polar vortex

Noun

 * 1) A large-scale cyclone located in the middle and upper troposphere and stratosphere that surround the polar highs and lay in the wake of the polar front.

Translations

 * Chinese:
 * Mandarin: 极地涡旋
 * Finnish: napapyörre
 * French: ,
 * German: Polarwirbel
 * Italian: vortice polare
 * Turkish: kutup girdabı