Current 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. Forecasts suggest it will bring cold air to much of the u.s.
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. 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.
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