Polar Vortex 2025 Ohio Path. 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. Bitter temperatures are forecast to hit swathes of the u.s.
New york — multiple rounds of frigid, arctic air could sweep across the eastern half of u.s. The polar vortex is a large area of low pressure and cold air surrounding the north pole.