A polar vortex is slated to sweep most of the continental US bringing winter storm warnings and a hazardous freeze to ...
Americans have been warned to brace for more winter storms as Arctic winds are set to dump more ice and snow amid freezing temperatures.
However, a deep freeze, thanks to the polar vortex dipping down from Siberia, is about to bring even harsher arctic blast to nearly 300 million Americans starting this weekend. Maps show where and ...
Every few years or so, a dip in the jet stream allows this cold air to sink into the U.S. The last few visits from the polar vortex occurred in 2021, 2019, and 2014.
A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...