Polar Vortex 2025 Forecast Texas. Based on the january 15, 2025 forecast, the stratospheric polar vortex winds will decrease to zero, just reaching the threshold of a major sudden stratospheric warming, in the next day or. The majority of the forecast models say yes, the winds at 60 degrees north* (the mean location of the polar vortex) will briefly reverse direction within the next week or so, commencing the second major sudden.

It is strengthening slower than. A new polar vortex is developing in the stratosphere over the north pole as nights get longer over the polar regions and temperatures drop.