Topic: Contrails in the Sky
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Answers to Common Questions
What's with all the contrails in the sky?
It means the atmospheric conditions are right for forming contrails. Cool weather, high relative humidity, and lots of jets just going about their business. There are always more jets by the metropolitan areas because they have the larger a... Read More »
Source: http://answers.yahoo.com/question/index?qid=20080410100816AAeDGBS
What airplanes make contrails in the skies?
They all do. It's water vapor that freezes into ice crystals. No different than car exhaust on a cold day. Read More »
Source: http://answers.yahoo.com/question/index?qid=20120507220303AAt6pcq
What are the rectangular patterns of contrails in the sky?
Could be many things, depending on where you are in the world. If you're living under the crossing of two airways, that's not that surprising. ... or perhaps you're near a military base and they're practicing search and rescue or carpet-bom... Read More »
Source: http://answers.yahoo.com/question/index?qid=20101024125338AAOVsE8
More Common Questions
Answers to Other Common Questions
If you look at any sky scenes, all the jet contrails are tire marks... ...MORE...
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Source: http://www.chacha.com/question/what-is-special-about-the-jet-cont...
The persistence of contrails depends entirely upon weather conditions. Contrails are essentially just clouds, and conditions that favor the formation and persistence of clouds also favor the formation and persistence of contrails. In very d...
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Source: http://answers.yahoo.com/question/index?qid=20101127210744AA6fJsh
It depends on the weather. Cold, humid air favors the formation of visible condensation trails; warm, dry air does not. In standard atmospheric conditions, aircraft above about 26,000 feet in altitude will produce contrails. Depending on th...
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Source: http://answers.yahoo.com/question/index?qid=20100928125224AA5GUS8
i've really seen contrails after a HIND on one humid day. and i mean contrails, not the vapour spirals from the main rotor. apart from that.. assume a five nautical miles to be an "average" for the airliner cruising altitude. given its elev...
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Source: http://answers.yahoo.com/question/index?qid=20111026194422AAeXhNq
What you are seeing is the water vapor from the exhaust. It just simply takes a while for the wind to disperse it.
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Source: http://answers.yahoo.com/question/index?qid=20080415060335AAisspz
temperature isn't consistent at a certain altitude all the time.( various factors can influence high alt temp, wind for one, geographic location, etc) airplanes can change altitude without you noticing an airplane at 25.000 feet and one at ...
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Source: http://answers.yahoo.com/question/index?qid=20080906152356AArCMqo
Contrails last anywhe...
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Source: http://www.chacha.com/question/how-long-do-contrails%2C-or-vapor-...
