Inversion (meteorology)
Also known as: temperature inversion · inversion
In meteorology, an inversion is a phenomenon in which a layer of warmer air overlies cooler air.
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frequently associated atmospheric condition
High-pressure systems often create temperature inversions by trapping cool air near the surface, which can lead to poor air quality and events like the Great Smog of London.
meteorological mechanism trapping pollutants
A temperature inversion occurred during the event, preventing the vertical mixing of air and trapping the smoke at ground level.