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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.

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 • 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

He talks about them all the time and wants to be just like them, with their cool apartments in the upper air and their devices for hovering.

From "Landscape with Invisible Hand" by M.T. Anderson

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