Arctic Airmass Descends Over Continental US, Bringing Extreme Cold

Published on January 14, 2024

A blast of arctic air descending over the continental United States will see temperatures drop to the minus 30s early this week as winter makes a late but unmistakable arrival. After a week of winter storms, another low-pressure system in the northern Pacific is clashing with a frigid Arctic air mass that is pushing south over the continent from western Canada and is expected to bring the coldest conditions yet this season. Below-freezing conditions are forecast for 75 percent of the United States over the next few days. More than 30 million residents from California to New York were under winter weather advisories on Saturday....