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A fallstreak hole, also known as a hole punch cloud, punch hole cloud, skypunch, canal cloud or cloud hole, is a large circular 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). When a ice crystals do form it will set off a domino effect, due to the Bergeron process, causing the water droplets around the crystals to evaporate: this leaves a large, often circular, hole in the cloud.
Monarch
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Hole punch cloud - Desktop Nexus NatureDownload free wallpapers and background images: Hole punch cloud. Desktop Nexus Nature background ID 1213332. A fallstreak hole, also known as a hole punch cloud, punch hole cloud, skypunch, canal cloud or cloud hole, is a large circular 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). When a ice crystals do form it will set off a domino effect, due to the Bergeron process, causing the water droplets around the crystals to evaporate: this leaves a large, often circular, hole in the cloud.4.7
Total Downloads: 794
Times Favorited: 14
Uploaded By: Monarch
Date Uploaded: January 01, 1970
Filename: HolePunchCloud4.jpg
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Category: Forces of Nature
Wallpaper ID: 1213332 
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Total Downloads: 794
Times Favorited: 14
Uploaded By: 
Date Uploaded: January 01, 1970
Filename: HolePunchCloud4.jpg
Original Resolution: N/A
File Size: N/A
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