Unknown clous typr
Forums › Cloud Identification Help › Unknown clous typr
- This topic has 8 replies, 4 voices, and was last updated 11 months, 2 weeks ago by
Nienke Lantman.
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AuthorPosts
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December 11, 2024 at 1:51 pm #628323
Robert Pearson
ParticipantWhat cloud type is this?

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December 11, 2024 at 2:19 pm #628324
Nienke LantmanParticipantMammatus! Lovely picture!
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December 11, 2024 at 2:32 pm #628326
Robert Pearson
ParticipantI wouldn’t have guessed that. All the photos I’ve seen have lobes. Is this a special or less common form? Here is another photo with more included.

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December 13, 2024 at 2:28 pm #628591
Nienke LantmanParticipantI can see lobes, in the middle, but when they are directly over you they are less visible……
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December 11, 2024 at 2:44 pm #628327
Richard Goetze
ParticipantAppears Floccose form. Maybe Cirrocumulus Lacunosus?
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This reply was modified 11 months, 3 weeks ago by
Richard.
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This reply was modified 11 months, 3 weeks ago by
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December 13, 2024 at 9:40 am #628578
Hans StockerParticipantHello Robert, your images show both lacunosus, like Richard suggests. According to ts soft and large features I think it is Altocumulus. The second image has in comparison also the streaky features of Cirrus. That makes me think that some of the altocumulus has developed into cirrus (altocumulogenitus). What do you think?
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December 13, 2024 at 10:45 am #628587
Robert Pearson
ParticipantThanks Hans. It makes sense to me what you say. It was a great cloud day with many changes over time. I have other photos of lacunosus but not with so little cloud fringe around the holes or so smooth. Here are three more photos showing how it was changing. I need to think about altocumulus developing into cirrus, new to my thinking about cloud formation.



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December 13, 2024 at 1:06 pm #628589
Hans StockerParticipantVery nice ones Robert. They all show more or less the same features imo. Nice to see development in a series of the same sky.
😊
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December 16, 2024 at 5:50 pm #629028
Nienke LantmanParticipantAh, more pictures, I now see I got it wrong : )
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