WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY WEATHERVIDEOHD.TV / SCIENCE PHOTO LIBRARY
Timelapse footage of the updraft and downdraft regions of a thunderstorm. The downdraft region is marked by a powerful core of rain and sometimes hail, seen here as dense grey sheets. The updraft region contains warm, moist rising air, and is rain-free. Filmed in Colorado, USA, in summer.
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