The polar vortex has led to freezing temperatures ... and Arkansas, as well as Mississippi and Louisiana, where freeze warnings are also in place. 17 photos show Winter Storm Blair's arctic ...

The polar vortex of ultra-cold air usually spins around ... the middle of the week across the Central Plains and into the Mississippi and Ohio valleys. Many were in the dark as temperatures ...

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 ...

10th polar vortex of the season hits the U.S. Here’s what to know With record snow in New Orleans last month and drought and destructive wildfires in Southern California, this winter has not ...

The cause of the week-long deep freeze? A polar vortex collapse. Now, meteorologists are calling for another collapse in the middle of March, one that could plunge the U.S., Canada, and parts of ...

This is due to what meteorologists call the “polar vortex”, a jet stream of extremely cold air that forms and swirls around the Arctic during winter months. Normally, this vortex’s speed ...

The polar vortex is headed toward the US, expected to bring record-breaking cold to the Northeast, upper Midwest, and Great Lakes by this week. It's so cold that it could give people frostbite in ...

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 ...

Flames from gas-fed heaters are melting away snow and ice at railway intersections in Chicago. It helps to keep the trains running with fewer delays. The US deadly cold snap has caused ...

ABC13 spoke to an NOAA climatologist about the current condition of the polar vortex and where the bitter cold air could linger this winter. What's the polar vortex? Here's when we can forecast ...