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

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000
WWUS46 KSEW 050534
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
934 PM PST SUN DEC 4 2016

WAZ507-555-556-558-051400-
/O.CON.KSEW.WW.Y.0030.161205T1200Z-161205T2000Z/
/O.CON.KSEW.WS.A.0010.161206T0000Z-161206T1200Z/
EVERETT AND VICINITY-EAST PUGET SOUND LOWLANDS-BELLEVUE AND VICINITY-
SEATTLE AND VICINITY-
934 PM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON PST
MONDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH LATE MONDAY NIGHT...

* TIMING...SNOW SHOWERS WILL INCREASE MONDAY MORNING BETWEEN 4 AM
  AND NOON. SLIGHTLY WARMER TEMPERATURES WILL CHANGE THE SNOW TO
  MOSTLY RAIN SHOWERS BY AFTERNOON. COLDER AIR ARRIVES MONDAY
  EVENING WITH A CONVERGENCE ZONE POSSIBLY PRODUCING SNOW SHOWERS
  DOWN TO SEA-LEVEL THROUGH LATE MONDAY NIGHT.

* SNOW AMOUNTS...A TRACE TO TWO INCHES ABOVE ABOUT 500 FEET MONDAY
  MORNING. UP TO THREE INCHES ARE POSSIBLE IN SNOHOMISH COUNTY.
  MONDAY NIGHT...LOCALLY UP TO FOUR INCHES OF ADDITIONAL SNOW IS
  POSSIBLE FROM NORTH SEATTLE TO EVERETT AND EAST TO THE FOOTHILLS
  INCLUDING THE BELLEVUE AREA. SOME RECENT MODELS SHOW EVEN MORE
  SNOW IN THE CONVERGENCE ZONE. LITTLE OR NO SNOW ACCUMULATION
  ELSEWHERE AROUND THE METRO REGION NOT AFFECTED BY THE
  CONVERGENCE ZONE.

* SNOW LEVELS...MAINLY NEAR 500 FEET MONDAY MORNING WITH
  CONSIDERABLE VARIATION. SNOW LEVELS WILL RISE IN THE AFTERNOON.
  SNOW LEVELS WILL FALL TO SEA LEVEL MONDAY EVENING THROUGH LATE
  MONDAY NIGHT AS COLD NORTHERLY FRASER RIVER OUTFLOW DEVELOPS.

* IMPACTS...SLUSH ON SOME ROADWAYS MAY CAUSE SLIPPERY DRIVING
  CONDITIONS MONDAY MORNING. TEMPERATURES FALLING INTO THE UPPER
  20S MONDAY NIGHT WILL CAUSE ANY SNOW OR RECENT MOISTURE TO
  BECOME ICY DURING THE COMMUTES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW COULD
CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHILE DRIVING.

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE
TO MONITOR THE LATEST FORECASTS.

&&

$$

WAZ001-503-504-506-509>511-559-051400-
/O.CON.KSEW.WW.Y.0030.161205T1200Z-161205T2000Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
WESTERN SKAGIT COUNTY-TACOMA AREA-ADMIRALTY INLET AREA-
HOOD CANAL AREA-BREMERTON AND VICINITY-
934 PM PST SUN DEC 4 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO NOON PST
MONDAY...

* TIMING...MONDAY MORNING BETWEEN 4 AM AND NOON.

* SNOW AMOUNTS...UP TO TWO INCHES OF SNOW ABOVE 500 FEET. AREAS
  AROUND HOOD CANAL COULD RECEIVE UP TO THREE INCHES. ACCUMULATION
  LESS THAN ONE INCH BELOW 500 FEET.

* SNOW LEVELS...MAINLY NEAR 500 FEET.

* IMPACTS...HAZARDOUS DRIVING CONDITIONS ARE POSSIBLE DURING THE
  MORNING COMMUTE ON MONDAY MAINLY ON THE HIGHER HILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW COULD
CAUSE TRAVEL DIFFICULTIES. USE CAUTION WHILE DRIVING.

&&

$$

WAZ514-051400-
/O.CON.KSEW.WS.A.0010.161206T0000Z-161206T1200Z/
EASTERN STRAIT OF JUAN DE FUCA-
934 PM PST SUN DEC 4 2016

...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON
THROUGH LATE MONDAY NIGHT...

* TIMING...FRASER OUTFLOW WILL COLD NORTHEAST WINDS TO THE EASTERN
  STRAIT BY MONDAY EVENING. UP TO FOUR INCHES OF SNOW COULD FALL
  IN LOCALIZED UPSLOPE SNOWFALL.

* MAIN IMPACT...SLIPPERY ROADS EXPECTED MONDAY NIGHT AND TUESDAY
  MORNING WHERE ANY SNOW FALLS AS TEMPERATURES FALL BELOW FREEZING.
  BLACK ICE WILL ALSO BE POSSIBLE TUESDAY MORNING AND AGAIN
  WEDNESDAY MORNING WITH LOWS IN THE 20S.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE
TO MONITOR THE LATEST FORECASTS.

&&

WEATHER.GOV/SEATTLE

$$



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