polar vortex
[ poh-ler vawr-teks ]
/ ˈpoʊ lər ˈvɔr tɛks /
noun
a whirling mass of very cold air that sits over the North or South Pole: A displaced polar vortex is causing Arctic temperatures across the United States.
Words nearby polar vortex
polar orbit,
polar outbreak,
polar regions,
polar sequence,
polar star,
polar vortex,
polar wander,
polari,
polarimeter,
polaris,
polariscope