Strange Contrail
Taken by Kevin Palmer on November 24, 2016 @ Pryor Mountains, Montana, USA
Click photo for larger image
Exposure Time: 1/500
Aperture: f/9.0
ISO: 100
Date Taken: 2016:11:25 11:40:19
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I was on a Thanksgiving day hike when I looked up and noticed this strange contrail, in the shape of a sine wave. Luckily I had my camera ready with a telephoto lens so I was able to capture it before it faded away. I could tell upper level winds were strong this day because of the presence of lenticular clouds earlier in the morning. But I didnt know it was possible for the winds to have this effect on a contrail. This was seen from the Pryor Mountains in south central Montana.
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The pilot says, Wheeeee!
Posted by oregonrandy 2016-11-25 12:59:18
It looks to me as if the pilot was performing aerobatic maneuvers with a smoke trail. The trail on the right looks like the pilot performed a loop. So...probably not from the wind.

Very cool image!
Posted by dob 2016-11-26 19:18:35
20 thumbs up
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