Forces in the Arctic are combining to push chilly air that usually stays near the North Pole into the United States, and also Europe, for the 10th time this winter.

The U.S. is set to feel the impacts of an Arctic polar vortex next week, meteorologists have warned, with sub-zero temperatures possible across much of the country. Meteorologists explained that polar vortex intrusions are usually not disruptive,

On the heels of successive winter storms that brought heavy snow and ice to a wide swath of the United States, another arctic blast tied to the polar vortex will send temperatures plummeting across the country early next week,