Strange Tsunami Wave Clouds Over Birmingham, Alabama (Video)

Kelvin-Helmholtz Wave Clouds Over Birmingham

Photo: alabamawx.com

These strange, tsunami wave shaped clouds were seen across the sky last Friday in Birmingham, Alabama. The unusual phenomenon is an example of Kelvin-Helmholtz waves, when a fast layer moves over a slower layer and drags the top along creating a curled shape.

Tsunami Wave Clouds Over Birmingham, Alabama

Photo: alabamawx.com

via Dvice