Your thoughts on chem trails?

Speedofsound · May 30, 2016

Just to Clarify: First of all, commercial airliners and business jets do not really burn JP-5, they burn Jet-A which has a different composition and flash point. JP-5 is a military grade fuel used primarily for military aircraft.

Secondly, contrails do not have to do much at all with the fuel burned other than creating a difference in temperature from the air coming out of the engine and the ambient temperature typically at 30k + feet and sometimes lower, depending on atmospheric conditions. What you see which are the contrails is the condensation formed. Why some last and some don't? That has to do with the temperatures at those altitudes and they vary widely depending on the weather systems.

What's shown in this picture is an B777 taking off, yes, of course there's pollution and carbon footprint since it's an engine creating combustion, but these are not contrails created out of condensation. The airliner depicted here has new generation turbofan engines and more efficient than for example a military B-52 which has much less efficient turbojet engines. However, the "chemtrails" conspiracy theory inherently has nothing to do with the pollution created by jet engines around the world out of their normal combustion; but all to do with stupid and senseless assumptions based in unrealistic arguments.

BeyondET · May 30, 2016

Speedofsound said:

Just to Clarify: First of all, commercial airliners and business jets do not really burn JP-5, they burn Jet-A which has a different composition and flash point. JP-5 is a military grade fuel used primarily for military aircraft.

Secondly, contrails do not have to do much at all with the fuel burned other than creating a difference in temperature from the air coming out of the engine and the ambient temperature typically at 30k + feet and sometimes lower, depending on atmospheric conditions. What you see which are the contrails is the condensation formed. Why some last and some don't? That has to do with the temperatures at those altitudes and they vary widely depending on the weather systems.

What's shown in this picture is an B777 taking off, yes, of course there's pollution and carbon footprint since it's an engine creating combustion, but these are not contrails created out of condensation. The airliner depicted here has new generation turbofan engines and more efficient than for example a military B-52 which has much less efficient turbojet engines. However, the "chemtrails" conspiracy theory inherently has nothing to do with the pollution created by jet engines around the world out of their normal combustion; but all to do with stupid and senseless assumptions based in unrealistic arguments.

huh good post thanks for the info I'm not a fully knowledgeable on different types of jet fuel though I assume their all from oil I guess though I could be wrong on that too lol.. I agree on the condensation thing it's about temperature change and I assume these fuel byproducts are mixed in with the condensation we see in the sky.

Speedofsound · May 30, 2016

BeyondET said:

Yes all Jet Fuels are oil byproducts and they're basically different varieties of kerosenes. But just to put things in perspective; I can see the article you posted has a lot of alarming misinformation and hype to deviate attention to trivial things. Yes of course it pollutes, but it's not "killing".
You know what is really killing? It serves us enough to google the second leading cause of death in the US which is something almost nobody talks about; and this is iatrogentric damage, which means medical malpractice in general terms, what's been done about it? nothing at all...

Also this claim "premature deaths from all airline emissions.". Is completely unfounded. Premature deaths vary in cause and it is more factible to die from the emissions of 500 diesel burning trucks a day passing by your closest interstate than for the airplanes flying over you in my opinion.

BeyondET · May 30, 2016

Speedofsound said:

I do agree that 10,000 annually world wide may be low compared to the leading causes of death though non the less it's happening.. what I found quite alarming is the deaths do to diarrhea six on the list... I think these below are daily accounts.

[h=1]Top 20 Causes of Mortality Throughout the World[/h]

[TABLE="class: sgmltable"]
[TR]
[TH="align: center"] [/TH]
[TH="align: left"] [/TH]
[TH="colspan: 2, align: center"]All countries[/TH]
[/TR]
[TR]
[TH="align: center"]Rank[/TH]
[TH="align: left"]Cause[/TH]
[TH="align: center"]Total deaths (in thousands)[/TH]
[TH="align: center"]% of total[/TH]
[/TR]
[TR]
[TD="align: center"]1.[/TD]
[TD="align: left"]Ischaemic heart disease[/TD]
[TD="align: center"]7,208[/TD]
[TD="align: center"]12.6%[/TD]
[/TR]
[TR]
[TD="align: center"]2.[/TD]
[TD="align: left"]Cerebrovascular disease[/TD]
[TD="align: center"]5,509[/TD]
[TD="align: center"]9.7[/TD]
[/TR]
[TR]
[TD="align: center"]3.[/TD]
[TD="align: left"]Lower respiratory infections[/TD]
[TD="align: center"]3,884[/TD]
[TD="align: center"]6.8[/TD]
[/TR]
[TR]
[TD="align: center"]4.[/TD]
[TD="align: left"]HIV/AIDS[/TD]
[TD="align: center"]2,777[/TD]
[TD="align: center"]4.9[/TD]
[/TR]
[TR]
[TD="align: center"]5.[/TD]
[TD="align: left"]Chronic obstructive pulmonary disease[/TD]
[TD="align: center"]2,748[/TD]
[TD="align: center"]4.8[/TD]
[/TR]
[TR]
[TD="align: center"]6.[/TD]
[TD="align: left"]Diarrheal diseases[/TD]
[TD="align: center"]1,798[/TD]
[TD="align: center"]3.2[/TD]
[/TR]
[TR]
[TD="align: center"]7.[/TD]
[TD="align: left"]Tuberculosis[/TD]
[TD="align: center"]1,566[/TD]
[TD="align: center"]2.7[/TD]
[/TR]
[TR]
[TD="align: center"]8.[/TD]
[TD="align: left"]Malaria[/TD]
[TD="align: center"]1,272[/TD]
[TD="align: center"]2.2[/TD]
[/TR]
[TR]
[TD="align: center"]9.[/TD]
[TD="align: left"]Cancer of trachea/bronchus/lung[/TD]
[TD="align: center"]1,243[/TD]
[TD="align: center"]2.2[/TD]
[/TR]
[TR]
[TD="align: center"]10.[/TD]
[TD="align: left"]Road traffic accidents[/TD]
[TD="align: center"]1,192[/TD]
[TD="align: center"]2.1%[/TD]
[/TR]
[TR]
[TD="align: center"]11.[/TD]
[TD="align: left"]Childhood Diseases[/TD]
[TD="align: center"]1,124[/TD]
[TD="align: center"]2.0[/TD]
[/TR]
[TR]
[TD="align: center"]12.[/TD]
[TD="align: left"]Other unintentional injuries[/TD]
[TD="align: center"]923[/TD]
[TD="align: center"]1.6[/TD]
[/TR]
[TR]
[TD="align: center"]13.[/TD]
[TD="align: left"]Hypertensive heart disease[/TD]
[TD="align: center"]911[/TD]
[TD="align: center"]1.6[/TD]
[/TR]
[TR]
[TD="align: center"]14.[/TD]
[TD="align: left"]Self-inflicted[/TD]
[TD="align: center"]873[/TD]
[TD="align: center"]1.5[/TD]
[/TR]
[TR]
[TD="align: center"]15.[/TD]
[TD="align: left"]Stomach cancer[/TD]
[TD="align: center"]850[/TD]
[TD="align: center"]1.5[/TD]
[/TR]
[TR]
[TD="align: center"]16.[/TD]
[TD="align: left"]Cirrhosis of the liver[/TD]
[TD="align: center"]786[/TD]
[TD="align: center"]1.4[/TD]
[/TR]
[TR]
[TD="align: center"]17.[/TD]
[TD="align: left"]Nephritis/nephrosis[/TD]
[TD="align: center"]677[/TD]
[TD="align: center"]1.2[/TD]
[/TR]
[TR]
[TD="align: center"]18.[/TD]
[TD="align: left"]Colon/rectum cancer[/TD]
[TD="align: center"]622[/TD]
[TD="align: center"]1.1[/TD]
[/TR]
[TR]
[TD="align: center"][/TD]
[TD="align: left"][/TD]
[TD="align: center"][/TD]
[TD="align: center"][/TD]
[/TR]
[TR]
[TD="align: center"][/TD]
[TD="align: left"][/TD]
[TD="align: center"][/TD]
[TD="align: center"][/TD]
[/TR]
[/TABLE]

The World Health Organization (WHO).

Sinnerman · May 30, 2016

"Chemtrails" Don't Exist and Idiots Are Really Easy to Fool[h=1][/h]

Have you ever run into someone so stupid that you just had to play a prank on them? Welcome to the life of meteorologists who have to deal with "chemtrailers," or the people who falsely believe that airplanes are spraying chemicals because DA GUBMINT wants to kill you.

Some people are so amazingly stupid it's a wonder how they're able to function. Read more Read more
If you've interacted with enough people online or in person, you'll know that there is a large and growing number of woefully ignorant people who believe that the contrails left behind by airplanes are really "chemtrails," or long streams of chemicals sprayed from airplanes to control the weather, make us sick, control our minds, and other nefarious schemes.
Well, as with all conspiracy theorists, chemtrailers won't take science for an answer. The true explanation behind contrails — the warm, moist jet exhaust meeting the extremely cold air of the upper-atmosphere and condensing into a thin cirrus cloud — is just the World Government's smoke-and-mirrors to deceive the population from The Truth.

Do you know how to get rid of these super real chemtrails? Vinegar, of course. If you spray vinegar at the sky, it will magically ascend 30,000 feet in minutes to break up hundreds of square miles worth of clouds. Totally true.

The groupies come in swarms. They religiously follow the people who tell them what they want to hear. If you blaspheme against their Truthtelling, they will come after you like a pack of pissed off hornets.

Take my friend Jacob Wycoff, for example. He's a meteorologist who gained infamy in the chemtrail circles for actually standing up to them when they harass and issue vague threats of injury and death on social media for daring to speak against The Truth.
When it became clear that he couldn't shake the loonies, he decided to start having fun with them.

Yesterday afternoon, he posted a picture of an airplane cockpit where a pilot decided to have a little fun and put a "chemtrail" sticker above one of the switches. Wycoff posted it to his Facebook page and the conspiracy theorists fell for it hook, line, and sinker. It was glorious.

Of course, where there are idiots, there's money to be made. One of the biggest lines that conspiracy theorists use is that anyone arguing against The Truth they peddle is a "paid shill" by whatever enemy they're combating. I've been called a paid shill for the government so many times that I'm starting to wonder if I qualify for federal health benefits.

Well, running a conspiracy comes at a price, and the ones trying to speak actual science aren't the ones sitting on stacks.

The folks who dupe gullible people into believing the chemtrail hogwash are making bank off of their gullibility. The owner of a page called "Wake Up America" bought a new telescope off of the ad revenue he got when Wycoff told someone to "Google birth control" when she told him to "Google geoengineering."
Dutchsinse, a popular YouTuber who peddles weather control conspiracy theories, has almost 100,000 subscribers and regularly gets tens of thousands of hits on his videos. The owner of a website formerly known as The Weather Space also pushed weather control conspiracy theories, and his followers ranked in the six digits and raked in some serious ad money. A group called "chemdefense" even sells something called EnviroShield dietary supplements, reportedly designed to protect you from the effects of the evil chemtrails.
The chemtrail conspiracy theory is a strong profit machine for the theory's leaders, and it will continue to be as long as they manage to trick people into believing anti-science.
No matter how much you try to argue with the chemtrail believers, it won't work. A child will steadfastly believe in Santa Claus until he realizes that Santa's handwriting is the same as his mom's.
But man is it fun to mess with them in the meantime.

"Chemtrails" Don't Exist and Idiots Are Really Easy to Fool

Sinnerman · May 30, 2016

Why I Write About (and Debunk) the Chemtrail Conspiracy Theory

Why I Write About (and Debunk) the Chemtrail Conspiracy Theory

In 2003, Barbra Streisand frantically tried to censor pictures of her home in Malibu after someone posted them online. In 2003, millions of people saw pictures of Barbra Streisand's home in Malibu. In what became known as the Streisand effect, attempts to suppress information about something usually backfires and leads to even more publicity for the supposedly secret thing.
There is a strong argument in the weather community that we should ignore the growing number of people who sincerely believe that there is a worldwide governmental conspiracy to control the weather through, among other means, "chemtrails." Bringing attention to their cause, one may argue, only helps to attract more attention and thereby more adherents to this particular brand of anti-science.
While that is probably true for a small number of people, ignoring the conspiracy theorists only makes them scream louder for attention through the Streisand Effect. The best way to remedy a situation isn't to bottle it up and pretend that it isn't happening, but rather to shine light on it and expose the silliness for what it really is.

If you're not familiar with the chemtrail conspiracy theory, let me fill you in real quick. The thin, wispy clouds left behind by high-flying aircraft are known as contrails, short for condensation trails. These clouds are left behind as a result of the warm, moist exhaust of the plane's engines meeting the extremely cold temperatures of the upper atmosphere. It's a similar principle behind why you can see your breath on cold mornings.
Sponsored

Contrails appear and disappear based on the moisture content of the air through which the plane is passing. If the upper atmospheric air is moist, the plane will leave a contrail that could last hours and spread out into a deck of cirrus. If the air is extremely dry, it might not leave a contrail at all.
Since about the mid-1990s, there's a subset of people who believe that these contrails are really chemtrails, or trails of vaporized chemicals being sprayed into the atmosphere by aircraft that are really flying around with with tanks full of chemicals rather than passengers. These alleged chemtrails are the work of any number of groups: governments, companies, Jews, you name it. The ultimate goal differs depending on whom you ask, but the two biggest strains of thought are that the chemtrails exist to control the weather or make the populace sick.
For most people with a basic level of science education, the idea is absurd, but the conspiracy theorists truly believe that these chemicals are being sprayed to control the weather, make the population sick, or partake in other "geoengineering" activities.

***

Back to the theorists themselves. Take last week's post on chemtrails, for example. It attracted a good bit of attention in the conspiracy circles, and quite a bit of ire directed towards me. Most of it is innocuous, with the typical name calling and impassioned cries of "you're a shill and you're wrong, we have the real truth!"

Underneath the vitriol, you can sense that there's something...wrong, for lack of a better way to put it. For the most part these are not the rantings of people who have mental health issues or who are angry or have an agenda, but rather they are scared. They truly, deeply believe that there are people spraying us from above, and they are scared.
When you're scared, you only accept what you want to hear from people. When the nurse tells you that the needle won't hurt, you smile because that's what you want to hear even though you know it's going to hurt anyway. The conspiracy theorists don't want to hear that their fears are irrational. They want a noble soothsayer to tell them that they're not buying into a bunch of manure and that somehow, someway, it's going to be all right because they have the truth.

***
Education isn't the United States' strong suit right now. Kids are given a passing grade based on their ability to more accurately guess the correct answer on a multiple-choice exam than their classmates. Given the things I've heard even college students say, I am not at all surprised that people fall for anti-science. It's human nature to want to be informational hipsters — we've got to know exclusive information to which nobody else is privy. Look at Jenny McCarthy and her ridiculous anti-vaccine campaign. "Vaccines gave my kid autism!" No it didn't, but your Reign of Stupid is bringing us back to the early 1900s with the resurgence of completely preventable diseases.
The fact that people would risk their child's life because a Hollywood personality told them vaccines are bad is mind-boggling, so it's not too much of a shock that people would fall for the hucksters telling you that Delta Flight 840 direct to Mobile is spraying the skies with toxic, weather-controlling, mind-altering, immune-system-killing chemicals.

***
While we're on the topic of education, it would serve my point well to address and debunk some of the more popular myths and misconceptions surrounding contrails.

THEORY: The abundance of high-flying aircraft producing contrails in patterns over major cities proves the existence of chemtrails.
FACT: Major cities have major airports that serve as major navigational checkpoints on flight paths, especially large aviation centers such as New York City or Atlanta or Amsterdam.
Airplanes follow predetermined flight routes that help air traffic controllers guide the planes to their destination safely. When airplanes are flying at high altitude in lines that frequently cross or parallel one another (see eastern North Carolina or St. Louis on the map above), they're going to leave a pattern of contrails in the sky if conditions are right for them to form.
[HR][/HR][h=3]More today than ever before![/h]THEORY: The sky has more contrails in it today than ever before!
FACT: That's true. As more airlines take flight and more flights take off, there will be more opportunities for contrails to form. There are definitely more flights today than there were in, say, 1972, so the opportunity for aircraft to produce contrails is much higher now than it was a few decades ago.
[HR][/HR][h=3]They're NEW![/h]
THEORY: Contrails didn't exist when I was a kid. This is a new phenomenon!

FACT: Unless you're 100 years old, you were just an unobservant little kid. Contrails were there, just not as many as there are now. It's a simple case of not noticing something until you're suddenly aware of it. Case in point: you didn't think about how much you blink until I wrote this sentence. Now try not to think about it.
[HR][/HR][h=3]They fill the sky![/h]THEORY: Contrails can take a blue sky and fill it with a thin deck of upper-level cirrus by the evening.
FACT: That can be true in certain circumstances, too. One of the big arguments of chemtrail theorists is that there never used to be "persistent" contrails like there are today. On days with high upper-level humidity, condensation trails can stick around for quite a while, and depending on the winds, they can spread out into a deck of cirrus. That's always been the case. It's nothing new.
[HR][/HR][h=3]Cloud Seeding![/h]Cloud seeding is a real activity carried out by different groups and governments since the middle of the 20th century. The ultimate goal of cloud seeding is to trigger precipitation, with goals ranging from "just to see if we can do it" to "preventing hurricanes from growing into monsters."
Precipitation forms and falls when water vapor condenses and collects on a nucleus, forming a droplet of water or ice crystal. When the water or ice becomes too heavy to remain suspended in the cloud, it falls as precipitation. The idea behind cloud seeding is to sprinkle nuclei into the cloud to hasten and enhance the process. The main ingredient used in cloud seeding is a powdery substance called silver iodide, and it's used because it has a "very, very close" molecular resemblance to the structure of ice crystals, which makes it highly effective for use as a nucleus to spark precipitation.
As explained in the above linked Scientific American article, cloud seeding has had limited success but scientists haven't been able to get it to work on a large scale or put it to use widely yet.
Chemtrail conspiracy theorists use cloud seeding as irrefutable proof that all of their theories are valid, because "look! they're doing it here, so obviously they're doing it everywhere and with other chemicals, too!" That's a huge logical fallacy, but it's their main fallback and argument, so they stick to it until the bitter end.

[h=3]No contrails on the ground proves they're chemtrails![/h]THEORY: If contrails are produced by hot engine exhaust on cold days, and they don't happen on cold days at major airports, it proves that they're really chemtrails.
FACT: Nope. In extremely cold Arctic climates, aircraft are known to produce condensation trails at ground level when they take off or land. It just doesn't get cold enough at the surface in most places on earth for it happen.

Aside from providing forecasts and life-threatening warnings, the ultimate goal of people who convey weather information to the public is to increase their audience's understanding of how the weather works and how a rainstorm in Arizona can be interesting to and even affect someone who lives in Virginia. My goal on The Vane is to make the weather interesting to readers while making the science behind phenomena like supercell thunderstorms and why Lake Ontario wouldn't freeze over this winter accessible to casual readers who might not care about the weather at all.
When anti-science is allowed to grow and fester in the minds of people who don't have a baseline understanding of science or who are extremely gullible, it has a negative effect on society. As I pointed out above with the anti-vaccination movement, it's not just weather control conspiracies that can do serious harm to people. In my experience, when conspiracy theorists are in for a penny, they go in for a pound. Many chemtrail believers also think that HAARP helps to control the weather, and that vaccinations cause autism, and that 9/11 was an inside job, and so on.
It's incumbent upon meteorologists and those who actually understand how the weather works to educate people and help combat the misinformation and anti-science when it rears its ugly head. That's why I write about this conspiracy theory so often. It's stuff that needs to be said.

BeyondET · May 30, 2016

Huh going for the juggler are you gees...

BeyondET · May 30, 2016

Sinnerman said:

Why I Write About (and Debunk) the Chemtrail Conspiracy Theory

Why I Write About (and Debunk) the Chemtrail Conspiracy Theory

In 2003, Barbra Streisand frantically tried to censor pictures of her home in Malibu after someone posted them online. In 2003, millions of people saw pictures of Barbra Streisand's home in Malibu. In what became known as the Streisand effect, attempts to suppress information about something usually backfires and leads to even more publicity for the supposedly secret thing.
There is a strong argument in the weather community that we should ignore the growing number of people who sincerely believe that there is a worldwide governmental conspiracy to control the weather through, among other means, "chemtrails." Bringing attention to their cause, one may argue, only helps to attract more attention and thereby more adherents to this particular brand of anti-science.
While that is probably true for a small number of people, ignoring the conspiracy theorists only makes them scream louder for attention through the Streisand Effect. The best way to remedy a situation isn't to bottle it up and pretend that it isn't happening, but rather to shine light on it and expose the silliness for what it really is.

If you're not familiar with the chemtrail conspiracy theory, let me fill you in real quick. The thin, wispy clouds left behind by high-flying aircraft are known as contrails, short for condensation trails. These clouds are left behind as a result of the warm, moist exhaust of the plane's engines meeting the extremely cold temperatures of the upper atmosphere. It's a similar principle behind why you can see your breath on cold mornings.
Sponsored

Contrails appear and disappear based on the moisture content of the air through which the plane is passing. If the upper atmospheric air is moist, the plane will leave a contrail that could last hours and spread out into a deck of cirrus. If the air is extremely dry, it might not leave a contrail at all.
Since about the mid-1990s, there's a subset of people who believe that these contrails are really chemtrails, or trails of vaporized chemicals being sprayed into the atmosphere by aircraft that are really flying around with with tanks full of chemicals rather than passengers. These alleged chemtrails are the work of any number of groups: governments, companies, Jews, you name it. The ultimate goal differs depending on whom you ask, but the two biggest strains of thought are that the chemtrails exist to control the weather or make the populace sick.
For most people with a basic level of science education, the idea is absurd, but the conspiracy theorists truly believe that these chemicals are being sprayed to control the weather, make the population sick, or partake in other "geoengineering" activities.

***

Back to the theorists themselves. Take last week's post on chemtrails, for example. It attracted a good bit of attention in the conspiracy circles, and quite a bit of ire directed towards me. Most of it is innocuous, with the typical name calling and impassioned cries of "you're a shill and you're wrong, we have the real truth!"

Underneath the vitriol, you can sense that there's something...wrong, for lack of a better way to put it. For the most part these are not the rantings of people who have mental health issues or who are angry or have an agenda, but rather they are scared. They truly, deeply believe that there are people spraying us from above, and they are scared.
When you're scared, you only accept what you want to hear from people. When the nurse tells you that the needle won't hurt, you smile because that's what you want to hear even though you know it's going to hurt anyway. The conspiracy theorists don't want to hear that their fears are irrational. They want a noble soothsayer to tell them that they're not buying into a bunch of manure and that somehow, someway, it's going to be all right because they have the truth.

***
Education isn't the United States' strong suit right now. Kids are given a passing grade based on their ability to more accurately guess the correct answer on a multiple-choice exam than their classmates. Given the things I've heard even college students say, I am not at all surprised that people fall for anti-science. It's human nature to want to be informational hipsters — we've got to know exclusive information to which nobody else is privy. Look at Jenny McCarthy and her ridiculous anti-vaccine campaign. "Vaccines gave my kid autism!" No it didn't, but your Reign of Stupid is bringing us back to the early 1900s with the resurgence of completely preventable diseases.
The fact that people would risk their child's life because a Hollywood personality told them vaccines are bad is mind-boggling, so it's not too much of a shock that people would fall for the hucksters telling you that Delta Flight 840 direct to Mobile is spraying the skies with toxic, weather-controlling, mind-altering, immune-system-killing chemicals.

***
While we're on the topic of education, it would serve my point well to address and debunk some of the more popular myths and misconceptions surrounding contrails.

THEORY: The abundance of high-flying aircraft producing contrails in patterns over major cities proves the existence of chemtrails.
FACT: Major cities have major airports that serve as major navigational checkpoints on flight paths, especially large aviation centers such as New York City or Atlanta or Amsterdam.
Airplanes follow predetermined flight routes that help air traffic controllers guide the planes to their destination safely. When airplanes are flying at high altitude in lines that frequently cross or parallel one another (see eastern North Carolina or St. Louis on the map above), they're going to leave a pattern of contrails in the sky if conditions are right for them to form.
[HR][/HR]More today than ever before!

THEORY: The sky has more contrails in it today than ever before!
FACT: That's true. As more airlines take flight and more flights take off, there will be more opportunities for contrails to form. There are definitely more flights today than there were in, say, 1972, so the opportunity for aircraft to produce contrails is much higher now than it was a few decades ago.
[HR][/HR]They're NEW!

THEORY: Contrails didn't exist when I was a kid. This is a new phenomenon!

FACT: Unless you're 100 years old, you were just an unobservant little kid. Contrails were there, just not as many as there are now. It's a simple case of not noticing something until you're suddenly aware of it. Case in point: you didn't think about how much you blink until I wrote this sentence. Now try not to think about it.
[HR][/HR]They fill the sky!

THEORY: Contrails can take a blue sky and fill it with a thin deck of upper-level cirrus by the evening.
FACT: That can be true in certain circumstances, too. One of the big arguments of chemtrail theorists is that there never used to be "persistent" contrails like there are today. On days with high upper-level humidity, condensation trails can stick around for quite a while, and depending on the winds, they can spread out into a deck of cirrus. That's always been the case. It's nothing new.
[HR][/HR]Cloud Seeding!

Cloud seeding is a real activity carried out by different groups and governments since the middle of the 20th century. The ultimate goal of cloud seeding is to trigger precipitation, with goals ranging from "just to see if we can do it" to "preventing hurricanes from growing into monsters."
Precipitation forms and falls when water vapor condenses and collects on a nucleus, forming a droplet of water or ice crystal. When the water or ice becomes too heavy to remain suspended in the cloud, it falls as precipitation. The idea behind cloud seeding is to sprinkle nuclei into the cloud to hasten and enhance the process. The main ingredient used in cloud seeding is a powdery substance called silver iodide, and it's used because it has a "very, very close" molecular resemblance to the structure of ice crystals, which makes it highly effective for use as a nucleus to spark precipitation.
As explained in the above linked Scientific American article, cloud seeding has had limited success but scientists haven't been able to get it to work on a large scale or put it to use widely yet.
Chemtrail conspiracy theorists use cloud seeding as irrefutable proof that all of their theories are valid, because "look! they're doing it here, so obviously they're doing it everywhere and with other chemicals, too!" That's a huge logical fallacy, but it's their main fallback and argument, so they stick to it until the bitter end.

No contrails on the ground proves they're chemtrails!

THEORY: If contrails are produced by hot engine exhaust on cold days, and they don't happen on cold days at major airports, it proves that they're really chemtrails.
FACT: Nope. In extremely cold Arctic climates, aircraft are known to produce condensation trails at ground level when they take off or land. It just doesn't get cold enough at the surface in most places on earth for it happen.

Aside from providing forecasts and life-threatening warnings, the ultimate goal of people who convey weather information to the public is to increase their audience's understanding of how the weather works and how a rainstorm in Arizona can be interesting to and even affect someone who lives in Virginia. My goal on The Vane is to make the weather interesting to readers while making the science behind phenomena like supercell thunderstorms and why Lake Ontario wouldn't freeze over this winter accessible to casual readers who might not care about the weather at all.
When anti-science is allowed to grow and fester in the minds of people who don't have a baseline understanding of science or who are extremely gullible, it has a negative effect on society. As I pointed out above with the anti-vaccination movement, it's not just weather control conspiracies that can do serious harm to people. In my experience, when conspiracy theorists are in for a penny, they go in for a pound. Many chemtrail believers also think that HAARP helps to control the weather, and that vaccinations cause autism, and that 9/11 was an inside job, and so on.
It's incumbent upon meteorologists and those who actually understand how the weather works to educate people and help combat the misinformation and anti-science when it rears its ugly head. That's why I write about this conspiracy theory so often. It's stuff that needs to be said.

huh Barbra Streisand is your ace in the hole lol.. To funny man
im not sure what kind of conspiracy to call this stuff your posting its bazaar..

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