Transcript for Rare wave-shaped clouds hover over VA skyline
Under this happened on this Thursday morning starting with quite a sight in the sky news wave clouds Hulu alone adult fat. Those look very much so light waves. Her body servant now. Have experts say it's a rare phenomenon that appeared over the Smith mountain in the verb Jeannie. So basically these are known as Kevin. Helm holds cloud Smith. Between. The guy who was looking into the physics that allowed at the formation to develop thank you for asking. They hit appear between two layers of hair the top is moving faster in warmer either way it makes that site. And all your city there's thinking about me and the physics that a lot this happen it's pretty cool I like yes and oh yeah.
This transcript has been automatically generated and may not be 100% accurate.