inversion layer

American  

noun

1. a layer of the atmosphere in which there is a temperature inversion, with the layer tending to prevent the air below it from rising, thus trapping any pollutants that are present.

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Example Sentences

This pushed air downwards, creating an inversion layer that trapped the smog close to the ground.

From BBC • Dec. 5, 2023

Increased winds Tuesday pushed out a smoke inversion layer that had been stifling the blaze and gave fresh oxygen to the flames, McLean said.

From Seattle Times • Sep. 14, 2022

An inversion layer on Monday trapped smoke over much of the fire, and the shade helped lower temperatures and keep humidity up, incident meteorologist Julia Ruthford said.

From Fox News • Jul. 27, 2021

I’m a native Angeleno, raised in the 1970s under a brown inversion layer not dissimilar to one that crowned the San Fernando Valley when the family had its reign of terror.

From Los Angeles Times • Jul. 27, 2020

These are but a few of the effects of an inversion layer on radar.

From The Report on Unidentified Flying Objects by Ruppelt, Edward J.