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It is heartwarming to read the kind words you wrote, Keelin. I feel proud.
And thanks for the repost of ‘A Big Sky Shot Over Phoenix’, Michael. I would not have liked to miss it. For some reason I can see ‘Mostly Grey Sunset’ twice now, while you apparently thought the first post disappeared (?). I like the play of crossing lines in it very much.
I agree with Michael that ‘Could Be From The Sea’ by Keelin seems to look at us. It is a very mysterious and intriguing scenery and I can keep looking at it puzzling about all kind of things that come to mind.
And memory of Sand Dune beaches, … oh the dreams…. I could not help thinking of Little Nemo in Slumberland.
So thank you both Keelin and Michael for these fantastic new pictures. What a lot to enjoy! When I look back from the moment Michael started the first Black And White Thread until now at (already) post 70 of Volume II, I could not imagine the richness of all these inspiring views on the sky. It may sound cliché but this is really what it is to me. So let’s continue to amaze each other!
And Let The Wind Blow Back Your Hair
Yes, Django’s music is also layered and has contrasts like on your picture, Michael.
I wrote about a weekend with great skies. Here under an example.
It is definitely the swimming goat Keelin, I can see him clearly. So thank you for this unexpected but also very funny come-back!
Snowy Mountains
Nice sunset with crepescular rays crossing other lines, Michael. Thanks about the Crow. Weird isn’t it?
Yes the site behaves different being logged in or not. Refresh after being logged in is still necessary. I know it is a problem caused by the caching mechanism, and I know that the issue will be solved, but also that it will take some time. In the meantime it is indeed some bouncing around, but when you know that you must be logged in, it makes things easier.
I posted a reaction to you topic “In memory of” at the same time I posted my latest contribution to this thread, but it got lost to my surprise. I was rather puzzled by your topic and could not found any information about the memorized man named Calb Endmonson, until I realized what date you posted the topic. Googling on nuclear art I found some really weird pictures taken in the Nevada desert. This one is made under more safe circumstances above my house.
No Nuclear Art But Maybe A Culliflower
And after I posted my own ripples the Ripples of deLight appeaered on the thread, but the forum did not show my last update on the overview…… caching problems I suppose.
This is strange. The last contribution to this thread must be from Keelin, but I can’t see it in the thread itself. I found out that the post of Keelin can be found by going to the user profile of Keelin and then choosing for “Replies Created”. The last reply shows Ripples of deLight. A very beautiful scenery and a very applicable title as well, unfortunately not visible in this thread (yet?). Maybe this issue is related to the log-in problem Keelin refers to?
Fanning out Ripples
Where Every Day Is An Occasion, there are also be days that offer more occasions than usual . Spring has showed up over here and last weekend we had some beautiful days with intriguing sweepy whimsical cirrus, lacunosus, undulations (oye!) and others. That gives great picture opportunities and I was able to gather some for future use in this thread. Even some mamma in cirrus spissatus (see Mammatus thread) was there to be seen.
And when spring has come there will be also …
Tadpoles
To all: nice spottings! It is interesting to read about the circumstances mamma develops. The sequence Michael posted is intriguing. Last weekend I spotted some mamma but in a rather unusual setting (I think). Only cirrus clouded the sky and a lot of contrail. It was mainly sunny and a spring-warm day due to a anticyclone that dominated the weather. Beside the frail cirrus structures also larger patches of Cirrus spissatus showed and to my surprise there was this mamma underneath.
close up
Well, this spiral cloud is certainly peculiar. I am just guessing but it might be contrail. The combination of winds or lack of winds with induced vortices by the airplane – as in the case of the vortex Crow instability – might give this spiral appearance.
Nice pictures anyway, especially the first one.
It is not a von Karman vortex street I think. This should be V.C.I., vortex crow instability. Googling on this you will find examples like the first picture. I did not find examples on the internet of these perfectly circular leftovers of the contrail. They seem to be the last phase of the contrail before disappearing completely. There are also some recent examples on the gallery of this phenomenon. The wingtips of the airplane induce vortices that make these strange patterns in the contrail. Last few days over here were very favorable for this phenomenon and living near a lot of air traffic I could make a lot of new pictures of even stranger patterns.
Yeah, the Asperitas can be found in the online ICA and it even was in the news. Unfortunately no Crow or Holmboe instabilities or von Karman vortices. You can’t have it all.
Many tanks for the analysis Michael. With your NFL rating method my own Asperitas events score a rather moderate picnic level I suppose, knowing that you scored the second picture at medium level, … but nothing wrong with a good picnic-time.
In my attempt to roughing it up just a little:
Ending with just a hint of Asperitas behind a Dutch windmill.
Yes indeed Elseville Michael, that is where you think you are when you are watching these skies. And nice to have the opportunity to see it develop. Very interesting observations you make.
Your first one is local and I recognize the situation from the gallery, but the second one is quite covering the sky. This shows a type that can be seen more in the gallery and is very characteristic but does not show the large irregular undulations. Much more a somewhat regular pattern I would say. Choppy sea you call it and a choppy sea it is for sure.
I would appreciate your opinion on the next two pictures taken within a few minutes in different directions some years ago. In reality a bit more grey, but a little enhancements shows better what pattern attracted me in the view. Upside down or not I am in doubt.
Very interesting observations Michael. I haven’t seen Asperitas that much to add something to it. The irregular undulations are intriguing and the role of the winds and sinking or rising of air masses must play a role. Your Asperitas Lite is a very beautiful example.
This looks like a small part of the sky where it shows? That would be something I have seen also on a few occasions and although the characteristic pictures of Asperitas show dramatic structures, in cases that I saw Asperitas it appeared not that dramatic. Maybe because the land over here is flat except for the dunes. I read in the Dutch version of Wikipedia on the subject Asperitas that it occurs often in the Great Plains of the USA in the morning hours or midday following convective thunderstorm activity. That fits I suppose.
Two years ago I saw this one looking to the south. In the middle of the wide angle picture here under (rather dramatized by enhancing) you can see the characteristic undulations. Certainly not filling the sky.
Almost at the same time in the East …
