Winter Weather Warnings / Watches / Advisories
Issued by NWS Seattle/Tacoma, WA

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WWUS46 KSEW 291526
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
826 AM PDT Wed Mar 29 2017

WAZ567-292000-
/O.UPG.KSEW.WW.Y.0029.000000T0000Z-170329T1700Z/
/O.NEW.KSEW.WS.W.0009.170329T1526Z-170330T0700Z/
Cascades of Whatcom and Skagit Counties-
826 AM PDT Wed Mar 29 2017

...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT PDT TONIGHT...

The National Weather Service in Seattle has issued a Winter Storm
Warning for the west slopes of north Cascades including Whatcom
and Skagit counties, which is in effect until midnight PDT
tonight. The Winter Weather Advisory is no longer in effect.

* SNOW ACCUMULATIONS...An additional 6 to 12 inches of snow will
  fall through this evening. This is in addition to nearly 2 feet
  that fell since Tuesday morning at Mount Baker. Total
  accumulations will reach 2 to locally 3 feet by late this
  evening.

* SOME AFFECTED LOCATIONS...Higher elevations of the Mount Baker
  highway, State Route 542.

* TIMING...Snow will be heavy at times through this evening.
  Snowfall rates will likely be heaviest through this morning.

* SNOW LEVEL...Snow levels near 4000 feet may rise to near 5000
  feet during the afternoon, then fall back to 4000 feet by this
  evening.

* Main impact...Snow will cause difficult driving conditions
  above 4000 feet.

PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for
heavy snow means severe winter weather conditions are expected or
occurring. Significant amounts of snow are forecast that will make
travel dangerous. Only travel in an emergency. If you must
travel, keep an extra flashlight, food, and water n your vehicle
in case of an emergency. Call 5-1-1 for road conditions prior to
travel.


&&

$$

WAZ568-569-292000-
/O.NEW.KSEW.WW.Y.0030.170329T1526Z-170329T2000Z/
Cascades of Snohomish and King Counties-
Cascades of Pierce and Lewis Counties-
826 AM PDT Wed Mar 29 2017

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 1 PM PDT THIS
AFTERNOON...

The National Weather Service in Seattle has issued a Winter
Weather Advisory for the west slopes of the central Cascades
including Snohomish, King, Pierce, and Lewis counties, which is
in effect until 1 PM PDT this afternoon.

* SNOW ACCUMULATIONS...An additional 3 to 8 inches may fall before
  mixing with or changing to rain in the passes this afternoon.
  Snoqualmie and White pass will likely see amounts on the lower
  end of the range as a switch over to rain will occur there
  first. Further north, Stevens pass may get the higher amounts.

* SOME AFFECTED LOCATIONS...All passes including Snoqualmie,
  Stevens, and While pass in addition to the ski areas.

* TIMING...Snow will be heavy at times through midday before
  changing to rain. Snow levels near 3000 feet will rise to 4500
  feet or higher this afternoon.

* MAIN IMPACT...Travel through all mountain passes will be
  difficult, especially during the morning. Call 5-1-1 for road
  conditions before departing.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving.

&&

$$

www.weather.gov/seattle



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