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upper air

American  

noun

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


Etymology

Origin of upper air

First recorded in 1875–80


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

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 ● Jan. 16, 2024

“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 ● Apr. 5, 2022

She could see nothing, but heard a distant rumble from the upper air.

From Slate ● Jun. 10, 2019

These delightful pieces end up transcending their constraints and become tales of pure information, occupying the rarified upper air where we also find Borges’s “Pierre Menard” and Nabokov’s “Pale Fire.”

From The New Yorker ● Jan. 6, 2019

Smokes were pouring from it, and while those that rose into the upper air trailed away eastward, great rolling clouds floated down its sides and spread over the land.

From "The Return of the King" by J.R.R. Tolkien

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