Special NOAA Weather Statement for Dec 21st

Potential for Lowland Snow in Western Washington Friday, then again later this Holiday Weekend

A couple of systems will move across Western Washington over the next several days. One will move southeast across the region late tonight and Friday. Another will affect the region Sunday or Christmas Day. The air mass is expected to remain cool, so there is the potential that either of these systems could bring some snow to the lowlands.

The first system later tonight and Friday is expected to be weak. Snow levels are most likely to be below 500 feet from about Port Angeles to Everett and Enumclaw northward. Areas to the south of that line are likely to see snow levels at 1000 to 1500 feet. Snowfall, if it occurs, is expected to be light with amounts generally less than an inch.

A more significant system is expected to move into the area later Christmas Eve or on Christmas Day. The most likely locations of accumulating snow is on the North Coast and across the Olympic Peninsula to points north of Seattle. If the system moves a bit to the south, snowfall could extend into the south interior of Western Washington. If it is a bit to the north, the entire area could see just a cold rain.

Please monitor latest forecasts for the next several days for information on the threat of lowland snow. Forecasts will likely need to be fine-tuned as conditions evolve.


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