Pileus Cloud Iridescence, Singapore

   Iridescence in Pileus Cloud imaged by Wong Chee Ming in Singapore. This unenhanced image shows well the delicacy of the colours.

Pileus forms when a layer of moist air is forced upwards by cumulus cloud towering beneath it. The freshly formed pileus droplets have similar sizes and iridesce well.

Image ©Wong Chee Ming.

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