This blast of cold weather is due to activity of the polar vortex.

Parts of Mississippi can expect freezing temperatures, lows in the teens in the coming week. Know how to prep your home, ...

The polar vortex is a large area of low pressure, winds, and cold air surrounding both of the Earth’s poles, according to the ...

The first is the polar jet stream, a huge current of air that circles the globe ... it is joined by a second atmospheric phenomenon dubbed the polar vortex. This swirl of frigid air, located ...

The polar vortex is a low-pressure system of cold air that swirls above Earth’s poles. There’s one over the South Pole in ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

The coldest air of the season will sweep into the province this weekend, courtesy of a polar vortex. It has been a relatively ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

The intense cold snap that has settled over most of Canada and the U.S. has been dubbed a “polar vortex’, but Environment ...

Here's how the polar vortex, and climate change, influence extremely cold winter weather in the US. Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex ...