Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

This system has the potential to evolve into a major winter weather ... unusually cold air in the Northern Hemisphere will move into the Plains and Midwest this weekend as the polar vortex lobe ...

Like much of the U.S., Wisconsinites woke up Tuesday morning to bitter cold conditions. Many schools and colleges throughout ...

It's a term you hear every couple of winters, when we get stuck in the coldest of cold patterns – polar vortex. But what exactly is it and how does it impact our weather? The polar vortex is ...

Abnormal weather events and severe winter storms could be caused by a disrupted polar vortex. Find out here how the polar ...

Winter is making its presence known in New York City, as the polar vortex is bringing brutally cold temperatures to the ...

A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...

They invade lower latitudes at irregular intervals, according to the weather service. This arctic air tends to be colder than polar air. The polar vortex is a large area of low-pressure and cold ...

Research has found that rising temperatures in the Arctic are weakening weather systems that normally trap the cold around ...

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...