Eyebrow Clouds
January 03, 2023
Photographer: John Chow
Summary Authors: John Chow; Jim Foster
Featured above are eye-catching, eyebrow clouds I observed from Yuen Long, Hong Kong, on the morning of November 17, 2022. They’re officially known as Eyebrowed Cloud-Supercilium and result from turbulence over mountain barriers, tending to form during strong winds, in the lee of steep terrain. On occasion, it seems, when a mountain wave flows over a line of ridges the wave may act to tumble over itself, creating these peculiar-shaped clouds.
Fung Lok Wai, Yuen Long, Hong Kong Coordinates: 22.4694806, 114.0186507
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