WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY
Timelapse footage of mammatus and virga on the underside of the anvil of a thundercloud. Mammatus are small pouch-shaped pockets of cloud that hang beneath the anvil. Virga is precipitation that evaporated before reaching the ground. Filmed in Colorado, USA, in autumn.
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