1980 - NBC - Contrails can change the weather

A classic 1980 news report on how contrails create cloud cover, which has an effect on the weather.
Aired on 12/30/1980
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Eestist

                                                         13.06.2011 Virtsu-Kuivastu

13.06.2011 Virtsu-Kuivastu

                                                          

                                                                 Tartu 12.06.2011

Tavalised lennukijäljed (contrailid) ei saa muutuda pilvedeks

Blogi pea aastatagune postitus, mida tasub korrata:

Contrails cannot form into clouds
http://chemtrail-ee.blogspot.com/2010/07/contrails-cannot-form-into-clouds.html

Tähtsad lõigud tekstis olevast foorumi teemalingist:

So, what it boils down to, is that on a clear day, it's very, very unlikely that a contrail would form, let alone persist.
And I've already shown that NASA said it is impossible for clouds to form from contrails.

Background: Military planners have been interested in condensation trail (contrail) forecasts since World War II. Contrails can make any aircraft easy to locate by enemy forces, and no amount of modern stealth technology can hide an aircraft if it leaves a persistent contrail in its wake. In 1953, a scientist named H. Appleman published a chart that can be used to determine when a jet airplane would or would not produce a contrail. For many years, the US Air Force Global Weather Center used a similar chart to make contrail forecasts.

How to find out if they are spraying above your head.
There are parameters for a contrail to form.
The temp must be colder than -38C.
The Humidity level must be above 55%
The warmer it is, the more humidity needed
to form a contrail.
I've made a chart using the Appleman Chart,
and the parameter set by NASA

below 55%, contrails will not form, according to NASA.
above -38C, contrails will not form.

Atmospheric Soundings
http://weather.uwyo.edu/upperair/sounding.html

... It is obvious, based on the chart from NASA that contrails, let alone persistent contrails, cannot form at above -38C or below 55% relative humidity. If the sky is clear, it is impossible for a contrail to form, let alone persist. If you see a trail in the middle of summer at 5000 feet, just above your head it can only be logically assumed that it is not water vapor. I am sure you are capable of searching YouTube for "chemtrails clear sky" or "chemtrails summer". I am not sure, however, that you understand how to read the Appleman Chart still in use by NASA and the USAF, which predicts no contrails to 98% accuracy. Arguing over and demanding independent chemical analysis is moot when you can use basic known science to come to a clear conclusion. It is now painfully obvious there is a spraying infrastructure in place. They can put whatever they want in it and don't have to answer any questions. Does that not concern you?
Why do our kids need to be taught contrail education here or be subliminally programmed here?

Rohkem tekstilõike / More quotes:

Contrails cannot form into clouds

http://www.clubconspiracy.com/forum/f30/contrails-cannot-form-into-clouds-proof-6218.html

How to find out if they are spraying above your head. There are parameters for a contrail to form.
The temp must be colder than -38C. The Humidity level must be above 55%
The warmer it is, the more humidity needed to form a contrail.

below 55%, contrails will not form, according to NASA.
above -38C, contrails will not form.




Atmospheric Soundings.
Satellite Meteorology. Methods for retrieval of atmospheric temperature and humidity profiles.
http://weather.uwyo.edu/upperair/sounding.html


Predicting Contrails Using an Appleman Chart [Student]
Background: Military planners have been interested in condensation trail (contrail) forecasts since World War II. Contrails can make any aircraft easy to locate by enemy forces, and no amount of modern stealth technology can hide an aircraft if it leaves a persistent contrail in its wake. In 1953, a scientist named H. Appleman published a chart that can be used to determine when a jet airplane would or would not produce a contrail. For many years, the US Air Force Global Weather Center used a similar chart to make contrail forecasts.