The term “polar vortex” might conjure images of mythical icy storms swirling through the North Pole but in reality it’s a ...

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 ...