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Jet Contrails, How do we explain these jet contrails?
Hsaive
post Jun 21 2013, 05:02 PM
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From: Gainesville, Fl
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Can anyone describe what is happening here?
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CJEAN
post Jun 29 2013, 02:06 PM
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Hi, Hsaive.

It could be instant humidity made on the top of the wings, by
the low pressure normaly there.

But, it is bizarre how the 2 main bigger trail flows are not behind the engines.
They are quite near the fuselage.

Blue skies.
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Hsaive
post Jun 29 2013, 06:59 PM
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Group: Student Forum Pilot
Posts: 49
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QUOTE (CJEAN @ Jun 29 2013, 02:06 PM) *
Hi, Hsaive.

It could be instant humidity made on the top of the wings, by
the low pressure normaly there.

But, it is bizarre how the 2 main bigger trail flows are not behind the engines.
They are quite near the fuselage.

Blue skies.



Contrary to rumors of “conspiracy theory”, the Department of Defense first published “Chemtrails” in 1990 as the title to a chemistry course for new pilots attending the esteemed US Air Force Academy. The term “Chemtrails”, and its implied meaning was eventually adopted by civilian observers to describe unusual jet contrail emissions. A subsequent edition of “Chemtrails” was published by Kendall/Hunt Publishing Company, ISBN: 0840378246 – May 1992. paperback, 224 pages.
http://wp.me/p2FjTj-1LH
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Hsaive
post Jun 29 2013, 07:06 PM
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Group: Student Forum Pilot
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From: Gainesville, Fl
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Persistent contrail formation above 29,000 feet requires high Relative humidity. Air Force manual says "near saturation". It's obvious from the video both planes are higher than 30k.
These horizon to horizon trails are sprayed at Rel Hum of 20 to 30 % in Arizona and 30 to 40% in Florida.

I documented AIRTRAN from JAX to ATL
http://wp.me/p2FjTj-ps
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