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I have a friend who has a degree in aerospace engineering and served in the military for over 20 years flying planes. Here's his response;
Well, contrails don't normally originate from the ground and continue all the way up. If that were the case then we would see this kind of thing all the time trailing behind airplanes. "Contrails", or "condensation trails" occur when the moisture content and air tempurature are at the proper conditions such that when an aircraft passes through that air mass, condensation is initiatied because the air is cooled while it speeds up over the wing surface. In essence, the aircraft is high enough and the air quality is such that the air craft gives that final boost to make it's own clouds. I cannot think of a time where I have seen an aircraft make it's own contrail at a low altitude so I am very skeptical that an aircraft was the culprit of this. But I suppose that it MAY be possible.
Well, contrails don't normally originate from the ground and continue all the way up. If that were the case then we would see this kind of thing all the time trailing behind airplanes. "Contrails", or "condensation trails" occur when the moisture content and air tempurature are at the proper conditions such that when an aircraft passes through that air mass, condensation is initiatied because the air is cooled while it speeds up over the wing surface. In essence, the aircraft is high enough and the air quality is such that the air craft gives that final boost to make it's own clouds. I cannot think of a time where I have seen an aircraft make it's own contrail at a low altitude so I am very skeptical that an aircraft was the culprit of this. But I suppose that it MAY be possible.