upper air

American  

noun

Meteorology.

1. the atmosphere above the lower portion of the troposphere.

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Etymology

Origin of upper air

First recorded in 1875–80

Example Sentences

The idea is the jet stream — the upper air circulation that drives weather — is wavier in amplified global warming, said University of Wisconsin-Madison climate scientist Steve Vavrus.

From Seattle Times

And those wave changes in the upper air knock the polar vortex out of its place and toward the United States, Cohen said.

From Seattle Times

“The upper air observing program remains a key contributor to our analyses, model data assimilation, and for our forecasters’ situational awareness,” she said.

From New York Times

Charles King teaches at Georgetown University and is the author of “Gods of the Upper Air” and other books.

From Washington Post

But to me, they are creatures of the upper air, and of their nature unintelligible, which makes them more akin to angels.

From New York Times