Polar Vortex 2025 News Usa. A polar vortex dipping down from siberia is bringing a cold front with frigid temperatures to millions americans. Experts estimate that the polar vortex will move into new england as a wintery mix immediately after new year's, whipping up some possibly significant storms along the east.

The second artic outbreak, or polar vortex, is forecast to arrive between january 7 and 13, bring the coldest air of the season to date. The jet stream typically acts as a barrier to keep the polar vortex contained near the arctic, but at times, some of the vortex can break off or move south, bringing unusually cold.