Polar Vortex 2025. 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. How will the polar vortex movement intensify the january cooldown over the united states?

When the polar vortex is strong, it locks the cold air in the arctic. How will the polar vortex movement intensify the january cooldown over the united states?