How the Polar Vortex Can Bring Arctic Blasts to the U.S. Vast weather patterns can carry blasts of frigid air far from the ...

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 Wall Street's Hottest Chart Every Morning An Arctic blast is set to hit most of the country this weekend and into next week as the polar vortex pushes ... Frigid Siberian air is forecast ...

Cold air from the arctic sometimes dips southward across the American plains. What to know about the polar vortex.

The bitterly cold air could also impact natural gas drilling and operations in the Marcellus Shale region of the Northeast." The arctic polar vortex has been forecast to push frigid winds across ...