But what exactly is it and how does it impact our weather? The polar vortex is like a giant, swirling pool of super-cold air in the upper atmosphere over the North Pole. Imagine it like a children ...

Polar air masses from Siberia are forecast to arrive ... It also turned out to be a year when the polar vortex, a natural phenomenon that develops in the polar regions during winter, got much ...

Get Pro-Level Earnings Insights Before the Market Moves An Arctic blast is set to hit most of the country this weekend and into next week as the polar vortex ... Siberian air is forecast to ...