Weather Polar Vortex 2024 Uk. 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. The polar vortex — a mass of rotating, cold air above the arctic — has begun to break down, marking the beginning of its annual collapse.

The polar vortex — a mass of rotating, cold air above the arctic — has begun to break down, marking the beginning of its annual collapse. It is present in winter, and is not a new phenomenon, scientists have known about.