Unusual undulating clouds captured in Wyoming

(ORDO NEWS) — An eyewitness took amazing photos of a rare cloud formation moving along the horizon as if it were huge ocean waves.

A phenomenon known as the Kelvin-Helmholtz instability was observed over the Big Horn Mountains from Sheridan, Wyoming.

Rachel Gordon told BBC News that she took these amazing pictures near her parents’ home in the US state of Wyoming. She then posted them on The Social Network, where they quickly went viral.

The phenomenon of Kelvin-Helmholtz instability occurs when there is a difference in speed between two immiscible surfaces “moving” over each other. In this case, the faster airflow moves over the rising air below.

The natural formation is named after the scientists Lord Kelvin and Hermann von Helmholtz.


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