Polar Vortex 2024 Map Europe. It sounds backward, but it turns out it's after the polar vortex weakens, stretches or splits that winter weather over europe and north america could become more cold and. Observed and forecasted (noaa gefsv12) wind speed in the polar vortex compared to the natural range of variability (faint shading).
A strong/stable polar vortex usually means strong polar circulation and jet stream. A weaker polar vortex usually means a weaker jet stream, which increases the chance of a more dynamic.