Category Archives: Clouds

Lenticular clouds in Wyoming

Taken October 31, 2018 north of Casper Wyoming. What appear to be lenticular clouds, more than I usually see at one time.

Photo Credit: Sheri Kimbrough

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Wyoming Sunrise

Picture was taken 11/4/2018 out my window north of Casper Wyoming. I am not sure what type of clouds these are, but they looked awesome with the sun rising behind them.

Photo Credit: Sheri Kimbrough

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Van Gogh Clouds in Finland

Kelvin-Helmholtz Clouds aka “van Gogh clouds”
Taken by Matti Helin on October 29, 2018 in Finland

Helin snapped this picture of “van Gogh clouds”

These clouds, also known as “billow clouds,” are produced by the Kelvin-Helmholtz instability when horizontal layers of air brush by one another at different velocities. It is widely believed that these waves in the sky inspired the swirls in van Gogh’s masterpiece The Starry Night.

In this case, the clouds were traced by the motion of air and painted by the colors of the Arctic sunset. Helin’s video of the phenomenon sets the canvas in motion. Watch it on Youtube. https://www.youtube.com/watch?v=Erd-GVL91Ko

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