Polar vortex set to freeze U.S. as far as Deep South

Polar vortex air on the way; -20° wind chills possible for some
FOX59 Meteorologist Ethan Rosuck provided an update on the dangerous cold Indianapolis could see at the start of the work ...
Polar vortex to dump half a foot of snow on NYC, followed by deadly Arctic cold
A brutal polar vortex is set to bury the Big Apple in snow Sunday and then deliver deadly single-digit temperatures that will ...
The polar vortex will soon hit the U.S. See how cold it’ll get where you live
The most unusually cold air in the Northern Hemisphere will be over the United States early next week, bringing dangerously ...
How climate instability may be disrupting the polar vortex
These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...
Ask the Meteorologist: What is the polar vortex, and why do we care?
Stable polar vortex: When the stratosphere over the Arctic is cold, it's considered stable. The wind around the polar vortex ...
Temperatures in Chicago taking a polar plunge, with dangerous wind chills for the next few days
A piece of the polar vortex is spilling into the Midwest, creating extreme cold for the Chicago area and northwest Indiana ...
Bundle up! Temperatures expected to plummet Saturday night as polar vortex moves into area
A polar vortex is going to bring very cold air to much of southern Ontario, including Waterloo region, Guelph and Wellington ...
What is a polar vortex? Latest weather predictions as Tennessee faces hazardous cold air
It's going to get cold in Tennessee. Meteorologists predict freezing temperatures for much of the state. Here's the latest.