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December 9, 2013 at 7:45 AM

Light snow forecast for Seattle; 1-3 inches inland

As the cold weather persists, spray from Snoqualmie Falls forms icicles on the cold rock walls surrounding the falls with the base pool filled with chunks of ice. Photographed in the morning when only a small patch of sunlight hits the upper rim, the surrounding area stays in a very cold shade. (Photo by Steve Ringman / The Seattle Times)

As the cold weather persists, spray from Snoqualmie Falls forms icicles on the cold rock walls surrounding the falls with the base pool filled with chunks of ice. Photographed in the morning when only a small patch of sunlight hits the upper rim, the surrounding area stays in a very cold shade. (Photo by Steve Ringman / The Seattle Times)

UPDATE 7:09 p.m| Although its Monday evening commute has ended without significant weather delays or disruptions, Metro Transit is cautioning that overnight snow and ice could affect bus service Tuesday morning. The regional transit agency asks passengers to check its weather alerts page for updates.

UPDATE 6:07 p.m.|  The cities of Bellevue and Everett report that municipal road crews are working overnight to deal with icy and snowy roadways.

Bellevue city crews applied anti-icer on bridge decks and other areas susceptible to freezing this morning, the city reported in a media advisory. Bellevue’s crews also plan to monitor the weather throughout the night and will respond  ”to any ice and snow related calls” as necessary.

Everett roads crews planned to work “overnight with our plows and sanding trucks to help keep roads clear,” city spokeswoman Marla Carter said in a media advisory.

In the event of snow, Everett will prioritize work on bridges, major arterials and bus routes before crews and plows move to secondary arterials and residential streets.

Officials for both cities warn drivers to allow extra time for Tuesday-mornings commutes.

UPDATE 5:55 p.m.| King County road crews will be out early tomorrow to deal with snowy and icy roads, especially in the Cascade foothill areas  that are expected to get up to 3 inches of snow tonight.

The county said in a press advisory today that crews have been “applying anti-icer to major arterials for a few days now, so that will help prevent ice build-up. But as a precaution, some crews will be brought in ahead of tomorrow morning’s commute to plow and sand, as necessary.”

UPDATE 5:40 p.m.|  The City of Seattle’s Transportation Department has posted online its Winter Weather brochure, which provides a map with alternative snow and ice routes, along with other useful phone numbers, websites and other information.  For more information, click here.

UPDATE 3:45 p.m. |  The National Weather Service in Seattle has issued a Winter Weather Advisory until noon tomorrow for east and southeast King County, with forecasts of 1 to 3 inches of snow.

Meteorologists expect parts of Seattle to get up to an inch of snow.  The snow is expected to turn to rain by late morning or early afternoon Tuesday, meteorologist Josh Smith said.

UPDATE 11:45 a.m. | A light snow was reported falling in the Lake Stevens area in Snohomish County.

UPDATE 11 a.m.: |   There’s a 30 percent chance of light snow in the Seattle metro area this afternoon, increasing to about 60 percent between midnight and 6 a.m. Tuesday, according to the National Weather Service.  Snow accumulations in most parts of the Puget Sound area are expected to be an inch or less, but could be higher in the Cascade foothills.

PREVIOUS POST: | A chance of snow and freezing drizzle – enough to create hazards for drivers – is on its way, if it hasn’t hit your area already.

Light snow fell early today along parts of the Washington Coast, and the chance of snow flurries in the Puget Sound will increase by mid-morning, said Chris Burke of the National Weather Service.

Precipitation is expected to be light, with most of Western Washington getting an inch or less of snow through today and Tuesday. Greater accumulations could occur in the Cascade foothills and in the mountains.

The forecast for Seattle-Tacoma International Airport calls for a chance of snow flurries after 10 a.m. today, and a 40 percent chance of snow tonight and Tuesday.

A greater threat to motorists could come Tuesday evening, with the possibility of freezing drizzle as the atmosphere gradually warms up.  Burke said warm, moist air moving in over a cold surface layer of air can create rain that freezes as it falls.

A “Special Weather Statement” issued this morning by the Weather Service notes that even in light amounts, freezing precipitation can cause hazardous conditions on untreated roads and sidewalks.

The map shows the high temperatures forecast for cities around Washington state today, Tues., Dec. 9, 2012. Source: National Weather Service

The map shows the high temperatures forecast for cities around Washington state today, Tues., Dec. 9, 2012.
Source: National Weather Service

By late Tuesday night, the cold air mass that’s been sitting on the Puget Sound area for several days is expected to have eroded, with temperatures rising into the 40s beginning Wednesday and running through the weekend.

Low temperatures overnight were 24 at Sea-Tac and 21 at Boeing Field.   If that seems cold to you, consider what your friends and relatives east of the Cascades are coping with: Overnight lows of 7 degrees in Pasco, 6 in Ellensburg and Spokane, 4 in Moses Lake and -1 in George.

0 Comments | More in General news, Weather Beat | Topics: snow, weather

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