These Bizarre Cloud Patterns are von Kármán’s Vortices, Caused by the air Wrapping Around Tall Islands

This is an image of some of the islands that make up the nation of Cape Verde. While most in that group of ten islands are flat, some are very tall: Fogo, Santa Antão, and São Nicolau. Those three stand well above their compatriots, with Fogo reaching an altitude of 2,829 metres (9,281 feet).

The three tall volcanic islands sometimes interact with the wind to create von Kármán vortices, also called von Kármán vortex streets.

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