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Thread: Contrails and Moisture in Atmosphere?
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Old Apr 6, 2006 | 7:38 am
  #8  
BigLar
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Originally Posted by PHLDividends
However, if the upper atmosphere is nearly saturated, then an addition of a little moisture from a jet's exhaust will bring the upper atmosphere to its dew point (100-percent saturation) and a long and lasting contrail will form.
What about the contrails formed at the wingtips? I've seen these very often.
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