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.
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 ...
Wind chill temperatures as low as -15 degrees anticipated in central Ohio during next week's polar vortex
The 10 Weather Impact team issued Alert Days for next week because of the polar vortex being responsible for the cold ...
Polar vortex to send bitter cold to the U.S. including DC area
The polar vortex is a ring of cold air that typically circles the Arctic. A strong jet stream essentially acts like a fence, ...
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 ...