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originally posted by: FightingBuddha
a reply to: payt69
Sections 3.1 through 3.2 of that paper refer to their own personal use of the research craft to not only measue and analyze the trails, but to form them(explained in greater detail in 4.1). As I replied before, it is not a reasonable assumption that all contrails are as represented in the studies, and in particular the study you posted.
Unfortunately, as I do not own a plane, or spectrometer or hygrometer or lidar, I won't be able to analyze persistent contrails anytime soon. But from personal observations of patterned persistent contrails over roughly the same area of land, at roughly the same time, (central Florida, USA, in between 5 and 7 am, I'll happily provide pictures at the next occurance) I can infer that SOME form of intentional contrail formation is occuring.
Also, it seems thay your steadfast resolve to mantain your question of "can contrails persist, and why or why not?" has somewhat deteriorated to you questioning whether or not I (or others) have proof of pervasive chemicals being present in such conditions. I might suggest posting another thread so as not to detract from the main point of this one, less it get to convoluted.
originally posted by: alienscot1
a reply to: waynos
I have piloted small aircraft and was a member of the Air Force in my younger days, yes I do know what happens at airports. I also know what can happen surreptitiously if you think it couldn't happen, believe me you are mistaken. I am not saying that it has, I have no need to know as it were.
I know that weather and solar radiation was trying to be controlled and various methods were being tried and tested.
originally posted by: payt69
originally posted by: FightingBuddha
a reply to: payt69
Sections 3.1 through 3.2 of that paper refer to their own personal use of the research craft to not only measue and analyze the trails, but to form them(explained in greater detail in 4.1). As I replied before, it is not a reasonable assumption that all contrails are as represented in the studies, and in particular the study you posted.
Of course you can't sample every single contrail. However we CAN conclude from studies like these that the behaviour of the trails corresponds with contrail behaviour.
If you think that there's still something added to those trails, then we need evidence for that something, and as far as I'm aware, there isn't any. If you think there is, then please feel free to provide it.
Unfortunately, as I do not own a plane, or spectrometer or hygrometer or lidar, I won't be able to analyze persistent contrails anytime soon. But from personal observations of patterned persistent contrails over roughly the same area of land, at roughly the same time, (central Florida, USA, in between 5 and 7 am, I'll happily provide pictures at the next occurance) I can infer that SOME form of intentional contrail formation is occuring.
What do you find strange about patterns? You are aware that there are some 100.000 flights a day flying all over the world, and that those flights are regulated in air routes? I'd be surprised if there wouldn't be patterns showing up, frankly.
Also, it seems thay your steadfast resolve to mantain your question of "can contrails persist, and why or why not?" has somewhat deteriorated to you questioning whether or not I (or others) have proof of pervasive chemicals being present in such conditions. I might suggest posting another thread so as not to detract from the main point of this one, less it get to convoluted.
Well I tried but not a single chemtrail believer seems willing/capable of answering the question. Instead they think I'm baiting them by asking the most fundamental question.
But of course YOU are free to answer it any time you see fit. Even if you do believe that contrails can and do persist, it's interesting to see why you think so
the first known pics of persistent contrails is WW2 1943
originally posted by: Abinkadoo
a reply to: mrthumpy
I did Google them. But where's the factual data than can definitely deny the claims that they exist? Comparing a cloud to something that's just unknown speculation, you can't really do in my eyes.
Trust me, I don't want to believe in this situation at all. Knowing how much is hidden from public eye, what would cause a person to not have a doubt?
What I'd really like to know is when the trails first popped up compared to when cirrus clouds were discovered. I don't really recall seeing these pre-2000. Now the sky is littered.
originally posted by: FightingBuddha
a reply to: payt69
I've got to hand it to you, you are very logical and seem to have all your ducks in a row.
As for the first part of your response, I concede that most likely in my lifetime I will not be able to provide evidence of anything being up there that isn't supposed to be. But, my theorizing is hinged on eccentric flight patterns that you question in the second part of your reply.
I live in a special part of Florida, right on the coast, dead center. Think Cape Canaveral. Persistent contrails are formed in relatively percise conditions, as pointed out in the study you cited. My main issue is that, where I am located in Florida, I see series of parallel contrails that originate from the interior of the state and terminate mysteriously off shore. You would imagine that if the conditions for these contrails to be formed have been met, they would not suddenly terminate, in series, over the ocean.
My other issue is placements of airports relative to the patterns I observe. There is OIA. Then two in Texas that could possibly contribute to what I observe. Then two in Mexico, possibly three that are latitudaly correlated to the patterns I ovserve. These patterns include a series of at least 6 parallel contrails persisting in relatively the same form (state of contrail deterioration based on conditions and/or wond shear) for roughly the same amount of time headed due East, from the West. To me that entails 6 airplanes launching from at least 4 airports to synchronously join and fly through roughly the same altitude for approximate amounts of times at parallel headings. That's considering they are all the type of planes that actually form those trails at those altitudes, as it has been demonstrated that new Airbuses are able to form them, while older 707's - 757's do not, as an example.
Shoot maybe I am crazy amd just see patterns, but I find it hard to believe that all thise things can fall into place to produce what I see.
I promise I will personally PM you an image next time this occurs, so you can judge for yourself whether or not to believe my observations instead relying solely on my standpoint.
As for the do they and how question, it's textbook and I am not one to argue with science.
And OP,
originally posted by: waynos
a reply to: neutronflux
To look at the same argument another way. Using the same methods used for calculating how much a cloud weighs, calculate the weight of a contrail 100ft wide and 100 miles long (both conservative figures) and compare that with the capacity of any aircraft you like. It's a fun game, but chemmies don't like to play it.