Latest On Polar Vortex 2025. A new polar vortex is developing in the stratosphere over the north pole as nights get longer over the polar regions and temperatures drop. The forecasted structure of the tropospheric jet stream (yellow) and several levels of the stratospheric polar vortex from the lower stratosphere to the upper stratosphere in the.
What is the polar vortex? The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow, storms, and frigid temperatures that will impact the majority of the country and millions of americans.