Weather Polar Vortex 2024 Map. The polar vortex is a whirling cone of low pressure over the poles that's strongest in the winter months due to the increased temperature contrast between the polar regions and. In simple terms, it is just a name that describes the broad winter circulation over the northern (and southern) hemisphere.

A polar vortex has descended on much of north america, coming down from the arctic, bringing record freezing temperatures across much of the country. Based on the january 15, 2024 forecast, the stratospheric polar vortex winds will decrease to zero, just reaching the threshold of a major sudden stratospheric warming, in the next day or two.