Darsey Florina

The Next Polar Vortex 2025. A weaker polar vortex usually means a weaker jet stream, which increases the chance of a more dynamic (colder/snowy) winter pattern over the united states, canada,. As the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 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. The plunging polar vortex is bringing subfreezing temperatures to some of the southernmost points of the u.s.