According to the NWS, the Arctic polar vortex is a powerful band of west-to-east winds that develops in the stratosphere, about 10 to 30 miles above the North Pole, during the winter season. It is ...

commenting on the map. Meteorologist Ben Noll, who reports for the Washington Post, wrote on X: "Around 30 states and nearly 50 million people could experience temperatures below minus 10 degrees next ...

However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is bringing an even harsher arctic blast to million Americans this week. Maps show what to expect as the cold front ...