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The second German sighting occurred on May 9, 1919, when a pilot flying over Berlin at about 26,000 feet noticed the generation of a cloud stream that extended for about forty miles behind his plane. This stream eventually spread out to form a cloud layer that was about 3,000 feet thick. The pilot saw a similar phenomenon two days later.
www.bbc.co.uk... Short contrails do not produce intricate patterns.
A few months later I witnessed the Battle of Britain taking place over my head in the July, August and September 1940. Being in SE London we had a grandstand view of the titanic struggle going on day aftr day with the intricate patterns of the contrails the most evident witness to the dog fights taking place.
So an airplane at great heights leaves behind it, stretching for endless miles, a visible "wake" composed of ice particles so tiny that they do not fall as snow but remain suspended in the air.
Photo taken by Jerry Cole, combat aerialphotographer in the 390th Bomb Group at Framlingham Air Base in England. He is looking for a print from the original negative he shot around January 1944 or before. It shows contrails of P-47's crossing each other in the background and a B-17 in the foreground.
Daily, for example, hundreds of jet planes crisscross the nation or great parts of it, often leaving fluffy contrails of water vapor, manmade clouds, as a signature of their passage.
Some contrails soon dissapate. Others turn into or are soon followed by high cirruse clouds that can and do influence the earth's heat balance with the sun.
The spreading out of jet contrails into extensive cirrus sheets is a familiar sight. Often, when persistent conditions exist from 25,000 to 40,000ft, several long contrails increase in number and gradually merge into an almost solid interlaced sheet.
Henry Wadsworth Hinkle, hired man down on the farm with Uncle Clarence and Aunt Martha, looked skyward a few days ago and was awed by the multiplicity of "vapor trails," as he called them. That's the old name. Now they are called contrails-short for condensation trails-resulting from the condensation of heat flowing from high-flying jet engines.
Source He didn't follow jets, he followed contrails. You can't follow a short contrail.
A 43-year-old novice sailor said today that he followed jet contrails over the Atlantic to help him navigate after his sextant was smashed six days out of Pymouth, England.
Then there is the matter of cloudiness. The familiar contrails often left by high-flying planes might persist for a long time under some conditions.
Often, after several clear days, high flying jets begin leaving condensation trails in the sky. These "contrails" are the result of the condensation of water vapor that accompanies engine combustion at high altitudes.
He occasionally looked out the window at the earth and noted geographical locations. "We're coming over Europe and I've never seen so many jet plane contrails in my life," he reported
Shore was no naïf; he recognized the irony of many of his images. One of the cleverest is "U.S. 97, South of Klamath Falls, Oregon, July 21, 1973," which depicts a desolate spot of road where a billboard displays a snowcapped-mountain scene — against actual mountains in the distance. The billboard image seems to emerge from the land itself. Along with a cattle gate and a sky with blown-out contrails, the billboard is a tired and shabby advertisement for America itself.
After all the irrefutable evidence that has been put out on the web proving beyond doubt that chemicals and metals are being sprayed over us....
Originally posted by dplum517
reply to post by Phage
Sorry, but just as our anecdotal stories apparently don't prove anything. The same goes for your little stories.
They don't prove anything . We live in a digital age..... where anything can be manipulated. Including articles from a magazine 50+ years ago.
Could 'chemtrails' be only......steam?
Steam is the technical term for water vapor, the gaseous phase of water, which is formed when water boils. In common language it is often used to refer to the visible mist of water droplets formed as this water vapor condenses in the presence of cooler air.
Originally posted by TheMindWar
After all the irrefutable evidence that has been put out on the web proving beyond doubt that chemicals and metals are being sprayed over us you still believe it may be steam?
Contrails don't last in the sky for hours.......
......unless it is some kind of a strange engine which puts out thick layers of aluminium and other metals in a super fine powder....
......and contrails don't zig-zag or create giant clouds which appear very thin but foggy.
Originally posted by CrazyRaccoon
Contrails don't last in the sky for hours, unless it is some kind of a strange engine which puts out thick layers of aluminium and other metals in a super fine powder....
and contrails don't zig-zag or create giant clouds which appear very thin but foggy