A Rippled Distrail Near Las Vegas June 17 2016

Could the cleared areas correspond to pendules from the contrail dropping down into the cloud layer? The spacing looks about right.
 
The distal part is quite similar to some previous observations:


Distrail Over the Hague
November 10, 2004

Provided by: René_Rijswijk
Summary authors & editors: Jim Foster; René_Rijswijk

The above photo showing a most impressive jet distrail was taken over The Hague, Netherlands on October 21, 2004. Dissipation trails or distrails are the counterpart to contrails (condensation trails). The heat of combustion of jet aircraft fuel, released into the path swept by the jet, may actually evaporate clouds, as long as they aren't too dense. Whereas contrails require very cold temperatures, at least -40 C, to form, distrails can form in relatively warm, low clouds consisting of water droplets, or in thin supercooled middle clouds. Distrails may appear like linear "footprints" crossing the sky, as is the case here, but only on occasion are they this vivid.
Content from External Source
http://epod.usra.edu/blog/2004/11/distrail-over-the-hague.html


Distrail (dissipation Trail) Bubbles
Taken by Zoltán Kuli on December 29, 2013 @ Mátra hill, Hungary

Details:

The bubbles were formed from a negative contrail (distrail), few minutes after a plane flew through the supercooled cloud.
Content from External Source
http://spaceweathergallery.com/indiv_upload.php?upload_id=92290

Having browsed the results of a google image search, I think these bubbles could be an early stage of opening a distrail. It would be interesting to see a video of the distrail formation.
 
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