The condition of the polar vortex influences everyday weather around the globe. Scientist issue warning about concerning ...

The polar vortex, as explained by the National Weather Service, is a large area of low pressure and cold air that encircles the Earth’s poles. Even though it’s often framed in the media as a weather ...

Three factors are combining to increase the likelihood of a weaker polar vortex this winter, the website reports. And a ...

A National Oceanic and Atmospheric Administration graphic shows cold air surging south into the U.S. from the polar vortex above the north pole.

Sometime next week, 89% of the contiguous United States will be below the freezing mark and 27% of the Lower 48 will be below zero (minus 18 degrees Celsius), according to National Weather Service ...

Sometime next week, 89% of the contiguous United States will be below the freezing mark and 27% of the Lower 48 will be below zero (minus 18 degrees Celsius), according to National Weather Service ...

ANNAPOLIS, Md. (AP) — A huge swath of the U.S. was blasted with ice, snow and wind on Monday as the polar vortex that dipped south over the weekend kept much of the country east of the Rockies ...

The coldest burst of Arctic air this season is coming to put an icy exclamation point on America’s winter of repeated polar vortex invasions, meteorologists warn. And it will stay frozen ther… ...