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Storm Brings High Winds, Heavy Snow to Northern California

Link [2022-12-11 05:30:44]

A winter storm packing high winds and potentially several feet of snow blew into the Sierra Nevada on Saturday, triggering thousands of power outages in California, closing a mountain highway at Lake Tahoe, and prompting an avalanche warning in the backcountry. The storm is expected to bring as much as 1.2 meters of snow to the upper elevations around Lake Tahoe by Monday morning, the National Weather Service said. A 400-kilometer stretch of the Sierra from north of Reno to south of Yosemite National Park was under a winter storm warning at least until Sunday. "Travel will be very difficult to impossible with whiteout conditions," the weather service said in Reno, where rain started falling Saturday. A flood advisory was in effect from Sacramento to the California coast near San Francisco. The U.S. Forest Service issued an avalanche warning for the backcountry in the mountains west of Lake Tahoe where it said "several feet of new snow and strong winds will result in dangerous avalanche conditions." A stretch of California Highway 89 was closed because of heavy snow between Tahoe City and South Lake Tahoe, California, the highway patrol said. Interstate 80 between Reno and Sacramento remained open, but chains were required on tires for most vehicles. More than 30,000 customers were without power in the Sacramento area at one point Saturday morning. It had been restored to all but about 3,300 by midday. But forecasters warned winds gusting up to 80 kph could bring down tree branches and power lines later in the day. About 25 centimeters of snow already had fallen at Mammoth Mountain ski resort south of Yosemite where more than 3 meters of snow has been recorded since early November. "It just seems like every week or so, another major storm rolls in," resort spokeswoman Lauren Burke said. The storm warning stretches into Sunday for most of the Sierra and doesn't expire until Monday around Tahoe. As much as 45 to 71 centimeters of snow was forecast through the weekend at lake level, and up to 1.2 meters at elevations above 2,133 meters with 80 kph winds and gusts up to 160 kph. On the Sierra's eastern slope, a winter weather advisory runs from 10 p.m. Saturday to 10 a.m. for Reno, Sparks and Carson City, with snow accumulations of 2.5-7.5 cm on valley floors and up to 20 cm above 1,524 meters.

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