WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY
Timelapse footage of iridescence in a wave cloud above a mountain wave rotor cloud. The colours in the high cloud are due to the diffraction of sunlight by the minute water droplets in the standing wave cloud. Rotor clouds roil beneath the higher cloud. Filmed in Colorado, USA, in winter.
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