Polar Vortex 2025 Predictions. I have been describing the pv variability as “lather, rinse, repeat” and for the most part that seems to be true. 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.


Polar Vortex 2025 Predictions

After that, the forecast average. It usually produces one later in winter, compared to an el niño.

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