Pronunciation: /ˈpoʊlər ˈvɔːrˌtɛks/
noun a large area of low pressure and cold air surrounding both of the Earth's poles
A1 The polar vortex is a weather phenomenon.
A2 During winter, the polar vortex can bring extremely cold temperatures.
B1 Scientists study the polar vortex to better understand its impact on weather patterns.
B2 The polar vortex can sometimes shift, causing disruptions in air travel.
C1 The polar vortex is a complex atmospheric circulation pattern that influences global weather systems.
C2 Meteorologists use advanced technology to track and predict the movement of the polar vortex.
formal The polar vortex is a large area of low pressure and cold air surrounding both of the Earth's poles.
informal I heard we might be getting hit with a polar vortex next week, so stock up on groceries!
slang Brrr, that polar vortex is no joke - it's freezing outside!
figurative When it comes to her emotions, she's like a polar vortex - cold and unpredictable.
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