Expansive, prolonged period of winter weather across northwestern U.S.

Expansive, prolonged period of winter weather across northwestern U.S.

An expansive, prolonged period of winter weather is expected across portions of the northwestern U.S. through Friday, January 7, 2022, and not just over the higher terrain, NWS Weather Prediction Center warns.

An area of low pressure will track southeast along the western coast of Vancouver Island on Thursday and Thursday night, January 6, 2022, and then into northwest Washington by Friday.

The low pressure system is expected to produce several inches of snow across the mountain ranges and passes, along with widespread areas of moderate to heavy snowfall into the lowlands of northeast Washington.

Areas of freezing rain may result in light ice accretions, particularly from the southeast and south-central Washington into north-central Oregon along the Columbia River Gorge.

Heavy rain and rising snow levels will cause rising rivers and may produce flash flooding for the coastal Pacific Northwest, NWS warns.

Heavy snow will continue from the Northwest to the central Rockies, and into the Plains.

Featured image credit: NWS/WPC


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