mountain wave

noun

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

Example Sentences

"I was amazed by how the aroma was full of nice fruits and flowers," said Yang, describing her experience last year of first sampling the Mountain Wave label produced in Ningxia.

From Reuters

"When aircraft encounter a mountain wave, severe turbulence is often the result," the NWS states.

From Fox News

Joining the sheriff’s office in the search are Pacific Northwest Search and Rescue, Mountain Wave, Portland Mountain Rescue and Washington County Sheriff’s Office Explorer Post 877, which is composed of teenagers who do search and rescue.

From Seattle Times

Monday’s storm was preceded by a wind event called the Palmdale Mountain Wave in Lancaster and the surrounding areas that brought sustained winds of 50 mph with gusts up to 70 mph, said Kristen Stewart, a meteorologist with the National Weather Service.

From Los Angeles Times

Here is a graphic of how "The Palmdale Mountain Wave" occurs.

From Los Angeles Times