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usonian

(13,540 posts)
Sat Jul 9, 2022, 05:45 PM Jul 2022

'Spectacular' Kelvin-Helmholtz wave clouds observed on California coast (in Pacifica)

https://www.sfgate.com/bayarea/article/wave-clouds-form-in-pacifica-17290572.php

Named for scientists Kelvin AND Helmholtz.

The clouds form when there are different wind speeds at different altitudes, and this often happens when air blows up and over a mountain or hill.

Taken by Tara Cronin in May, 2022


Taken by Peter Harrison over Montara Mountain on July 3, 2022
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'Spectacular' Kelvin-Helmholtz wave clouds observed on California coast (in Pacifica) (Original Post) usonian Jul 2022 OP
omg AllaN01Bear Jul 2022 #1
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