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Unusual cloud

mike57
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This wave cloud appeared for a few minutes when I was out today. I have seen high level versions of these but this was sea fret/low cloud at the cliffs. The attached map shows direction of the view as an orange arrow and the wind direction with a blue arrow. The cliffs are around 400ft at this location. Has anyone seen anything like this before.

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Photo Information for Unusual cloud

Taken with samsung SM-G965F

  • 6 mm
  • 1/904
  • f f/2.4
  • ISO 100
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Wow, a pretty rare beast that, good catch 🙂

It's Kelvin Helmholtz clouds, caused by instability in the atmosphere, with changing wind speeds at different heights. 

 

kelvin-helmholtz-cloud.jpg
WWW.METOFFICE.GOV.UK

An extremely rare phenomenon, where a cloud produces a billowing wave pattern. They occur when there is a strong vertical shear between two air streams, causing...

 

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