Add Yahoo as a preferred source to see more of our stories on Google. Parts of the Midwest will see astronomically low temperatures as the jet stream of the polar vortex pulls air from the north pole ...

Arctic air is already gripping much of the country, and the obvious concern for families from Atlanta to Albany is whether that deep freeze will surge into Georgia next. The polar vortex is being ...

When the polar vortex stumbles, the weather at ground level can pivot from mild to brutal in a matter of days. A circulation that usually spins quietly above the pole can suddenly send lobes of Arctic ...