1 year ago
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A wintertime tempest packing precocious winds and perchance respective feet of snowfall blew into the Sierra Nevada connected Saturday, triggering thousands of powerfulness outages successful California, closing a upland road astatine Lake Tahoe and prompting an avalanche informing successful the backcountry. The tempest is expected to bring arsenic overmuch arsenic 4 feet of snowfall to the precocious elevations astir Lake Tahoe by Monday morning, the National Weather Service said.
A 250-mile agelong of the Sierra from northbound of Reno to southbound of Yosemite National Park was nether a wintertime tempest informing astatine slightest until Sunday.
"Travel volition beryllium precise hard to intolerable with whiteout conditions," the weather service said successful Reno, wherever rainfall started falling Saturday.
A flood advisory was successful effect from Sacramento to the California seashore adjacent San Francisco.
This representation from a Caltrans postulation camera shows snowfall conditions connected California SR-89 Snowman successful Shasta-Trinity National Forest, California, Dec. 10, 2022.
Caltrans via AP
The tempest volition interaction the California coastline into the southwest this play with "heavy to excessive rainfall on the Golden State coastal areas and wide dense snowfall from the Sierra into overmuch of the intermountain West," the National Weather Service said successful a statement. The excessive rainfall volition impact the cardinal California seashore connected Saturday, and Southern California astir the greater Los Angeles and San Diego areas connected Sunday.
The U.S. Forest Service issued an avalanche informing for the backcountry successful the mountains westbound of Lake Tahoe wherever it said "several feet of caller snowfall and beardown winds volition effect successful unsafe avalanche conditions."
A agelong of California Highway 89 was closed owed to dense snowfall betwixt Tahoe City and South Lake Tahoe, California, the road patrol said. Interstate 80 betwixt Reno and Sacramento remained unfastened but chains were required connected tires for astir vehicles.
More than 30,000 customers were without powerfulness successful the Sacramento country astatine 1 constituent Saturday morning. It had been restored to each but astir 3,300 by midday. But forecasters warned winds gusting up to 50 mph could bring down histrion branches and powerfulness lines aboriginal successful the day.
About 10 inches of snowfall already had fallen astatine Mammoth Mountain skis edifice southbound of Yosemite wherever much than 10 feet of snowfall has been recorded since aboriginal November.
"It conscionable seems similar each week oregon so, different large tempest rolls in," edifice spokeswoman Lauren Burke said.
The tempest informing stretches into Sunday for astir of the Sierra, and doesn't expire until Monday astir Tahoe.
As overmuch arsenic 18 to 28 inches of snowfall was forecast done the play astatine water level, and up to 4 feet astatine elevations supra 7,000 feet with 50 mph winds and gusts up to 100 mph.
On the Sierra's eastbound slope, a wintertime upwind advisory runs from 10 p.m. Saturday to 10 a.m. for Reno, Sparks and Carson City, with snowfall accumulations of 1 to 3 inches connected vale floors and up to 8 inches supra 5,000 feet.
The strategy volition go a "large-scale and important tempest aboriginal adjacent week" crossed the cardinal and confederate U.S. with dense snow, rainfall and terrible weather, according to the upwind service. The snowfall is expected to dispersed into the mountains of the cardinal Rockies and Arizona Sunday, with totals of 6 to 12 inches anticipated done aboriginal Monday morning, the upwind work said.
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