atmospheric river
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English
Noun
atmospheric river (plural atmospheric rivers)
- (meteorology) A narrow and long band of atmospheric moisture that transports a lot of water vapour, originating from the tropics, in a manner superficially similar to how a terrestrial river transports water.
- Synonym: AR
- 2024 January 26, Judson Jones, “More Atmospheric Rivers Are on the Way. Here’s What the West Can Expect.”, in The New York Times, →ISSN:
- A sequence of atmospheric rivers will bring heavy rainfall and snow to the Western U.S. and Canada over the next week.