Polar Vortex 2024 Forecast Usa. For the gefsv12 forecast issued on february 12, ~90% of the individual model runs predict a reversal of the vortex winds (top, thin magenta lines), accompanied by a sharp. There could be blasts of cold weather in february if the polar vortex hits.

A new polar vortex is developing in the stratosphere over the north pole as nights get longer over the polar regions and temperatures drop. An experimental process of regular research, review, and.