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Originally posted by expat2368
...I would hope someone would examine that video and see if it is faked...
Originally posted by OzWeatherman
That whats known as a hole punch cloud (or fall streak cloud).
It occurs when ice crystals from high cirrus clouds fall as virga, penetrating a layer of altocumulus cloud below.
Fantastic video that
weatherthings.com...
"A cloud of unusual shape over Moscow. The video was shot at the Moscow Ring Road in moving from Volokolamsky to Novorizhskoe highway.
The phenomenon, which the Muscovites were able to observe in the west of the capital, is due solely to optical effects. So commented issued Vestyami.Ru video specialists Roshydromet.
"The effect of a purely optical, although looks certainly impressive - commented in Roshydromet. - If you look even see his way to sunlight. If you regularly watch the clouds, you can see this, what the most interesting - in different areas the same cloud , one class, which look completely different. It depends on how and when they are formed. In recent days, after Moscow took place a few fronts, and it was an invasion of arctic air from the west the sun lit up - that's what happened. "
Industrial emissions are absolutely nothing to do with, - assured the weather forecasters. - Such effect in such weather, they could not give. If something happens, then the emissions are not collected in the clouds, as it were, in elevated smog. But now in Moscow quite not the type of weather. Smog is formed only when the weather is quiet long, without a hint of precipitation. But in recent days in Moscow blown through everything, all mixed up. So, no smog, and could not be. "
Originally posted by talisman
I wonder if by chance any of this has anything to do with this?
This was just in August 2009 and there are even more recent events happening.
There are some really strange things going on in the sky over Moscow and if you check out that guys channel you will see why very quickly.
This one is not natural in my mind.
[edit on 8-10-2009 by talisman]
Originally posted by OzWeatherman
Originally posted by Sundancer
reply to post by OzWeatherman
I don't know Oz, that doesn't look much like the one you linked.
Nope not at all.
Well like or not, it is a hole punch cloud
Originally posted by Alethea
I disagree Oz. It may have some similar characteristics to punch hole as far as general shape, but the cloud in OP has a luminousity and a uniformity that makes it too different.
What caused the disturbance to begin ? One possible explanation is a jet plane. Visible satellite imagery that day suggested several "hole punch" clouds over both southern Mississippi and Alabama. These coincided with jet contrails.
Click here and you will see a photo of "hole punch" clouds taken in Australia with an airplane contrail nearby. An airplane passing through the mixed cloud layer while ascending or descending would likely disrupt the delicate coexistence between the ice crystals and the supercooled liquid water droplets.
A second possible explanation is that small scale atmospheric vertical motions (both up and down) related to the jet stream brought ice crystals downward into the moist cloud layer, thus effectively 'setting off' the cyclic process described above. One thing is for sure...
Without an ability to directly measure these small scale vertical motions and the quantities of temperature and moisture directly within and adjacent to the actual clouds, we can only speculate on what caused this common but relatively infrequent awesome phenomena to occur !...
photo courtesy of: Gary Beeler, Warning Coordination Meteorologist, National Weather Service Mobile, Alabama
Originally posted by OzWeatherman
Likie I said, believe whatever you want, but at least use some logic to explain why I would be wrong. Just remember I observe clouds for a living to, and if you know something about meteorology which I do not know...please share with us your information