polar vortex
noun[C]
environmentspecializeduk/ˌpəoʊ.lə ˈvɔː.teks/us/ˌpoʊ.lɚ ˈvɔːr.t̬eks/pluralpolar vorticesuk/ˌpəoʊ.lə ˈvɔː.tɪ.siːz/us/ˌpəoʊ.lɚ ˈvɔːr.t̬e.siːz/anareaoflowpressureandcoldairthatformsnear theNorthorSouthPoleand isstrongerinwinter:
极地涡旋Extremelylowtemperaturesin thepolarvortexleadto theformationofpolarstratosphericclouds.极地涡旋的极低温度导致极地平流层云的形成。
- There are twopolarvortices in the Earth'satmosphere, one overlying eachPole.
- Variations in thestrengthof thepolarvortexin theupperstratospheremayinfluencesurfaceclimate.
- Thisyearthewinterpolarvortices have beenparticularlypersistentin theArctic.
- Lowerpressureleadsto thecontractionof thepolarvortex, whichmovesthefrontalsystemsfurthersouth.
Weather & climate - general words
- aneroid barometer
- anthelion
- aurora
- aurora australis
- aurora borealis
- element
- glass
- low-pressure
- meteorological
- meteorologist
- meteorology
- mock sun
- Northern Lights
- occluded front
- occlusion
- parhelion
- rare
- the Met Office
- weather forecaster
- zone
You can also find related words, phrases, and synonyms in the topics:
Cold