The polar vortex hasn’t just been discovered; it has been around for as long as Earth has had an atmosphere. It’s a cold, swirling whirlpool of low pressure surrounding both o ...

The U.S. is set to feel the impacts of an Arctic polar vortex next week, meteorologists have warned, with sub-zero ...

Threat level: The Arctic air is likely to send temperatures plunging to at least 30 degrees below average for mid-February ...

A strong, stable vortex is like a skater spinning with their arms tucked closely in, holding in an area of cold air over the ...

As we continue to warm moving into February, it appears latest trends suggest a classic "what goes up, must come down" type ...

A significant meteorological event is poised to impact vast regions of the United States. The polar vortex, a large area of low pressure and cold air surrounding the Earth’s poles, is expected to ...

allowing for the vortex to move more drastically, and potentially sending colder air into Asia, Europe, or the United States. As for if the polar vortex is to blame for last week's Gulf Coast ...

A disrupted polar vortex does not happen every year. Very much so what happened this past week all over the United States. Above are the low temperatures over the past three days in Portland.

The polar vortex is bringing brutally cold temperatures ... disruptions to the vortex can send freezing Arctic air southward into the United States. The disruptions result in Arctic air sweeping ...

Under the Rotunda of the U.S. Capitol, Donald Trump was again inaugurated, this time as the 47th president of the United States, capping a historic return ...

This cold was certainly extraordinary, but the polar vortex event of January 2019 brought life in the northern and central United States to a frozen halt. At that time in our area, the coldest actual ...

A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the South.