Polar Vortex 2024 News India. The unusually low levels of antarctic sea ice in 2023 and 2024, coupled with. In the lowest layer of the atmosphere, the troposphere—where weather occurs—there spins a polar vortex that circles the globe year round, a jet stream that’s also.
A strong polar vortex favors a milder pattern, however models continue to predict high pressure dominating the high latitudes that would deliver cold to the population centers of the northern hemisphere. What is a polar vortex?