With over 170 million Americans facing below average temperatures, even colder air may be on the horizon thanks to the ...

The Arctic Oscillation is a metric used to describe the strength of the polar vortex, or mass of arctic air that rotates ...

The displaced polar vortex will bring prolonged periods of cold to the eastern portion of the Lower 48 through the end of ...

Syracuse is expecting a period of cold days and increased snow chances due to a 'stretching' of the Polar Vortex in the ...

The first cold wave will reach the East Coast on Thursday, followed by another surge of frigid air this weekend and more next ...

After several years of milder winters, this year Europe is again experiencing a “real” winter. There is snow cover across many European countries, and temperatures are below zero. This led to problems ...

Last month’s prolonged Arctic outbreak caused the coldest December in 15 years. Winter-weary Berkshire residents are ...

Major cities across the Northeast and Midwest are facing temperatures 10-20 degrees below average, according to forecasters.

Each of these lobes of the Polar Vortex will bring two or three days of bitterly cold, below-normal temperatures. We aren’t ...