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heat dome

[ heet dohm ]

noun

, Meteorology.
  1. a weather phenomenon in which an area experiences stifling heat when a system of high pressure pushes very warm air downward and keeps it trapped as if in a bubble.


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Word History and Origins

Origin of heat dome1

First recorded in 1955–60
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Example Sentences

The post This week’s ultra hot weather is brought to you by heat domes—and climate change appeared first on Popular Science.

On Wednesday, the heat dome should stretch from the Pacific Coast to the Appalachians, with hazy and hot temperatures just about everywhere in between.

That batch represents the first signs of a building heat dome that will drape itself across most of the Lower 48 by midweek.

When the heat dome first descended in late June, Campbell, 64, had plans to take her grandkids on a road trip to a nearby dinosaur museum.

By Monday, a key heat dome threshold could be reached — 600 dekameters — signifying a rare event, but one that has grown more common because of human-caused climate change.

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heat devilheated