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

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582
WWUS46 KSEW 200537
WSWSEW

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
937 PM PST Sun Feb 19 2017

WAZ567-201100-
/O.EXT.KSEW.WW.Y.0013.000000T0000Z-170220T1100Z/
Cascades of Whatcom and Skagit Counties-
937 PM PST Sun Feb 19 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 AM PST MONDAY...

* SNOW ACCUMULATIONS...Additional snow accumulations up 4 inches
  through late tonight. Another system will bring accumulating
  snow, mainly Monday afternoon and evening.

* SOME AFFECTED LOCATIONS...Mount Baker.

* TIMING...Heaviest snowfall will occur tonight and taper toward
  morning. After a lull in snowfall Monday morning, additional
  snow is likely Monday afternoon and evening.

* MAIN IMPACT...Travel will be affected, especially tonight.

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.

&&

$$

WAZ568-569-201300-
/O.EXT.KSEW.WW.Y.0013.000000T0000Z-170221T0600Z/
Cascades of Snohomish and King Counties-
Cascades of Pierce and Lewis Counties-
937 PM PST Sun Feb 19 2017

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 PM PST MONDAY...

* SNOW ACCUMULATIONS...1 to 2 more inches may fall through around
  midnight with a break expected later tonight. Another system
  will bring additional 6 to 11 inches from Monday morning through
  Monday evening.

* SOME AFFECTED LOCATIONS...The volcanoes will receive the highest
  amounts. Less but still significant snow will fall in the
  highway passes.

* TIMING...Snow will taper off after midnight with some break in
  snowfall later tonight. Another round of snow will develop Monday
  morning and become heavy at times Monday afternoon and evening.

* MAIN IMPACT...Travel will be affected including all passes.

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. Call 5-1-1 for road information before departing over
passes.

&&

$$

www.weather.gov/seattle
Mercer



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