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Thread: Crown flash caught on camera - GIF

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    Supporting Member Altair's Avatar
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    Crown flash caught on camera - GIF

    Crown flash is a rarely observed meteorological phenomenon caused by the effect of atmospheric electrical fluctuations on the alignment of ice crystals. - Wikipedia




    Previously:

    Cloud iridescence - GIF
    Flogo floating cloud generator - GIF
    Building reflecting sunlight to surrounding cloud - photo
    Unusual cloud formation - GIF
    Bubble freezing midair - GIF

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  2. The Following 9 Users Say Thank You to Altair For This Useful Post:

    bob_3000 (May 13, 2023), Inner (May 8, 2023), mwmkravchenko (May 8, 2023), nova_robotics (May 8, 2023), Ralphxyz (May 8, 2023), Rangi (May 8, 2023), rlm98253 (May 13, 2023), that_other_guy (May 19, 2023), Tonyg (May 8, 2023)

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    Supporting Member Ralphxyz's Avatar
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    Ralphxyz's Tools
    What am I seeing?

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    ductape's Tools
    Quote Originally Posted by Ralphxyz View Post
    What am I seeing?
    Crown Flash (wikipedia)
    It apparently isn't very well understood what causes this.

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    bob_3000 (May 13, 2023)

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    Supporting Member schuylergrace's Avatar
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    Quote Originally Posted by Ralphxyz View Post
    What am I seeing?
    Clouds have a static charge in relation to the air surrounding them that can vary throughout the cloud. This is a sort of discharge of that from one part of the cloud to another or to the atmosphere, which causes the ice crystals in the cloud to make streams and arcs, like solar flares. Well, not exactly like, but the same sort of idea. That's also why you get lightning within a cloud or from cloud to cloud, but those are on a much larger scale and occur under different circumstances.



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