#hole-punchclouds
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Hole Punch Clouds
At times altocumulus cloud cover is pierced by circular or elongated holes, filled only with the wispiest of virga. These odd holes are known by many names: cavum, fallstreak holes, and hole punch clouds. (Image credit: M. Garrison; research credit: A. Heymsfield et al. 2010 and A. Heymsfield et al. 2011; via NASA Earth Observatory) Read the full article
#airplanes#atmosphericscience#cloudformation#clouds#fluiddynamics#freezing#hole-punchclouds#physics#science#supercooling
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