Next Polar Vortex 2025. The polar vortex (pv) continues to transition to different phases or modes at breakneck speed. For the gefsv12 forecast issued on 18 december 2024, the winds at 60 degrees north (the mean location of the polar vortex) are forecast to remain stronger than normal for at.
A strong/stable polar vortex usually means strong polar circulation and jet stream. As each year is different in the story of the polar vortex, we will look at the latest data in the stratosphere and how a new polar vortex is starting to emerge for the 2024/2025 winter season.
