WESTERN WASHINGTON — Freezing rain in areas of Western Washington shut down runways at Sea-Tac Airport, suspended public transportation, caused road and freeway closures and cut power to thousands amid icy conditions on Friday.
>>PHOTOS: Icy conditions on Puget Sound-area roads
Showers of rain will be around Saturday morning in the lowlands as a another weather system increases and moves in from the west. This will bring heavy rain to the lowlands, especially in the afternoon.
This rainfall will serve to help melt snow and ice, but there is so much frozen stuff piled up in spots that water is likely to be blocked from draining, creating issues with urban flooding on roadways and flooding around homes where water will pool. Clear your storm drains and other drainages of snow and ice if possible before the heavy rain on Saturday.
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Winds will also be on the increase on Saturday and a Wind Advisory is up for Saturday for the coast and north/west of Everett where wind gusts over 50mph will be common. Elsewhere, wind gusts of 30mph can be expected. There will also be abnormally high tides (for Seattle around 6 a.m. and 4 p.m. Saturday) and we could see some tidal overwash and minor coastal flooding in locations susceptible to southerly/southwesterly winds.
In the passes, a quarter inch or more of ice in the form of freezing rain is expected through Saturday, so this is a particular danger and obstacle for pass travelers. In addition, snow will fall especially at Stevens Pass along with bouts of ice.
Stevens Pass is closed due to freezing rain and icy conditions with no estimated time for reopening as of 8 a.m. Travelers should be aware that even though the thaw will really be on Saturday around the lowlands of Western Washington, traveling into the mountains and east will be very difficult Saturday and even into Christmas Day.
In addition to the poor road conditions, avalanche danger is high on the east slopes of the Cascades from around Chelan to south of I-90.
For Christmas in the lowlands, expect occasional rain showers but not the heavy rain of Saturday. Highs will be around 50.
On Monday and Tuesday next week, more heavy rain is ahead with an atmospheric river associated with a large low pressure system in the Pacific. Rivers will be on the rise and even the passes will have just rain early next week.
The lowlands could receive 3-5 inches of rain by New Year’s weekend, with more in some upslope locations in the Cascades and Olympics.
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