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That's why contrails don't show up on water vapor satellite images.
Cirrus clouds generally refer to atmospheric clouds that are characterized by thin, wisplike strands, often accompanied by tufts, leading to their common (non-standard) name of mare's tail. Sometimes these clouds are so extensive that they are virtually indistinguishable from one another, forming a sheet of cirrus called cirrostratus.
Sometimes convection at high altitudes produces another form of cirrus called cirrocumulus, a pattern of small cloud tufts which include droplets of supercooled water.
Many cirrus clouds produce hair like filaments made of the heavier ice crystals that precipitate from them. These "fall streaks", a form of virga, often indicate the difference in the motion of air (wind shear) between the upper part of the cirrus cloud and the air below it. Sometimes the top of the cirrus cloud is moving rapidly above a slower layer of air, or the streak is falling into a faster moving lower layer. The directions of these winds can also vary...
Originally posted by Udontknowme
Good one. I get it now. They are intentionally polluting the skies, but don't worry, cause it's just water vapor.
That's why contrails don't show up on water vapor satellite images.
Weedwhacker you did 'suggest'/'imply' there being a difference in the older planes to the newer ones.......... You did imply that was the reason for the trails.
Originally posted by sanchoearlyjones
Yes, I spend a lot of time in Central, and South America. Yes, they have a lot of jets over head. Yes, they have lots of rain; which should indicate humidity present in the air...commonly.
tropics
The area between 23.5 degrees north and south of the equator. This region has small daily and seasonal changes in temperature, but great seasonal changes in precipitation.
At an average temperature of -56.5° Celsius, the top of the troposphere is reached. At the upper edge of the troposphere is a narrow transition zone known as the tropopause
I don't even understand...
Originally posted by sanchoearlyjones
reply to post by Phage
OMG!!!! Your so with it! Of course, the "highlands" don't reach that temp. Good catch. That would be sooooo cold.
I don't even understand where your coming from actually. Here:
At an average temperature of -56.5° Celsius, the top of the troposphere is reached. At the upper edge of the troposphere is a narrow transition zone known as the tropopause
I think that says that contrails can occur everywhere. It helps point out the difference. Contrails come, and go, and chemtrails stay. chemtrails=bad, contrails= not a problem
Originally posted by sanchoearlyjones
Why can the approximate times of chemtrails be observed, based off of rain? Not humid days alone, but days when weather fronts are moving in? I've encountered more than one person who's noticed around 3 to 4 days before it rains the planes are up there spraying.
I don't claim to understand everything, but why do the chemtrails not form everywhere? Why in years have they NEVER been in America Central?
Originally posted by sanchoearlyjones
reply to post by OzWeatherman
Der der der der der, U B smat!!! I think I made it clear, but storm front/weather front won't have days of clouds before hand. Again, why the set number of days before hand?
Der, der der der der der, Oh, and why not comment re: why not in America Central for example............now before you say no planes, there are plenty. Same planes from the states.