An update to the cloud atlas.
March 26, 2017 8:15 AM Subscribe
Pretor-Pinney described the formations as “localized waves in the cloud base, either smooth or dappled with smaller features, sometimes descending into sharp points, as if viewing a roughened sea surface from below. Varying levels of illumination and thickness of cloud can lead to dramatic visual effects.” Asperitas clouds tend to be low-lying, and are caused by weather fronts that create undulating waves in the atmosphere.
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