Polar Vortex 2025 Usa Predictions. 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. This contains the colder air into the arctic circle, creating milder conditions for most of the.

The jet stream typically acts as a barrier to keep the polar vortex contained near the arctic, but at times, some of the vortex can break off or move south, bringing unusually cold. Experts estimate that the polar vortex will move into new england as a wintery mix immediately after new year’s, whipping up some possibly significant storms along the east.