CNN —An extremely-dangerous winter storm has arrived in California and will unload feet of snow, powerful winds and rare blizzard conditions in the mountains through the weekend. As snow continues to spread across California, so will strong winds and blizzard conditions. Snowfall rates are expected to reach extreme levels of 3 to 5 inches an hour from Friday through Saturday – especially along the Sierra Nevada. Heavy snow and roaring winds are expected to combine to produce rare and long-lasting blizzard conditions for much of the Sierra and parts of the northern ranges. Storm will provide much-needed boost to critical snowpackCalifornia’s Sierra Nevada snowpack got off to a slow start this winter.

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Persons: ” Snow, We’ve, Edan, Lindaman Organizations: CNN, National Weather Service, Pacific Northwest, Sierra, Yosemite, National Park Service, Rockies, Storm, Sierra Nevada snowpack, California’s Department of Water Resources, US Environmental Protection Agency Locations: California, Reno , Nevada, Pacific, Klamath, Sierra Nevada, Northern California, Sierra, Reno