Polar Vortex Forecast 2025 24 Predictions

Polar Vortex Forecast 2025 24 Predictions. It usually produces one later in winter, compared to an el niño. Observed and forecasted (noaa gefsv12) wind speed (top) and temperature (bottom) in the polar vortex compared to the natural range of variability (faint shading).

For the gefsv12 forecast issued on 18 december 2025, the winds at 60 degrees north (the mean location of the polar vortex) are forecast to remain stronger than normal for at least the next 2 weeks (bold red line). The forecast trend of the pv.