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Hereward Fenton

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Contrails dissipate quickly whereas chemtrails linger?

13 May 2012
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By Hereward Fenton

Categories: [ Chemtrails ]

Contrails over London in 1944

Vapour trails left by British bombers on route to attack flying-bomb sites encircle the dome of St. Paul's Cathedral. London, 1944.

All those who passionately believe that "contrails dissipate quickly" whereas "chemtrails linger" and are deeply offended by the sceptical position that TNRA takes in regard to these claims, are free to "unlike" Truth News.

If, on the other hand, you would like to engage in rational debate, you're most welcome to do so.

However, please be advised that the information I have to impart may be shocking and difficult to grasp if you have been a "chemtrail alarmist" for a long time.

The often cited claim that "normal contrails dissipate quickly" is total bunkum.

There is not a shred of science to backup that claim.  Nothing, nada, zippo!

Those who promote this idea are simply repeating something they read on a web page without checking sources.


 

CONTRAIL SCIENCE

For a contrail to form, suitable conditions must occur immediately behind a jet engine in the expanding engine exhaust plume. A contrail will form if, as the exhaust gases cool and mix with surrounding air, the humidity becomes high enough (or, equivalently, the air temperature becomes low enough) for liquid water to condense on particles and form liquid droplets. If the local air is cold enough, these newly formed droplets then freeze and form ice particles that make up a contrail.

Because the basic processes are very well understood, contrail formation for a given aircraft flight can be accurately predicted if atmospheric temperature and humidity conditions are known.

After the initial formation of ice, a contrail evolves in one of two ways. If the humidity is low, the contrail will be short-lived. Newly formed ice particles will quickly evaporate. The resulting contrail will extend only a short distance behind the aircraft. If the humidity is high, the contrail will be persistent. Newly formed ice particles will continue to grow in size by taking water from the surrounding atmosphere. The resulting line-shaped contrail extends for large distances behind an aircraft. Persistent contrails can last for hours while growing to several kilometers in width and 200 to 400 meters in height. Contrails spread because of air turbulence created by the passage of aircraft, differences in wind speed along the flight track, and possibly through effects of solar heating.

Thus, the surrounding atmosphere’s conditions determine to a large extent whether or not a contrail will form after an aircraft’s passage, and how it evolves. Other factors that influence contrail formation include engine fuel efficiency, which affects the amount of heat and water emitted in the exhaust plume.
- source

TNRA is informed by science and is not interested in propping up anyone's belief systems, and we don't apologise for that.

But, please, don't take it from me, speak to any meteorologist or any pilot and they'll tell you straight, that there is HUGE variation in the length and persistence of contrails. Sometimes they don't form at all, other times they form, but disspate quickly, other times they persist and spread out.

That's the facts folks, and it's been that way since planes first went up in the sky.

If you believe otherwise, I'm afraid you've been conned.

Forgive me if I seem rude or impatient on this topic, but every few months I come across a new wave of people who have been subjected to the same false propaganda about chemtrails, and I have to run the same arguments and cite the same articles over and over again. It does wear one's patience down.

Before making some kind of angry reply, I urge you to read this article and associated links. It's fairly detailed, and deals with most of the usual claims made by chemtrail alarmists.

Finally, let me qualify all this by saying that I do not doubt that geo-engineering programs exist, and that, indeed, some of the patented techniques discussed at international forums  include the creation of artificial cirrus cloud. Does this, however, entitle you to conclude that every spreading contrail you see is an example of such geo-engineering?

Think about it.

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Comments

Please review the Terms of Service before reading or responding to comments.

And if you don’t believe Google, check out Wikipedia and you can see there also that chemtrails are a conspiracy theory.

By Wayne Hall on 2012 08 02 - 20:13:50

you are right, it is not possible to turn contrails on and off.

The accepted explanation is that the atmosphere is far from homogenous; this includes humidity. Contrails need a high (relative) humidity - if a plane is leaving an area with high humidity, the contrail will stop in the dry air.

lol - accepted explanation? show me where what you say has been proven beyond all reasonable doubt - that what you say is in fact ‘the accepted explanation’anywhere.

i agree - and didnt need you to explain to me - that contrails are indeed subject to certain atmospheric conditions, but that doesnt explain why i can witness planes flying with what i consider normal contrails, and on the same day, at the same time, others flying around with totally abnormal contrails, chemtrails, being switched on and off.

where i live, hundreds of miles inland..semi arid - we have quite stable weather for days on end.. totally cloud free for days at a time, except for days when they are spraying..  ive watched a perfectly clear sky, turn completely “overcast” entirely from what has come out of the back of planes flying over.. on more than one occasion.

you are in no position to tell me what i am or am not seeing,  i trust my intellectual integrity more than your unsubstantiated unqualified opinions, while slightly amusing, they are far from anything close to resembling any sort accepted anything.

quite frankly, nothing you say is news, or informative, it is merely a regurgitation of the official spin that has been an inadequate explanation for years now, for a growing number of concerned people all over the world. if you cant offer anything of substance, it does beg the question as to why you bother saying anything at all, because plainly, people with concerns find your unqualified opinions, severely lacking.

http://www.youtube.com/watch?feature=player_embedded&v=t-TRVNeRXHI

 

By Skywatcher on 2012 08 03 - 10:16:30

part two is equally as edifying
http://www.youtube.com/watch?v=AxC0lyggMN8&feature=relmfu

i would disregard as ignorant at best, and disingenuous at worst, any attempt to claim that what is depicted in those videos, to be what anyone would consider normal contrail behavior under any circumstances.

By Skywatcher on 2012 08 03 - 12:28:22

Skywatcher,

to see just how variable the atmosphere can be, have a look at the daily measurements made by weather balloons.

Example from today in Amarillo, TX:
http://weather.unisys.com/upper_air/skew/ua_sound.php?type=no&city=kama&region=sp&t=cur&expanddiv=hide_bar

The relative humidity is represented by the leftmost white line which is jumping right and left like crazy in the current diagram (may be historic by the time you watch it, try “-12” to see the previous diagram).
BTW, it also shows that the temperature in 36000 feet (10500 m) altitude is around -30 deg. Celsius. Note that it is summer in Texas.

Do you really believe that your explanation of broken trails (On/Off switch for spraying of unknown substance) is better than mine? Proven beyond doubt?

What would you accept as evidence that my explanation is closer to reality than yours? I’m really interested.

Regarding trails and weather change to “overcast”: the explanation is that the influx of humid air favours the creation of trails. So it’s simply the other way round: the trails are a consequence of weather change, not the cause. Not plausible?

By Josh on 2012 08 04 - 01:03:34

Skywatcher don’t you think that a better policy would be to talk ABOUT Josh rather than WITH him?

After all, what we are interested in investigating is what is being proposed and what is being done in the name of weather modification and geoengineering, is it not?

What is the purpose of endlessly going over the same ground in the same red herring discussion that was launched as a diversion so many many years ago by the same people who decided to embark upon these world-destroying programmes?

Perhaps there is a lesson to be learned from what I have seen openly proposed in writing here in Greece in some Orthodox churches as the way to deal with Jehovah’s Witnesses. They say that discussion with Jehovah’s witnesses should always be public and in front of a group, the purpose being of course to make use of group dynamics, because Jehovah’s witnesses like getting people separated from their reference group and love one-to-one discussions. Group dynamics make it possible to talk about the proselytiser rather than with him.

Many years ago, when chemtrails were something new, and chemtrails debunkers were more numerous, they themselves often made use of group dynamics and worked in aggressive packs on discussion forums. But these times are (perhaps) long past. It is quite a while since I have met anyone who wants to say off the internet the things that Josh is still interested in saying on the internet.

Of course it you wish to keep on arguing these same points again and again go ahead.  I have more or less said what I have to say and I don’t wish to be disruptive or try to monopolize the discussion. But really….......

By Wayne Hall on 2012 08 04 - 04:20:19

yes Wayne, i understand your point, but as this is an internet forum, it is in fact quite public anyway, i think if i address either you or josh here, it makes little difference, the same people will still read what it is i have to say. besides, i do enjoy it smile

if i understand you correctly, youre of the opinion that its not worth trying to differentiate between contrails and chemtrails, and that particular argument was part of the controlled dissent to help thwart any debate on geo engineering in general? - as an easy straw man to be knocked down? -

thats an easily understood point, but in my opinion, as a layman, theres nothing i find easier to understand than what my own eyes are telling me, and if it was indeed their intent for the difference between contrail and chemtrail to be used as a red herring, i think it may have backfired on them, because clearly, to me anyway, people uploading videos of whats going on around them, makes a powerful case of obvious spraying i think.

recent government admissions of geo engineering and the current reporting of such, leaves them with not much of leg to stand on now anyway, and personally i think videos that show abnormal trails just adds more weight to the fact that its not unreasonable to ask what is in fact going on, if people can see and understand what is happening right above them, it might cause them to act with a little more purpose than reading about general weather modification going on elsewhere.

i know full well the methods people like josh use to obfuscate discussions with mis information, disinformation and extraneous minutia, pretending to be a qualified expert on every aspect, as if his opinion alone is the only one worth any consideration.. as far as bully tactics are concerned, i dont see josh as much of a threat in that regard, and i welcome it as an opportunity for scorn and derision.

while i agree that it is pointless to engage in joshs circle jerk tactics, to the point that it would ever change his mind, thats not my intent, i just dont think it hurts the call for investigation at all to keep repeating the salient points, for the benefit of anyone else who may have the misfortune to stumble across this blog.

i think ive clearly made my point, to most who read this, even if josh struggles, that his banal unqualified opinion can not be taken as definitive proof of anything, nor does anything he say remove the growing credible reasonable doubt as more and more people are looking up and realising something is just not right.

im sure i also explained that the only evidence i would be happy with concerning spraying, weather modification, geo engineering, is a verdict beyond all reasonable doubt, after a properly convened transparent independent unfettered expert investigation has concluded, after examining all evidence.

not being as au fait with all aspects of weather modification and geo engineering as you seem to be, i can only argue what i know, but i dont think saying i dont believe what im seeing are normal contrails as i understand them, and that what ive witnessed causes me concern, lessens your method of argument at all.

so with that in mind, to simply repeat a point for benefit of the lumpen josh: i would disregard as ignorant at best, and disingenuous at worst, any attempt to claim that what is depicted in those videos, to be what anyone would consider normal contrail behavior under any circumstances.

if you struggle so much with basic english comprehension, i suggest you seek the guidance of a suitably qualified 12 year old who has successfully passed their primary education.

/scorn /derision smile

By Skywatcher on 2012 08 04 - 07:36:08

http://farmwars.info/?p=8970

By Wayne Hall on 2012 08 04 - 11:35:00

http://farmwars.info/?p=8970

By Wayne Hall on 2012 08 04 - 11:36:11

Wayne Hall,

refusing to discuss issues is one thing.
Disrupting an on-topic discussion between others is annother thing.

I call that trolling.

By Josh on 2012 08 05 - 01:44:23

Skywatcher,

let me tell you about my Saturday.

I spent it on our airfield. The cloud display was quite interesting: some altocumulus at first, dissolving when the thermals started and the cumulus clouds started to appear. Later there was a cirrus layer above it all, complete with spreading contrails, short contrails, fall streaks, cirrus uncinus and feathered ones, and at one time even a sun halo. When evening came closer, there were some lenticularis clouds which was a bit surprising.

I also spend an hour or so in a gliding one-seater, circling underneath a cumulus cloud, almost touching it after gaining height in the thermal below it; then I followed a ‘cloud street’ which allowed me to go in a straight line, without the need for circling.

You are not the only skywatcher. Others are doing it too but are not coming to your conclusions.

Discussion will continue in a new post.

By Josh on 2012 08 05 - 02:01:11

Skywatcher,

I don’t see anything sinister in the video you linked, but we were still talking broken contrails - or was it trails over arid lands, trails in cirrus fields or trails of varying persistence in different altitude levels?

Did you have a look at the atmospheric sounding diagrams? What do you think?

The significant variation of humidity depending on the altitude explains that there can be contrails in one level and a total lack of them in annother (close) level.

By Josh on 2012 08 05 - 02:12:36

http://www.youtube.com/watch?v=jjRBVcqPOL4

By Wayne Hall on 2012 08 05 - 13:52:50

Wayne… A word…  The guy who shot that video , I have talked to him, IMHO is a certified nut case. Check out his other videos.. Sylphs, invisible cloaked UFOs which eat chemtrails…. Unmarked silen tmystery aircraft which are anything but. ( I think he actually filmed me in my Yak 18t once claiming I was a ” scout ship”!!!

He is entertaining, but please, if that guy and his “evidence” is the best you have…...

By Mike Glynn on 2012 08 05 - 16:00:37

Well, at least that’s some new and interesting information.

I have written of nutcases: http://www.bluenomore.com/JekyllHyde.html

But it doesn’t explain what is shown in the video.

By Wayne Hall on 2012 08 05 - 16:07:02

By the way, Mike, on the subject of who we have talked to, have you ever talked to Carl Needham, who runs the Blue No More site???  He is a pilot too.  He is a very private person, the exact opposite of an activist. But he is not a nutcase.

By Wayne Hall on 2012 08 05 - 16:23:02

Some more Australian input:
http://media.cigionline.org/geoeng/2009 - Virgoe - International governance of a possible geoengineering intervention to combat climate change.pdf

Do chemtrails activists and climate change sceptics share any common ground that can help us deal with these attitudes, which people can get away with in academia.

Look at the great intellectual Clive Hamilton. He has his knickers in a twist in the face of the geoengineers.

By Wayne Hall on 2012 08 05 - 16:57:54

That should be:
http://media.cigionline.org/geoeng/2009 - Virgoe - International governance of a possible geoengineering intervention to combat climate change.pdf

By Wayne Hall on 2012 08 05 - 17:02:00

Do a copy and paste.

By Wayne Hall on 2012 08 05 - 17:03:24

Speaking of copy/paste,

here is a copy of my post about Carl Needham (see comments page 1).
May save some time for anyone lookin at Wayne Hall’s reference.

———————————————-
Christine,

the link you gave points to a person named Carl Needham. The only hint of him being a pilot is his claim on his Flash-heavy web site: “... thousands of hours of command instrument flying ...”.

You can do this in a single-engine Cessna, flying through Cumulus clouds, but never come even close to the flight levels where commercial jets are cruising. There is no hint of him being a commercial pilot. See his LinkedIn page.

As for his claims, regrettably he is quoting “sources” in his paper which are long debunked inside and out, like Cliff Carnicom, Michael J. Murphy and others. His main point is “[these clouds] can not be satisfactorily explained in terms of either common jet vapour contrails or supersaturated persistent contrails”.

While he does not give any explanation for that claim, it’s worth to note that he is aware of the existence of persisting contrails - which is the whole point of the article on the top.

By Josh on 2012 08 05 - 19:30:34

I don’t know whether or not he is a pilot. I take him at his word. I have spoken to him on the telephone but I didn’t ask him if he is a pilot, any more than I would ask Pat Mooney if the moratorium on geoengineering is being observed or if chemtrails are contrails. People who want to ask these questions can ASK THEM!

By Wayne Hall on 2012 08 05 - 20:03:27

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RECLAIM AUSTRALIA IS DOOMED

Although I agree with many of their ideas, the forces reigned against RAM are too great, violent, statist and reactionary for them to remain a non-political, broad based, multi-ethnic, community protest group for much longer. The Left and their Antifa nihilist fellow travelers are already pushing them towards the extreme Right, by calling them racists and Islamophobes and so on. Whilst the extreme Right have aligned themselves with RAM. With fascists of the Left and Right pressuring them they will not be able to remain beyond the Left-Right divide and will inevitably move to the Right - the extreme Right. Which is already happening. A development which will alienate decent Australians of all ethnic backgrounds many of whom currently support them. 

The RAM leadership have already established open alliances with the Patriotic Front (the ape in the photograph is a Patriot Front supporter at a recent Richmond demonstration) Australia First and Golden Dawn, a Greek neo-Nazi party. Members of these collectivist groups are currently attending RAM demonstrations all over Australia.

There is a real need in Australia to establish a political movement beyond the Left-Right divide and their vested interests, a movement that questions the current direction Australia is heading i.e. the direction the Left/Right and their extremes would like to take it; that questions the efficacy of state sponsored multiculturalism, as opposed to a proper, non-discriminatory immigration policy; that questions the validity of political correctness; that is politically neutral, anti-war and pro environment; that is opposed to all collectivists ideologies (fascisms of the Left and Right); that would dismantle the power pyramids of corporations and banks and their ability to impact on government; that would dissolve all anti-terror laws and all laws that impose on the rights and freedom of the individual and the people.   

(The ape in the photograph is a Patriot Front supporter at a recent Richmond demonstration)

http://www.smh.com.au/nsw/reclaim-australia-rally-set-for-sydney-on-sunday-20150718-gifb9s.html

http://australiafirstparty.net/news/reclaiming-australia-queensland-senate-campaign/

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By Citizen Scorn on 2015 07 19 - 07:33:43
From the entry 'Restore Australia!'.

Without doubt, TNR is one of the best, if not the best alternative news source on the net. Which doesn’t mean Herewood is always right. His job, I believe, is to present the facts as he sees them as an objectively as possible, without fear or favor.  For this, he has my respect and support. But I believe he needs to be careful and to think a little deeper about the problems of “racism,” in Australia. He has labelled the Reclaim Australia Movement as racist. I’m wondering if his objectivity is a little weak on this point, a little without foundation.

Of course all political movements have its fringe groups and individuals. We make a distinction between, for example, a Muslim and a fundamentalist Muslim (Islamist), and by so doing we don’t claim that all Muslims are blood thirsty fanatics. If its good for the Muslims, then its good for RAM, which is bound to attract a few lunatics and real racists. But to brand the entire movement as “racist” is wrong; it is the same ploy that is used by the mainstream media and its left-wing, establishment Marxist boot boys.

One of the first things I noticed when i attended a RAM rally recently were the amount of non-white people in attendance, including Aboriginals. In fact the main banner of RAM contains an Australian flag and an Aboriginal flag. Speakers at their rallies have included Jews, Arabs, Indians, Aboriginals, Chinese and so on. What does this tell you? Is this really a fascist-Nazi-racist movement whose stated aim are the eradication and exclusion of other cultures, in place of some sort of Aussie white Reich, or is this just propaganda that is being propagated by the left for their own political interests. Consequently, we all know where the culmination of their politics have led, historically speaking, which are to the imposition of terror and dictatorships.

We can be thankful for small mercies, in terms of the Left, which today mostly tends to attract collectivists, establishmentarians and the privileged sons and daughters of the upper bourgeoisie, who seems to share one thing in common, nativity….

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Mike Holt from Restore Australia is very much a fake.  He hasn’t even been citizen for but a few years.  But, he makes out like he was born there.  ALSO - this guy spent 30 years in Thailand working shady businesses.  I would wager that his primary purpose in being an activist is that he wants to make money off selling merchandise.

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From the entry 'Restore Australia!'.

good to see you putting out some new shows heraward

freely the banana girl is to a certain extent a troll, as is her boyfriend durian rider. they have been trolling the fitness community on youtube for some time… and yes they are extreme but they are also trolls. They use their trolling to spread their message. currently, another dude called vegangains is trolling the fitness community as well.

i am a vegetarian, and it was seeing this documentary on the pork industry that started me on the vegetarian path. for anyone interested, its pretty off the charts disturbing and its australian as well. its pretty much made by dudes breaking into pork farms and filming what they find

https://www.youtube.com/watch?v=KArL5YjaL5U

Would the world be better if people cared where their food came from? probably, they might then care about other things too

do you become a better person if you dont eat meat? i feel like a better person mainly because animals aren’t being hurt because of me. i dont feel humans have to eat meat really… or at least not much. How can you watch that documentary on pork, know that that is pretty much whats going on and turn a blind eye to it? I think its basic empathy and just saying well ‘i like bacon so yeah’ is in my opinion wrong and i can see freleys point of view to an extent. In my opinion, at least these people believe in something. i see my money as my vote, henceforth im ethical as to what i do with it. free range eggs became mainstream for exactly this reason… although im pretty sure woolies and coles lobbied the state to change the definition of the word ‘free range’ at some point. I dont eat beef because the amount of resources that go into growing a cow are pretty crazy. Think about how much grass that cow needs to eat before it is harvested and how much space it requires. think of how many vegies you could grow in the same space with the same amount of water. lamb? comon, think about what your doing here… but that being said i think most vegans are total loons. People like freeley should be advocating for the destruction of lions and tigers, as lions and tigers murder other animals in truly horrific style. if we humans are smart enough to not harm animals, then we should be stopping the animals that harm other animals from existing. Freeley also kills birds when she flies in aeroplanes so she is a hypocrite.

feminism is one of the biggest problems in society today and although there is some valid historical basis to it, the liberation of the human female from their biology is in my opinion largely a product of the technological advance of humans. sufferagettes where never machine gunned on the streets, unlike the men that where drafted and sent off to war to die just a few years earlier. as technology has advanced, women have advanced as well, however now its going way too far and is pretty blatantly anti male in many respects. i view feminism in its modern context as a tool of the social marxists that really isnt doing society a great deal of good at this time. its screwing up gender dynamics and is wrecking women and men for each other. i see it as low frequency, lowest common denominator idiocy, just like a lot of the the race baiting ‘is this racist’ stuff getting around that is being perpetuated pretty much as a distraction, divide and conquer strategy by the power elite. idiots love this kind of bicker and beef… it would be funny if it wasn’t so serious

anyway

I agree with steven friar. gods a maniac

good show… keep making them

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Really truthfull.

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Stay tuned for more rules here as usually is the case!!!

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