A powerful polar vortex is set to grip much of the United States next week, as seen on a map, with meteorologists predicting plunging temperatures and widespread disruptions. So far, this winter ...

Arctic winds from a powerful polar vortex are sweeping ... According to the Windy weather map, temperatures are currently freezing or below in most of the United States, with the coldest ...

Parts of the polar vortex are positioned to sweep across ... of repeated blasts of cold air that will impact the continental US throughout January, possibly causing various significant winter ...

This polar projection map of Asia and North America shows the approximate terminal Pleistocene shoreline. The center of geographic distribution of Yeniseian and Na-Dene language is in Beringia.