Beautiful Rainbow 'Scarf Cloud' Captured On Video Over China

April 26, 2023

This incredible "rainbow scarf" cloud appeared over China.

According to NASA, it is an iridescent pileus cloud. This phenomenon occurs when a thunderstorm's updraft creates a pileus cloud and the sun's angle interacts with the ice crystals in the pileus cloud. The "scarf cloud" is formed by the cooling and condensation of moist air forced up and over the peak.

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