01
Jan
SACRAMENTO, Calif. — A powerful storm brought torrential rain or heavy snow to much of California on Saturday, clogging traffic and closing roads as the state prepared to usher in a new year.High in the Sierra Nevada, up to 2 feet of snow could accumulate through early Sunday morning. The Sacramento National Weather Service warned of dangerous driving conditions and posted photos on Twitter showing traffic on snow-covered mountain passes, where vehicles were required to have chains or four-wheel drive.The so-called atmospheric river storm was carrying a long, wide column of moisture from the Pacific Ocean. Flooding and rock slides…