Polar Vortex In January 2025
Polar Vortex In January 2025. The polar vortex will bring dramatically cold air to the western half of north america starting jan. Based on the january 15, 2025 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.
This is now the second disruption of the polar vortex in 2025. Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2025/2025.
