Another arctic blast has sent temperatures plummeting across the United States, bringing “life-threatening” wind chills and ...
The polar vortex has returned to the U.S., and frostbite-inducing temperatures are blasting millions of Americans.
The National Weather Service warned of “life-threatening cold” into Tuesday, with temperatures in northeastern Montana ...
The level of cold may be record-breaking for some central ... There have been several polar vortex episodes across the United States this winter, with the mass of freezing air surging southward ...
The easy answer is a deep southward dip in the polar jet stream that typically rings the globe at higher latitudes but is ...