k-h, circumzenithal

[George Preoteasa]

It’s been a good day today. Spotted a circumzenithal ark and some distant Kelvin-Helmholtz clouds.

[George Preoteasa]

[Patricia L Keelin]

Thank you for sharing these lovely images, George. They deliver vicarious thrills!

[Howard Brown]

Well spotted, George. Just to get thinking about the strange new names in the ICA your K-H has now become fluctus

https://cloudatlas.wmo.int/clouds-supplementary-features-fluctus.html

Don’t forget the first sticky note in the forum index takes you to the new ICA.

[Author]

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