Although the term polar vortex may seem relatively new ... Meanwhile, another snowstorm may form in Colorado, New Mexico and the southern Plains. This system has the potential to evolve into ...

Then on Friday, a polar vortex intrusion is likely to interrupt post-Thanksgiving travel in the eastern states. Denver and other parts of northeast Colorado will likely remain very cold into next ...

What’s behind these wild shifts? Bianchi pointed to a couple of key factors unique to Colorado’s climate. “The polar vortex up in the Arctic Circle often becomes dislodged, and that creates ...

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 ...

However, it's not all doom and gloom, with weather experts predicting that the record-breaking sunshine could persist for the ...

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 ...

lead meteorologist with the Weather Co., an IBM business. To be clear, forecasters aren’t expecting the cold to be as brutal as during the 2014 polar vortex, which was an extreme example of ...

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 ...