5 Regions Most at Risk From This Week's Polar Vortex

5 Regions Most at Risk From This Week's Polar Vortex

With La Niña conditions in place, some parts of the U.S. are already experiencing record cold temperatures—and more could be on the way. Meteorologists warn that this week will see yet another polar vortex hit the U.S., bringing frigid conditions along with it. Similar to last week’s record-cold recordings, the latest round of freezing temperatures is the result of a weather effect known as sudden stratospheric warming. When the typically strong…

Millions in the US brace for freezing temperatures and snow as weakened polar vortex drives Arctic cold

Forecasters say temperatures in parts of the Midwest and East Coast will fall well below normal, with winter storm warnings issued in areas likely to see snowfall.

Polar Vortex Shift Poised To Unleash More Bitter Cold Across The US Through Mid-December

By Alex Sosnowski, AccuWeather senior meteorologist Long after one blast of Arctic air pushed offshore last week, a new surge of cold air, driven by a breakdown of the polar vortex, expanded from central Canada and to the Midwest on Sunday and will finish up on the Atlantic coast on Tuesday. However, already a new blast of Arctic air is building and will sweep through much of the eastern United States later this week. The Arctic blasts won’t sto…