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Thread: Roll Cloud

  1. #1
    Join Date
    Jan 2013
    Location
    Richmond, Virginia
    Posts
    12,673

    Default Roll Cloud

    The other morning there was an unusual (for our area) cloud formation. The weatherman called it a roll cloud. Several people were able to catch it on there cameras and share the photos.


    Roll cloud (Cloud Atlas name volutus) is a low, horizontal, tube-shaped, and relatively rare type of arcus cloud. They differ from shelf clouds by being completely detached from other cloud features. Roll clouds usually appear to be "rolling" about a horizontal axis.











    I understand that parts of Australia the formation is more common and called a Morning Glory Cloud.

    Has anyone else see this formation?

    from Australia:

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  2. #2
    Join Date
    Apr 1999
    Location
    Hyannis, MA, USA
    Posts
    50,699

    Default Re: Roll Cloud

    Way cool.

  3. #3
    Join Date
    Jul 2011
    Location
    Isle of Mull, Scotland
    Posts
    9,712

    Default Re: Roll Cloud

    Man, those are some chemtrails! :-)

  4. #4
    Join Date
    Jan 2007
    Location
    Winnipeg MB
    Posts
    21,555

    Default Re: Roll Cloud

    Breathtaking.

    What are you doing about it?




  5. #5
    Join Date
    Jun 2000
    Location
    Madison Wisconsin
    Posts
    10,480

    Default Re: Roll Cloud

    I saw one once. We were inflating a hot air balloon in hopes of getting off an early morning flight in kind of marginal weather, as we were paid by the flight, and only by the flight. About the time the thing stood up and within what would normally be about a minute from launching we saw the cloud off in the distance heading our way. You could clearly see the rolling pin action going on. We pulled the rip line, dumped the envelope on the grass and just managed to get everything packed up before it got really gusty and strange. It would have been one heck of a scary ride for as long as it would have lasted. They always say that it's much better to be on the ground wishing you were in the air, than in the air wishing you were on the ground. That day was a perfect example.

  6. #6
    Join Date
    Jul 2002
    Location
    usa
    Posts
    9,199

    Default Re: Roll Cloud

    I wonder if the upside of the rotation would support a sailplane?
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