A historic cold event is unfolding across North America as a displaced polar vortex sends Arctic air surging southward with unprecedented force. Meteorologists warn that early December will bring the first of three successive waves of extreme cold,

An extreme cold alert was issued Thursday for Montgomery County following a forecast of freezing temperatures.

It’s cold now, but the next punch of Arctic air will take it to another level.

ATLANTA — December 1 is the first day of meteorological winter, and right on cue extreme cold and a powerful winter storm are poised to wreak havoc in the eastern half of the US. Over 70 million Americans are currently under weather advisories.

Bitter cold is taking hold across the U.S. on Thursday, with millions waking up to freezing temperatures and in some areas, sub-zero wind chills.

Hazardous winter weather was expected through early Wednesday, according to forecasters. The storm had dropped a wintry mix of precipitation across the Midwest overnight.

"Travel could be very difficult." Expert issues warning as US region set to be blasted by 'most likely extreme cold on Earth': 'Being released earlier and earlier' first appeared on The Cool Down.