Northern hemisphere cold air outbreaks are more likely to be severe during weak polar vortex conditions

A weak stratospheric polar vortex in the Arctic leads to a disproportionally increased risk of severe cold air outbreaks over northern extratropical regions, compared to moderate outbreaks, suggest analyses of reanalysis data and climate model simulations.

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Autores principales: Jinlong Huang, Peter Hitchcock, Amanda C. Maycock, Christine M. McKenna, Wenshou Tian
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/2fcac0dba4b6433ab9b28ed6063cdecf
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Sumario:A weak stratospheric polar vortex in the Arctic leads to a disproportionally increased risk of severe cold air outbreaks over northern extratropical regions, compared to moderate outbreaks, suggest analyses of reanalysis data and climate model simulations.