Polar Vortex In Texas 2025 Dates. The dynamics of the polar vortex continue to show alternating episodes of stretching and relaxation, typical of this. The battle continues and in the impacts section i discuss the competing influences of a strong polar vortex (pv) and high latitude blocking on the upcoming weather in the n orthern hemisphere (nh).
Early data shows that the polar vortex is likely to be weaker than normal in the winter of 2024/2025. 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.