Uploaded January 2013 | Updated September 2026, 3 weeks ago

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Explorer sailplane over Boulder, Colorado, used by atmospheric scientists to study cloud physics, such as lee wave clouds and thermals.
©UCAR. The National Center for Atmospheric Research is sponsored by the National Science Foundation. Any opinions, findings, and conclusions or recommendations expressed in this video are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.