Alert archive / Washington / Winter Storm Watches in 2012

Winter Storm Watch 21, NWS Seattle, WA

December 23, 2012

NWS Seattle, WA issued this winter storm watch at Dec 23, 2012, 3:50 PM PST. It took effect at Dec 25, 2012, 2:00 AM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Dec 23, 2012, 3:50 PM PST (23:50 UTC)
In effect from
Dec 25, 2012, 2:00 AM PST
Expired
Dec 24, 2012, 3:36 PM PST
In force
Issued by
NWS Seattle, WA

The text

As transmitted, in the capitals the NWS used until 2016.

290 
WWUS46 KSEW 232350
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
350 PM PST SUN DEC 23 2012

...WINTER STORM WATCH FOR THE HOOD CANAL AREA...LOWER CHEHALIS
VALLEY AND PARTS OF THE SOUTHWEST INTERIOR CHRISTMAS DAY...

.A PACIFIC FRONTAL SYSTEM IS EXPECTED TO SPREAD MOISTURE OVER COOL
AIR IN PLACE CHRISTMAS MORNING WITH PRECIPITATION BEGINNING AS
SNOW BEFORE TURNING TO DAY LATER IN THE DAY.

WAZ511-241315-
/O.NEW.KSEW.WS.A.0021.121225T1200Z-121225T2300Z/
HOOD CANAL AREA-
350 PM PST SUN DEC 23 2012

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

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WATCH FOR THE HOOD CANAL AREA...WHICH IS IN EFFECT FROM LATE MONDAY
NIGHT THROUGH TUESDAY AFTERNOON.

* SOME AFFECTED LOCATIONS...SHELTON...BELFAIR...HOODSPORT

* TIMING...SNOW IS EXPECTED TO BEGIN EARLY CHRISTMAS MORNING AND
  CONTINUE INTO THE AFTERNOON BEFORE TURNING TO RAIN IN THE LOWER
  ELEVATIONS. 

* SNOW ACCUMULATIONS...4 TO 8 INCHES DURING THE DAY ARE POSSIBLE. 

* MAIN IMPACT...THE SNOW WILL PRODUCE DIFFICULT WINTER WEATHER
  DRIVING CONDITIONS AND MAY SAG SNOW-LADEN TREE LIMBS ONTO POWER
  LINES. 

* SNOW LEVEL...AROUND 200 FEET RISING TO 1000 FEET BY EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. IF YOU MUST TRAVEL IN THE WATCH AREA...CARRY AN
EXTRA FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF
EMERGENCY.

&&

$$

WAZ504-512-241315-
/O.NEW.KSEW.WS.A.0021.121225T1000Z-121225T2200Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
350 PM PST SUN DEC 23 2012

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

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WATCH FOR THE LOWER CHEHALIS VALLEY AND THE WESTERN PART OF THE
SOUTHWEST INTERIOR...WHICH IS IN EFFECT FROM LATE MONDAY NIGHT
THROUGH TUESDAY AFTERNOON.

* SOME AFFECTED LOCATIONS...MONTESANO...ELMA...MCCLEARY...PE ELL
  ...ROCHESTER 

* TIMING...SNOW IS EXPECTED TO BEGIN EARLY CHRISTMAS MORNING AND
  CONTINUE INTO THE AFTERNOON BEFORE TURNING TO RAIN IN THE LOWER
  ELEVATIONS.

* SNOW ACCUMULATIONS...3 TO 5 INCHES PRIMARILY IN WESTERN LEWIS
  AND THURSTON COUNTIES BEFORE TURNING TO RAIN.

* MAIN IMPACT...THE SNOW WILL PRODUCE ADVERSE WINTER WEATHER
  DRIVING CONDITIONS.

* SNOW LEVEL...200 TO 500 FEET RISING TO NEAR 1000 FEET DURING
  THE AFTERNOON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. IF YOU MUST TRAVEL IN THE WATCH AREA...CARRY AN
EXTRA FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF
EMERGENCY.

&&

$$

BUEHNER

WEATHER.GOV/SEATTLE
3 follow-up statements
599 
WWUS46 KSEW 241230
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
430 AM PST MON DEC 24 2012

WAZ511-242030-
/O.CON.KSEW.WS.A.0021.121225T1200Z-121225T2300Z/
HOOD CANAL AREA-
430 AM PST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FOR THE HOOD CANAL AREA
FROM LATE TONIGHT THROUGH TUESDAY AFTERNOON...

* SOME AFFECTED LOCATIONS...SHELTON...BELFAIR...BRINNON...
  SEABECK...AND HOODSPORT.

* TIMING...SNOW IS EXPECTED TO START EARLY CHRISTMAS MORNING AND
  CONTINUE THROUGHOUT THE DAY BEFORE CHANGING OVER TO RAIN OR A
  RAIN AND SNOW MIX. ABOVE THE 500 FOOT LEVEL...THE SNOW MIGHT NOT
  CHANGE OVER TO RAIN UNTIL DURING THE EVENING.

* SNOW ACCUMULATIONS...5 TO 10 INCHES IS POSSIBLE.

* MAIN IMPACT...TRAVEL MAY BECOME DIFFICULT DUE TO SNOWPACKED
  ROADS. IN ADDITION...THE HEAVY SNOW COULD CAUSE LOCAL POWER
  OUTAGES AND SNAP TREE LIMBS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. IF YOU MUST TRAVEL IN THE WATCH AREA...CARRY AN
EXTRA FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF
EMERGENCY.

&&

$$

WAZ504-512-242030-
/O.CON.KSEW.WS.A.0021.121225T1000Z-121225T2200Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
430 AM PST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FOR THE SOUTHWEST INTERIOR
AND LOWER CHEHALIS VALLEY FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

* SOME AFFECTED LOCATIONS...MONTESANO...ELMA...MCCLEARY... PE
  ELL...AND ROCHESTER.

* TIMING...PRECIPITATION IS EXPECTED TO START OFF AS SNOW EARLY
  CHRISTMAS MORNING BEFORE CHANGING OVER TO RAIN OR A RAIN AND
  SNOW MIX IN THE AFTERNOON.

* SNOW ACCUMULATIONS...3 TO 5 INCHES POSSIBLE...PRIMARILY IN
  WESTERN LEWIS AND THURSTON COUNTIES...WITH LOCALLY HIGHER
  AMOUNTS ABOVE THE 500 FOOT LEVEL.

* MAIN IMPACT...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO SNOW
  ON THE ROADS. IN ADDITION...THERE COULD BE LOCALIZED POWER
  OUTAGES DUE SNOW LADEN TREE LIMBS SAGGING ONTO POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. IF YOU MUST TRAVEL IN THE WATCH AREA...CARRY AN
EXTRA FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF
EMERGENCY.

&&

$$

WWW.WEATHER.GOV/SEATTLE
804 
WWUS46 KSEW 241346
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
546 AM PST MON DEC 24 2012

WAZ511-250045-
/O.CON.KSEW.WS.A.0021.121225T1200Z-121225T2300Z/
HOOD CANAL AREA-
546 AM PST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FOR THE HOOD CANAL AREA FROM
LATE TONIGHT THROUGH TUESDAY AFTERNOON...

* SOME AFFECTED LOCATIONS...SHELTON...BELFAIR...BRINNON... 
  SEABECK...AND HOODSPORT. 

* TIMING...SNOW IS EXPECTED TO START EARLY CHRISTMAS MORNING AND 
  CONTINUE THROUGHOUT THE DAY BEFORE CHANGING OVER TO RAIN OR A 
  RAIN AND SNOW MIX. ABOVE THE 500 FOOT LEVEL...THE SNOW MIGHT 
  NOT CHANGE OVER TO RAIN UNTIL DURING THE EVENING. 

* SNOW ACCUMULATIONS...5 TO 10 INCHES IS POSSIBLE.

* MAIN IMPACT...TRAVEL MAY BECOME DIFFICULT DUE TO SNOWPACKED 
  ROADS. IN ADDITION...THE HEAVY SNOW COULD CAUSE LOCAL POWER 
  OUTAGES AND SNAP TREE LIMBS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. IF YOU MUST TRAVEL IN THE WATCH AREA...CARRY AN
EXTRA FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF
EMERGENCY.

&&

$$

WAZ504-512-250045-
/O.CON.KSEW.WS.A.0021.121225T1000Z-121225T2200Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
546 AM PST MON DEC 24 2012

...WINTER STORM WATCH REMAINS IN EFFECT FOR THE SOUTHWEST INTERIOR
AND LOWER CHEHALIS VALLEY FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...

* SOME AFFECTED LOCATIONS...MONTESANO...ELMA...MCCLEARY... PE 
  ELL...AND ROCHESTER. 

* TIMING...PRECIPITATION IS EXPECTED TO START OFF AS SNOW EARLY 
  CHRISTMAS MORNING BEFORE CHANGING OVER TO RAIN OR A RAIN AND 
  SNOW MIX IN THE AFTERNOON. 

* SNOW ACCUMULATIONS...3 TO 5 INCHES POSSIBLE...PRIMARILY IN 
  WESTERN LEWIS AND THURSTON COUNTIES...WITH LOCALLY HIGHER 
  AMOUNTS ABOVE THE 500 FOOT LEVEL. 

* MAIN IMPACT...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO SNOW 
  ON THE ROADS. IN ADDITION...THERE COULD BE LOCALIZED POWER 
  OUTAGES DUE SNOW LADEN TREE LIMBS SAGGING ONTO POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. IF YOU MUST TRAVEL IN THE WATCH AREA...CARRY AN
EXTRA FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF
EMERGENCY.

&&

$$

WWW.WEATHER.GOV/SEATTLE
477 
WWUS46 KSEW 242336
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
336 PM PST MON DEC 24 2012

WAZ504-512-250745-
/O.UPG.KSEW.WS.A.0021.121225T1000Z-121225T2200Z/
/O.NEW.KSEW.WS.W.0025.121225T1000Z-121225T2200Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
336 PM PST MON DEC 24 2012

...WINTER STORM WARNING IN EFFECT FROM 2 AM TO 2 PM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT FROM 2 AM TO 2 PM PST TUESDAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* SOME AFFECTED LOCATIONS...ELMA...MCCLEARY...PE ELL...AND
  ROCHESTER.

* TIMING...PRECIPITATION IS EXPECTED TO START OFF AS SNOW EARLY 
  CHRISTMAS MORNING BEFORE CHANGING OVER TO RAIN OR A RAIN AND 
  SNOW MIX IN THE AFTERNOON. 

* SNOW ACCUMULATIONS...2 TO 5 INCHES POSSIBLE...PRIMARILY IN
  WESTERN LEWIS AND THURSTON COUNTIES AND CLOSE TO THE OLYMPICS IN
  GRAYS HARBOR COUNTY. HIGHEST AMOUNTS WILL BE ABOVE THE 500 FOOT
  LEVEL.

* MAIN IMPACT...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO SNOW 
  ON THE ROADS. IN ADDITION...THERE COULD BE LOCALIZED POWER 
  OUTAGES DUE SNOW LADEN TREE LIMBS SAGGING ONTO POWER LINES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING
OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNING AREA SHOULD BE
PREPARED FOR HAZARDOUS...WINTER CONDITIONS.

&&

$$

WAZ511-250745-
/O.UPG.KSEW.WS.A.0021.121225T1200Z-121225T2300Z/
/O.NEW.KSEW.WS.W.0025.121225T1200Z-121225T2300Z/
HOOD CANAL AREA-
336 PM PST MON DEC 24 2012

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 3 PM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT FROM 4 AM TO 3 PM PST TUESDAY.
THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* SOME AFFECTED LOCATIONS...SHELTON...BELFAIR...BRINNON...  
SEABECK...AND HOODSPORT.

* TIMING...SNOW IS EXPECTED TO START EARLY CHRISTMAS MORNING AND 
  CONTINUE THROUGHOUT THE DAY BEFORE CHANGING OVER TO RAIN OR A 
  RAIN AND SNOW MIX. ABOVE THE 500 FOOT LEVEL...THE SNOW MIGHT 
  NOT CHANGE OVER TO RAIN UNTIL DURING THE EVENING. 

* SNOW ACCUMULATIONS...5 TO 10 INCHES IS POSSIBLE...WITH A FOOT OF
  SNOW POSSIBLE AT HIGHER ELEVATIONS ALONG THE WEST SIDE OF THE CANAL.

* MAIN IMPACT...TRAVEL MAY BECOME DIFFICULT DUE TO SNOWPACKED 
  ROADS. IN ADDITION...THE HEAVY SNOW COULD CAUSE LOCAL POWER 
  OUTAGES AND SNAP TREE LIMBS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING
OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNING AREA SHOULD BE
PREPARED FOR HAZARDOUS...WINTER CONDITIONS.

&&

$$

WAZ508-509-250745-
/O.NEW.KSEW.WW.Y.0050.121225T1200Z-121225T2100Z/
SEATTLE/BREMERTON AREA-TACOMA AREA-
336 PM PST MON DEC 24 2012

...WINTER WEATHER ADVISORY IN EFFECT FOR THE BREMERTON AREA FROM
4 AM TO 1 PM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 AM TO 1 PM
PST TUESDAY.

* SOME AFFECTED LOCATIONS...BREMERTON...POULSBO...PORT
  ORCHARD...SILVERDALE. 

* TIMING...CHRISTMAS MORNING.

* ACCUMULATIONS...1 TO 3 INCHES...HIGHEST AMOUNTS WEST PART. 

* MAIN IMPACT...TRAVEL MAY BE DIFFICULT DUE TO SLIPPERY ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER
CONDITIONS SUCH AS FREEZING RAIN AND SNOW OCCURRING AT THE SAME
TIME. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
MEANS THAT LIFE THREATENING WINTER WEATHER IS NOT EXPECTED.

&&

$$

WAZ519-250745-
/O.NEW.KSEW.WW.Y.0050.121225T1200Z-121226T0500Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
336 PM PST MON DEC 24 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 9 PM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 4 AM TO 9 PM PST
TUESDAY.

* SOME AFFECTED LOCATIONS...PARADISE ON MOUNT RAINIER.

* TIMING...CHRISTMAS DAY AND EVENING.

* ACCUMULATIONS...4 TO 10 INCHES.

* MAIN IMPACT...TRAVEL WILL BE MORE DIFFICULT DUE TO SNOWY AND
  SLIPPERY ROADS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY IS ISSUED FOR A VARIETY OF WINTER WEATHER
CONDITIONS SUCH AS FREEZING RAIN AND SNOW OCCURRING AT THE SAME
TIME. WHILE THE WEATHER WILL BE SIGNIFICANT...THE WORD ADVISORY
MEANS THAT LIFE THREATENING WINTER WEATHER IS NOT EXPECTED.

&&

$$

The office that day

Everything else NWS Seattle, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 22, 10:35 PM PSTGale WarningSEW4 hr
Dec 23, 3:07 AM PSTGale WarningSEW6 hr
Dec 23, 3:07 AM PSTSmall Craft AdvisorySEW12 hr
Dec 23, 9:12 AM PSTGale WarningSEW3 hr
Dec 23, 2:43 PM PSTGale WatchSEW12 hr

Nearby

Winter Storm Watches in Washington, 2012Every winter storm watch in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.