SKY FIRE / WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY SKY FIRE / WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY
Timelapse footage of iridescence in mountain wave clouds. The iridescence is seen as a variety of colours in the cloud, caused by sunlight interacting with the minute water droplets in these clouds. The clouds appear to stay in the same place as they form at the crests of standing waves of air set up as the wind blows over mountains. Filmed in Colorado, USA, in winter.
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