Is the polar vortex a storm?

“Polar vortex” is most commonly used as an abbreviation for “circumpolar vortex”, and refers to a planetary-scale flow that encircles the pole in middle or ... Mar 6, 2025 ... However, sometimes a polar vortex can be disrupted, weakening or even collapsing. When this occurs, winds begin to flow in the opposite ... Jan 29, 2019 ... Sometimes during winter in the Northern Hemisphere, the polar vortex will become less stable and disrupt the polar jet stream circulating in the ... The source of much of these cold temperatures was a phenomenon informally known as the “polar vortex” or what climate scientists call an Artic Oscillation (AO). There are separate stratospheric and tropospheric planetary-scale circumpolar vortices, with differing structure, seasonality, dynamics, and impacts on extreme ... Mar 29, 2024 ... The term polar vortex is used to describe several different features in the atmosphere. It most commonly refers to a planetary-scale mid- to ... Mar 12, 2024 ... Dorrance flies to the U.S. Midwest from London to help her make that transition; a winter storm hits, and the situation becomes more complicated ... Jan 30, 2019 ... The polar vortex is found around the north pole. It's a band of strong winds, high up in the atmosphere that keeps bitterly cold air locked around the Arctic ... Oct 19, 2023 ... Polar vortex is the name given to the strong currents of wind formed by low pressure that occurs in the Arctic and Antarctic regions. The name ... Dec 9, 2014 ... We investigate the impact of volcanic aerosol forcing on stratospheric dynamics, including the strength of the NH polar vortex, in ensemble simulations.