The pattern over the West Coast in the past week has been cold and active. Cold low pressures have been dropping out of the Gulf of Alaska bringing light amounts of snow and cold air. Several inches have piled up on the Cascades and the Sierra over the past week.
There will be a slight pattern change as the ridge of high pressure off the West Coast shifts West opening the storm door a little more for the Pacific Northwest. Several storm systems will move into the Pacific Northwest Thursday through the following Thursday dropping up to three to four feet on the Cascades.
There will be four distinct systems coming every other day dropping several inches to a foot each. Many areas of the West have been lacking big snowfall over the past month, so if you want deep powder you may want to head up to Washington or Oregon.
Further South, the Northern Sierra will catch the Southern edge of each system. We could see a dusting to a few inches of snow with the Saturday and Tuesday storms as far South as the Tahoe Basin. As we go into the second half of next week a ridge will be building over the West keeping California dry.
Bryan Allegretto is a Weather Forecaster for OpenSnow.com.
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