Polar Vortex Chicago 2024. Polar vortex invites you to the sheraton naperville lisle hotel for a weekend of rpgs, d&d adventure league, board games, miniatures games, vendors, costume contest, miniature painting contest, and more! With a stratospheric warming event expected to develop, we currently see a rapid breakdown of the polar vortex and a cold weather pattern change across the united states in the second half of february and possibly into early march.
The polar vortex is an area of low pressure high above the arctic during the winter, with counterclockwise winds swirling around it. Chicago just experienced some of its coldest temperatures ever, thanks to a polar vortex.