Experts have shared their insights on the 'complex' weather phenomenon amid fears it could leave vast swathes of the country ...

Residents in the Northeast and Midwest regions have both been told to prepare for the bad weather as separate storms roll in ...

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

Most of the US will enjoy milder temperatures on Thursday, but the warmup will be brief as a polar vortex will send temperatures tumbling below freezing for most of the nation starting this ...

The bitter weather—tied to an Arctic "polar vortex" blast ... (minus 31 degrees Celsius) over the weekend for some of the northernmost parts of the United States. President-elect Trump ...

Jan. 18: A polar vortex is set to impact much of the US. Click here for the latest update ... Areas of the southeast will see some snowfall over the weekend. According to the National Weather ...

The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole ... making places like the United States suddenly feel bone-chillingly cold.

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.

Intense snowy wintry weather in the US has been fuelled by activity of the polar vortex, slipping down to ... in many areas from time to time, but over a long period of time, several decades ...