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

It’s going to be a rude awakening tomorrow — a full taste of winter, for sure,” National Weather Service meteorologist says ...

The polar vortex's blast of Arctic air from Canada brought the season's coldest weather to the majority of U.S. The vortex is ...

Imagine the polar vortex as a giant, icy whirlpool far above the Earth, keeping frigid Arctic air contained near the north ...

"This occurs fairly regularly during wintertime and is often associated with large outbreaks of Arctic air in the United States," NWS has said. Like the jet stream, the polar vortex spins around ...

When the polar vortex weakens, the jet stream can break off its usual path and cause colder air to push ... Salt and chemicals used to melt snow can irritate pets' paws, so make sure to wipe ...

When the polar vortex weakens, the jet stream can break off its usual path and cause colder air to push south, according to NOAA. During the polar vortex, temperatures could reach 12-25°F below ...