WASHINGTON (AP) — Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way ...
During winter in the Northern Hemisphere, the polar vortex can often expand and send cold air south, often referred to as an ...
After a brief lull that tempted some to declare the season finished, forecasters are warning that the atmosphere has other plans. A recharged polar vortex is poised to drive another round of bitter ...
While much of the eastern U.S. has been frozen by rounds of Arctic air and snow, the West has experienced weeks of unseasonable warmth, which has left many mountain ranges in a snow drought. A major ...
This winter’s harsh run in the East is intensifying, with some of the coldest air so far this season plunging into Vermont this weekend.