A strong atmospheric river will continue moderate to heavy rainfall with possible flooding, gusty to high winds, and mountain snows for parts of the northwest u.s Additional impacts are likely into friday with a cold front. Forecasts the expected snowfall amount, snow accumulation, and with snowfall radar. An area of low pressure is expected to move out of canada as the weekend approaches, ushering in the first taste of a la niña winter for much of the u.s. Otherwise, snow typically melts seasonally, causing runoff into streams and rivers and recharging groundwater Snow, the solid form of water that crystallizes in the atmosphere and, falling to the earth, covers, permanently or temporarily, about 23 percent of the earth’s surface.
Daily snow observations from ghcn stations are available using the pulldown menus below to select the state, month, and year of interest for either snowfall or snow depth data. Millions could see their first snowfall of the season this weekend as cold air brings the threat of snow to 13 states.
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