Giant Fallstreak hole (hole punch cloud) over Normandy
Taken by AstroGuigeek on February 12, 2015 @
Normandy, France
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Camera Used: Unavailable Unavailable
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Details:
Initially, the main part of the cloud was made by a plane trail.
But it has also been mixed with a cirrus cloud.
This kind of cloud is not usual because it needs some specific atmospheric conditions to occur.
In this case, the temperature inside the cloud was below freezing but the water droplets were liquid yet.
In this image, we can see that a plane passed through the cloud. Consequently the pressure decreased and allowed droplets solidifying.
The size of the Fallstreak cloud was very impressive. I needed to make a composite picture to have it whole because it does not pulled in a 18 mm frame !
This picture was taken exactly at 16:41 UTC.
Details : Canon T3i, 18-55 mm lens
Photographer's website:
No URL provided.
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