It caught my eye.

[Roger Samuels]

[Michael Lerch]

Roger,,Yes, not an ordinary formation. You have contrails in the sky, I venture ,what appears to be a comb for bad hair days is a section of contrail the winds are blowing to the left. Further down, closer to the sun and horizon, winds are pushing clouds and contrail in the same direction.

[Roger Samuels]

I am new member to the society and have much to learn. I’m amazed and what the Sky gives and have been a fan for what I can remember of my 62 years on the planet.  I see what your saying they are not really clouds, alas I found it most interesting. Perhaps I should join a contrail group? or better yet a chemtrail group ha ha.

[George Preoteasa]

An asymmetric vertebratus, nicely framed.

I don’t know what to think about contrails. Sometimes when I look at the sky I have a feeling a lot of the cirrus clouds come from contrails. Sometimes it’s nice to have them, sometimes it’s too much.

[Howard Brown]

Your blue is even more intense in this one, Roger. I am no photographer, but my guess from this picture is that you are, and you have a good eye; I look forward to future pics from you.

As for those groups, I said recently I am not in favour of them; chuck ’em all in here. The CAS did ask members, several years ago, what they thought of contrails and I suggested earlier this year I would like to see the results again, or the question re-run, but I got no reaction. Contrails are clouds, though, are they not, perhaps akin to fumulus? I saw one recently which looked as though it was linearly twisted – can that be?

I don’t really understand Tags (e.g. your ‘What are they?’). If you ever find a use for them I would be interested to know.

 

[Michael Lerch]

Haa! The Contrail question..maybe once a year I find them inspirational..okay, maybe twice a year. They do let me know the moisture content way up there. Long tail= high moisture compared to short tail,,which is telling for  real cirrus. George has a point: its getting difficult to separate contrail from cirrus. I have certainly observed a whole sky taken over by contrail spred…and believe too many zeeny arcs are the result of contrail. But, like a certain  president elect, they are there, deal with it…Twisted ? Yes,,now on to the contrail..,,heres me dealing with it…..

 

 

[Hans Stocker]

Contrails, I see a lot of them living in the neighborhood of an airport. Indeed sometimes difficult to separate from cirrus. Here is one on fire (no photoshopping).

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