A strong polar vortex and 'super' El Niño are developing, leaving experts split on how they could Tennessee winter.

The polar vortex is strengthening over the Arctic. Here's what meteorologists say it could mean for New Jersey's winter.

A stronger polar vortex is developing over the Arctic. Here's what it could mean for winter, including the role of a powerful El Niño.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A polar vortex could bring cold winds to much of the U.S. as the new ...

Every year, weather enthusiasts eagerly watch and wait for signs that the polar vortex, a mass of cold air spinning around the Arctic, might meander south, sending cold and snow into the lower ...