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Thanks George..That along with the national weather satellite visuals give me a bit of time to prepare for the clouds when they decide to come to Phoenix.
Jean-Pierre..Yes, Hans Got it..The Long Linear nature is because of what you see in upper right hand area..Contrail. The Fall Streak you have photographed is probably the result of a jet engine exhaust..imho
When given the opportunity I enjoy shooting straight up through the clouds. The opportunity is usually a quick moving cell of congestus. NOT RAINING THO..Roiling ,nears perfection to my tastes. Thin and Moving enough to let light in for just a bit, challenging me to capture the interesting, thats the way to get a cramp in the neck from looking up continuously for the opportune. Ive learned to shoot with a good amount of contrast programmed. Orange or Red Filter effect works well for B&W. For color just program one of your choices for high contrast .I shoot with the slowest speed possible most of the time ,equivalent ASA100, but depending how dark it is under a forming storm , might up the speed to 200 or 400 depending on where the “noise” starts becoming a problem.Generally focus where the Lightest area is, which hopefully is the center of attention or whats going on, as well. Its a different way to shot clouds and lends itself to the abstract use of cloud . And Its Fun. Below is an easy one shot from my backyard, overhead.
Hans, Thanks for the Sign In Tip…Refresh took me immediately to the red button of Login. Much Better.
Fascinating high clouds there !..Winds creating interesting troughs and eddies with what looks like lacunosus! Quite a cast of characters!Below is a Free For All of Undulatus with several layers of cloud.
Easy Hans…Sure! I’ve seen such phenomena. I suspect rising columns of heat make the holes. Something always starts degrading clouds once they reach their peak appearance. Can’t say I have pics tho,,or at least I have no idea where to look for them if I do.
Anyway, we’ve reached just over 100 posts on this thread. Hygge was hinting at 75 or so, that maybe its time for a new thread. Im thinking Vol II . 100 posts is fair especially if you believe ” A Picture is Worth a Thousand Words”..So, this one is my last for this thread, Vol I. Its strange enough to be a memorable one to go out on..another Overhead shot taken from my backyard…with a little contrast and ” clarity” added..;)
George makes a valid point, it depends where you are located. But..I have a slitely different perspective. For me..the rarest cloud I can think of..is the One I don’t Want To See. Cirrus lenticulars are very rare. I think I’ve only seen a couple and have only one picture of one. I use to think Horseshoe vortex was rare but I’m into double digit sightings of those now. The most recent outburst of the Polar Strat Clouds have been seen by perhaps millions so rarity gets another flavor there. But there is one,,rare in occurrences when compared to normal clouds and I suspect, most who have seen one , hope its their last; the tuba that touches ground, the tornado! Imho..the rarer, the better.
Having a devil of a time signing in here. As I come in I am taken to automatically being sign in. Problem is..as soon as I go to anywhere else ( forum, home page ), I’m not signed in there. So I have to keep signing out then back in until I am given the manual sign in red button, which works at keeping me signed in everywhere. .anyway..
hygge, Ive seen these weirdos come apart and there is some kind of force involved. They come apart like a spinning top losing its energy, its balance. There is wooble, a shuddering, shape becomes chaotic, filaments go off in various directions and dissipation takes it toll until all gone. So I thought the energy was in the spin of the vortex. If its in ,,invisible air..oh well. I’ve never seen it then. I’ve only seen its effect on the horseshoe.
Fascinating Crows Work Hans! Perhaps Boeing or Airbus Will design a wing tip that always gives a show like you and Davies captured! If They are going to put stuff across my sky, how nice it would be if it was at least interesting.
Heres a pic that can be rotated and flipped. I break some rules but adhere to just enough to keep it interesting.
LG…Hold on a sec…those clouds have the consistency of Jello at best,,maybe more like ice slush. Our weather would be ..crushed to death. I can imagine micro creatures living amongst the molecules but temperature and light are very thin. Now take the Jovian moon Encelidus(spl?) It just may be all water..ice crust with liquid underneath maybe there we could survive for a while. Maybe some great ice fishing there.
But yea, Juno earned every cent poured into the program with just that shot.
Hans,, I’d say it is Holmboe Instability. The fascinating thing is the other waves and surges besides a main prominence. According to computer simulations the jostling of the whole area ( layer) should be evident,again the physics of finding equilibrium. Below is another Jan 13 2017 pic. This time some lenticular get the Holmboe treatment.
