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Fallstreak Hole

Fallstreak Hole - cloud, hole, rare, sky, weather, water, freeze, vapor, rain
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Wallpaper Description:
Also known as a Skypunch 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 portion of the water does start to freeze it will set off a domino effect, due to the Bergeron process, causing the water vapor around it to freeze and fall to the earth as well. This leaves a large, often circular, hole in the cloud.

It is believed that a disruption in the stability of the cloud layer, such as that caused by a passing jet, may induce the domino process of evaporation which creates the hole. Such clouds are not unique to any one geographic area and have been photographed from many places.

Because of their rarity and unusual appearance, as well as very little exposure in media, fallstreak holes are often mistaken for or attributed to unidentified flying objects.
**Wikipedia**
S-Martian Uploaded by S-Martian on . Fallstreak Hole - Desktop Nexus Nature Download free wallpapers and background images: Fallstreak Hole. Desktop Nexus Nature background ID 1167103. Also known as a Skypunch 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 portion of the water does start to freeze it will set off a domino effect, due to the Bergeron process, causing the water vapor around it to freeze and fall to the earth as well. This leaves a large, often circular, hole in the cloud.

It is believed that a disruption in the stability of the cloud layer, such as that caused by a passing jet, may induce the domino process of evaporation which creates the hole. Such clouds are not unique to any one geographic area and have been photographed from many places.

Because of their rarity and unusual appearance, as well as very little exposure in media, fallstreak holes are often mistaken for or attributed to unidentified flying objects.
**Wikipedia**
Rating: 4.2

Wallpaper Comments (2)

rosarina
Posted by rosarina on 09/06/12 at 09:56 PM
Very nice ! D+1
Whisper2MyHeart2
Posted by Whisper2MyHeart2 on 09/04/12 at 02:13 AM
Fascinating! You learn something new everyday. :)
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Wallpaper Statistics

Total Downloads: 436
Times Favorited: 5
Uploaded By: S-Martian
Date Uploaded: September 04, 2012
Filename: skypunch.jpg
Original Resolution: 1024x768
File Size: 209.61KB
Category: Forces of Nature

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