WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY
Timelapse footage of rotors clouds marking mountain lee waves during downslope flow. The clouds are stationary while the wind blows through them, as they mark the peaks of standing waves set up as air moves over the mountains. Snow is blowing off the peaks beneath the evaporating cap cloud. Filmed in Colorado, USA, in winter.
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