CNN CNN Newsroom Live December 9, 2021 09:52:00
Works in seconds, lasts for hours. millions in the western u.s. are about to see their first significant snowfall of the season. here's meteorologist derek van dam. >> winter has finally arrived over the western u.s. as a large and expansive storm system moves through the region today and through the weekend. winter weather advisories, winter storm warnings and winter storm watches in place. by the way, the shading of blue across the central plains and upper midwest, that's for the