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Originally posted by Yasuhiko23
It looks like a cloud formation. Just like when u look at one cloud, it can look like a duck.
Originally posted by psilocin
To all the debunkers out there please explain how is it that two different planes flying at the same time have different kind of contrails? One dissapearing right away, another staying in the sky for hours.
Here in chicago you don't need to be a genius to figure it out.
Give me a break.
It's called "flight level separation" which is a fancy way of saying that the planes are flying at diffierent altitudes. Since the temperature and relative humidity of the atmosphere is highly altitude dependent, it doesn't take a genius to figure out why two planes with two different types of contrails can be visible at the same time.
Originally posted by bunkbuster
According to your research, the on/off nature of some of the contrails is due to a plane temporarily leaving the "zone of atmospheric conditions necessary to create contrails", creating the "off" effect, and then re-entering the right zone to create the "on again" effect? Am I following you correctly on this?
Originally posted by bunkbuster
If not altitude change, could this mean perhaps the jet turned off its engines for 2-3 seconds? Is that possible?
Originally posted by bunkbuster
The contrails themselves did not dissipate, however, as they changed altitude - I am assuming they did because of gravity, wind, pressure (and they did get much bigger "looking") - but rather the contrails actually grew into a strange spidery/cirrus cloud-like formation, eventually all blending in with each other to form a cloud cover over the sky.
Do the contrails become something more stable as they "sit" in their "proper atmospheric zone", or does the air pressure hold them "in place" enhancing their continuity?
Originally posted by HowardRoark
When a plane flies though a supersaturated area, the additional moisture output from the engines, plus the addition of soot will trigger the formation of a persistent contrail.
Originally posted by HowardRoark
Persistent contrails are correlated with certain weather phenomena such as increasing cloudiness. That does not mean that contrails are causing the cloudiness, it just means that both phenomena happen at the same time.