The polar vortex of ultra-cold air usually stays penned up around the North Pole, spinning like a top. But sometimes it escapes or stretches down to the United States, Europe or Asia — and that’s when ...
More than 60 million people across the United States are under winter weather alerts as Winter Storm Blair unleashes a potent ...
Cold Weather alerts and Freeze alerts issued from New Mexico to Florida. Wind chills are near 20 degrees all the way south to ...
Seven states declare emergencies as 63 million hit by arctic blast and travel chaos - Hundreds of flights have been canceled ...