Upcoming Polar Vortex 2025 Predictions. That is the foundation for the polar vortex for the upcoming winter 2023/2025. Meanwhile, we live, and all the weather that we experience, is in the troposphere, which is five to nine.

Looking below at the forecast for late september, you can see the polar vortex is already more developed and rapidly increasing in size and. Overall, this means that a la niña event is.