US East Coast Feels Polar Vortex Blast That Chilled Midwest

Residents of the U.S. East Coast shivered on Thursday in blustery, frigid weather brought by a swirling cold air pattern called a polar vortex that earlier swept across the Midwest, with New England states facing wind-chill advisories. The arctic air, which has Boston facing possible record-low temperatures on Friday, began blowing south from Canada into the Midwest earlier in the week, prompting authorities to warn of the risk of frostbite and hypothermia. Two years ago, a southward...

© La Voix de l'Amérique - jeudi 15 décembre 2016