Polar Vortex 2024 Convention. The stratospheric polar vortex is a seasonal phenomenon. Earlier this month, a sudden atmospheric warming event caused the arctic's polar vortex to reverse its trajectory.

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. A new polar vortex is developing in the stratosphere over the north pole as nights get longer over the polar regions and.