January has already been colder than average in most states east of the Rocky Mountains for the first time in two years — and now, more frigid air is coming. A lobe of the polar vortex ...

But for a huge swath of more populated land, from Alberta to Quebec in Canada, and the Pacific Northwest to the Northeast in the U.S., a polar vortex-linked series of frigid blasts await.

However, Accuweather's Long-Range Team continues to monitor the pent-up polar vortex, and there are signs of some changes coming at the middle of the month. For those waiting to get out on the ...

A polar vortex ... How long the coming collapse will last is uncertain, depending entirely on how strong and enduring the SSW is. The atmospheric warming may cause the vortex to become stretched ...

The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in coming days and ...

The polar vortex is headed toward the US ... So bundle up because "brutal cold is coming." Latest videos A triangle pointing right which indicates this type of media can be played.

This phenomenon results in the entry of cold air into our region, which will through the so-called gates of Vienna cause significant cooling in the Balkans, as well as in our country, starting ...

It is not, however, the second coming of a polar vortex, a phrase the National Weather Service's Chicago office tweeted earlier this week to describe the upcoming sweater weather. They quickly ...

from the Polar Vortex, into the Northern U.S., on Jan. 6, 2014. (Bloomberg) -- High in the atmosphere above the North Pole, a spike in temperatures may soon send bone-rattling chills spilling down ...