Polar vortex systems will bring dangerously cold weather to much of the U.S. this month. Learn how to stay safe, and which ...
The first of three rounds of bitter air has arrived, threatening record lows in cities from the Midwest to the Northeast.
Such events distort the polar vortex, which causes Arctic air to descend into the U.S. and causes temperatures to plummet.
A growing body of research indicates that polar vortexes are likely becoming more frequent due to the climate crisis.
Frigid Arctic air is pushing south into the United States, and fortunately, it doesn’t look like freezing temperatures will ...
A rare stratospheric event is forecast to unleash bone-chilling air from a weakening vortex across the US and New England, peaking during the first half of December.
The central and eastern United States are bracing for an extraordinary cold snap just ahead of Christmas, according to a ...
More Arctic air is building over northern Canada and will be directed into the United States, courtesy of the polar vortex. How long will the cold waves last? Will it stay cold through Christmas?