud capping a common…