Polar Vortex 2025 Ohio Predictions. As the new year approaches—but what exactly is a polar vortex, and how could it affect the weather in 2025?. As you can see, a la niña phase has a higher chance of producing a polar vortex collapse event.

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. Brian mitchell, a national weather service.