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Photo of the Day – 7/25/13 (Hole Punch Cloud)

25 Jul

Daily Photo — “Hole Punch Cloud Over Portland”

Use the photos posted in this feature for writing prompts, warm-up activities, drawing templates or as part of a photo analysis.

“A fallstreak hole, also known as a hole punch cloud, punch hole cloud, skypunch, canal cloud or cloud hole, is a large circular or elliptical gap, that can appear in cirrocumulus or altocumulus clouds. Such holes are formed when the water temperature in the clouds is below freezing but the water has not frozen yet due to the lack of ice nucleation particles (see supercooled water).” (Wikipedia)

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Posted by on July 25, 2013 in Daily Photo

 

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