Polar Vortex 2024 Forecast. The polar vortex on the left was from january 1 and the right is the forecast for january 14 showing the cold air stretching south. 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.
Daily updated maps with analysis and forecast of arctic stratospheric temperature and vortex position. The polar vortex is a large cyclonic area.