Polar Vortex 2024 Predictions Map. And canada, from sea to shining sea. Suggesting the modulation of el niño’s influence on winter temperatures by the stratospheric polar vortex.

Meteorological winter is just around the corner, officially beginning in less than two months on sunday, dec. The map shows the vortex edge position (red shade) and the type 1 and 2 psc (synoptic) temperature threshold (10 ppbv hno3 [blue contour line].