Polar vortex

Alternative definitions (3), class: vernacular (0)
Term: Polar vortex
Definition: High pressure system located in the upper atmosphere at the polar regions. In this system, air in the upper troposphere moves into the vortex center and then descends to the Earth's surface to create the polar highs.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary