WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY
Timelapse footage of the development of a thunderstorm, from cumulus clouds showing strong updrafts to the mature stage with a high-level anvil, and the onset of rain-filled downdrafts. The intense low-level inflow region is marked by small cumulus clouds. Filmed in Colorado, USA, in summer.
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