mountain wave

noun

the wavelike effect, characterized by severe updrafts and downdrafts, that occurs when rapidly flowing air encounters the steep front of a mountain range.

Also called lee wave.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for lee wave

Historical Examples of lee wave

The foam from the top of a mountain-wave scudded through the ropes of the car.
The Strand Magazine, Volume V, Issue 26, February 1893
Various
Not only will the march of Morse be under the mountain-wave, but his home will be on the deep.
Lippincott's Magazine of Popular Literature and Science, Vol. XVII. No. 101. May, 1876.
Various