These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

A historic winter storm is poised to produce potentially record-breaking snows from coastal Texas to northern Florida late ...

Some of the coldest air in years is expected to plunge into the High Plains, Midwest and finally the East in the coming days ...

Americans were bracing Thursday for frigid temperatures that forecasters said could produce life-threatening conditions, with ...

A polar vortex could bring the coldest January the U.S. has faced in years. National Weather Service experts told Newsweek that Americans can expect a colder-than-average start to the new year.

With the next Arctic Outbreak looming close, we take a dive into what the Polar Vortex is and how it will affect our area: ...

Some experts say the Frigid air that normally stays trapped in the Arctic escaping is happening more frequently because of a ...

Some 60 million people are under weather alerts across 30 states. Seven of them have declared emergencies: Maryland, Virginia ...

However, when the stratospheric polar vortex weakens and gets “kicked” off the pole, it reverberates down to the tropospheric polar vortex and causes it to run amuck in the lower latitudes.

The bitter weather is expected to bring nighttime lows as cold as minus 31 deg C over the weekend. Read more at ...