Alert archive / Washington / Blizzard Warnings in 2012

Blizzard Warning 1, NWS Seattle, WA

December 16, 2012

NWS Seattle, WA issued this blizzard warning at Dec 16, 2012, 2:05 PM PST. It took effect at Dec 16, 2012, 6:00 PM PST. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 16, 2012, 2:05 PM PST (22:05 UTC)
In effect from
Dec 16, 2012, 6:00 PM PST
Expired
Dec 17, 2012, 12:00 PM PST
In force
18 hr
Issued by
NWS Seattle, WA

The text

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

428 
WWUS46 KSEW 162205
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
205 PM PST SUN DEC 16 2012

WAZ519-170615-
/O.CAN.KSEW.WS.W.0023.121217T0200Z-121218T0200Z/
/O.NEW.KSEW.BZ.W.0001.121217T0200Z-121218T0200Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
205 PM PST SUN DEC 16 2012

...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM PST
MONDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM PST
MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. 

* SOME AFFECTED LOCATIONS...SNOQUALMIE PASS...STEVENS PASS...WHITE
  PASS...AND PARADISE.

* TIMING...STEADY SNOW WILL DEVELOP DURING THE DAY TODAY AND THEN
  BECOME HEAVY AT TIMES TONIGHT AND MONDAY. THE SNOW WILL TAPER
  OFF TO SHOWERS MONDAY EVENING. WIND WILL RAPIDLY INCREASE AFTER
  ABOUT 4 AM. WHITEOUT CONDITIONS WITH SIGNIFICANT BLOWING AND
  DRIFTING OF SNOW CAN BE EXPECTED 4 AM LATE TONIGHT THROUGH
  MONDAY AFTERNOON.
 
* WIND...30 TO 40 MPH WITH GUSTS TO 60 MPH IN THE PASSES. GUSTS 70
  TO 90 MPH ON EXPOSED RIDGES. 

* VISIBILITY...VISIBILITY WILL FALL TO NEAR ZERO AROUND 4 AM AND
  STAY BELOW 1/4 MILE IN SNOW AND BLOWING SNOW THROUGH MUCH OF
  MONDAY AFTERNOON.

* SNOW ACCUMULATIONS...1 TO 3 FEET OF SNOW IS LIKELY BY MONDAY
  EVENING. THERE WILL BE SIGNIFICANT DRIFTING OF THE SNOW.

* SNOW LEVEL...RISING TO 2500 FEET TONIGHT THEN FALLING TO 1500
  FEET MONDAY AFTERNOON.

* MAIN IMPACT...WHITEOUT CONDITIONS ARE EXPECTED DUE TO HEAVY SNOW
  AND STRONG WINDS LATE TONIGHT THROUGH MONDAY IN THE PASSES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

THIS IS AN EXTREMELY DANGEROUS SITUATION. CONSIDERABLE BLOWING
AND DRIFTING SNOW WILL CREATE WHITEOUT CONDITIONS AND MAKE
ROADWAYS IMPASSABLE. IF YOU BECOME STRANDED...THE SITUATION COULD
BECOME LIFE THREATENING.

&&

$$

WAZ513-170615-
/O.NEW.KSEW.BZ.W.0001.121217T0200Z-121218T0200Z/
/O.EXT.KSEW.WS.W.0023.000000T0000Z-121217T0200Z/
OLYMPICS-
205 PM PST SUN DEC 16 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM PST THIS
EVENING...
...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM PST
MONDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM PST
MONDAY. 

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE.

* TIMING...STEADY SNOW WILL DEVELOP OVER THE AREA TODAY AND 
  BECOME LOCALLY HEAVY AT TIMES TONIGHT AND MONDAY. THE HEAVIEST 
  SNOW THROUGH TONIGHT WILL BE ALONG SOUTH FACING SLOPES. BEHIND 
  THE LOW ON MONDAY...HEAVIER SNOW WILL FOCUS ALONG THE WEST 
  FACING SLOPES. EXPECT THE STEADY SNOW TO TAPER OFF TO SHOWERS 
  MONDAY NIGHT. 

* WIND...SOUTH TO SOUTHWEST WINDS WILL INCREASE TO 40 TO 60 MPH
  WITH GUSTS TO 75 MPH TONIGHT THEN TURN TO THE WEST AROUND 4 AM
  MONDAY. WIND WILL SLOWLY RELAX LATE MONDAY AFTERNOON.

* VISIBILITY...VISIBILITY WILL FALL TO NEAR ZERO IN SNOW AND
  BLOWING SNOW TONIGHT AND REMAIN LOW THROUGH MONDAY AFTERNOON.

* SNOW ACCUMULATIONS...4 TO 8 INCHES OF NEW SNOW IS LIKELY
  TODAY...WITH ANOTHER 12 TO 18 INCHES EXPECTED TONIGHT AND
  MONDAY.

* SNOW LEVEL...RISING TO 2500 FEET TONIGHT THEN FALLING TO 1500
  FEET MONDAY AFTERNOON.

* MAIN IMPACT...WHITEOUT CONDITIONS ARE EXPECTED DUE TO HEAVY SNOW
  AND STRONG WINDS TONIGHT THROUGH MONDAY AT HIGHER
  ELEVATIONS...INCLUDING HURRICANE RIDGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.


THIS IS AN EXTREMELY DANGEROUS SITUATION. CONSIDERABLE BLOWING
AND DRIFTING SNOW WILL CREATE WHITEOUT CONDITIONS AND MAKE
ROADWAYS IMPASSABLE. IF YOU BECOME STRANDED...THE SITUATION COULD
BECOME LIFE THREATENING.

&&

$$

WAZ518-170615-
/O.CON.KSEW.WS.W.0023.121217T0200Z-121218T0200Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
205 PM PST SUN DEC 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM PST MONDAY...

* SOME AFFECTED LOCATIONS...MOUNT BAKER.

* TIMING...STEADY SNOW WILL DEVELOP DURING THE DAY TODAY AND 
  THEN BECOME HEAVY AT TIMES TONIGHT AND MONDAY. THE SNOW WILL 
  TAPER OFF TO SHOWERS MONDAY EVENING. 

* SNOW ACCUMULATIONS...2 TO 4 INCHES TODAY. ANOTHER 1 TO 3 FEET OF
  SNOW IS LIKELY BY MONDAY EVENING. THE HEAVY SNOW WILL BE
  ACCOMPANIED BY 20 TO 40 MPH WINDS TONIGHT INTO MONDAY MORNING.

* SNOW LEVEL...RISING TO 2500 FEET TONIGHT THEN FALLING TO 1500
  FEET MONDAY AFTERNOON.

* MAIN IMPACT...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE
  EXPECTED THROUGH MONDAY.

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.

FOR ROAD CONDITIONS OR TRAVEL ALERTS...CALL 5-1-1 OR 1-800-695-
7623...OR VISIT WWW.WSDOT.WA.GOV.

&&

$$

ALBRECHT
WEATHER.GOV/SEATTLE
4 follow-up statements
100 
WWUS46 KSEW 170240
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
640 PM PST SUN DEC 16 2012

WAZ511-171045-
/O.EXB.KSEW.WS.W.0023.000000T0000Z-121217T1200Z/
HOOD CANAL AREA-
640 PM PST SUN DEC 16 2012

...WINTER STORM WARNING IN EFFECT UNTIL 4 AM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 4 AM PST
MONDAY.

* SOME AFFECTED LOCATIONS...HOODSPORT...BRINNON...SEABECK...UNION.

* TIMING...HEAVY WET SNOW WILL CONTINUE UNTIL ABOUT 4 AM WHEN
  PRECIPITATION WILL TURN TO RAIN.

* SNOW ACCUMULATIONS...2 TO 6 INCHES TONIGHT. LOCALLY HEAVIER
  AMOUNTS OVER 6 INCHES ARE POSSIBLE AROUND THE CENTRAL HOOD CANAL
  AREA.

* MAIN IMPACT...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE 
  EXPECTED THROUGH MONDAY. 

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.

FOR ROAD CONDITIONS OR TRAVEL ALERTS...CALL 5-1-1 OR 1-800-695-
7623...OR VISIT WWW.WSDOT.WA.GOV.

&&

$$

WAZ513-519-171045-
/O.CON.KSEW.BZ.W.0001.000000T0000Z-121218T0200Z/
OLYMPICS-WEST SLOPES CENTRAL CASCADES AND PASSES-
640 PM PST SUN DEC 16 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE...SNOQUALMIE
  PASS...STEVENS PASS...WHITE PASS...PARADISE RANGER STATION.

* TIMING...BLIZZARD CONDITIONS TONIGHT WILL CONTINUE THROUGH
  MONDAY AFTERNOON.

* WIND...SOUTHWEST TO WEST WINDS 40 TO 60 MPH WITH GUSTS TO 75 MPH
  TONIGHT WILL TURN TO THE WEST AROUND 4 AM MONDAY. WIND GUSTS 75
  TO 90 MPH CAN BE EXPECTED ON HIGHER RIDGES IN THE CENTRAL
  CASCADES. WIND WILL SLOWLY RELAX LATE MONDAY AFTERNOON.

* VISIBILITY...VISIBILITY WILL FALL TO NEAR ZERO IN SNOW AND 
  BLOWING SNOW TONIGHT AND REMAIN LOW THROUGH MONDAY AFTERNOON. 

* SNOW ACCUMULATIONS...12 TO 18 INCHES THROUGH MONDAY IN THE
  OLYMPICS AND 1 TO 3 FEET IN THE CENTRAL CASCADES THROUGH MONDAY
  EVENING.

* SNOW LEVEL...RISING TO 2500 FEET TONIGHT THEN FALLING TO 1500 
  FEET MONDAY AFTERNOON. 

* MAIN IMPACT...WHITEOUT CONDITIONS ARE EXPECTED DUE TO HEAVY SNOW
  AND STRONG WINDS TONIGHT THROUGH MONDAY AT HIGHER ELEVATIONS AND
  IN THE CENTRAL CASCADE PASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

THIS IS AN EXTREMELY DANGEROUS SITUATION. CONSIDERABLE BLOWING
AND DRIFTING SNOW WILL CREATE WHITEOUT CONDITIONS AND MAKE
ROADWAYS IMPASSABLE. IF YOU BECOME STRANDED...THE SITUATION COULD
BECOME LIFE THREATENING.

&&

$$

WAZ518-171045-
/O.CON.KSEW.WS.W.0023.000000T0000Z-121218T0200Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
640 PM PST SUN DEC 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* SOME AFFECTED LOCATIONS...MOUNT BAKER.

* TIMING...HEAVY SNOW TONIGHT WILL CONTINUE THROUGH MONDAY. SNOW
  WILL TAPER OFF MONDAY NIGHT.

* SNOW ACCUMULATIONS...1 TO 3 FEET OF SNOW IS LIKELY BY MONDAY
  EVENING. THE HEAVY SNOW WILL BE ACCOMPANIED BY 20 TO 40 MPH
  WINDS TONIGHT INTO MONDAY MORNING.

* SNOW LEVEL...RISING TO 2500 FEET TONIGHT THEN FALLING TO 1500 
  FEET MONDAY AFTERNOON. 

* MAIN IMPACT...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE 
  EXPECTED THROUGH MONDAY. 

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.

FOR ROAD CONDITIONS OR TRAVEL ALERTS...CALL 5-1-1 OR 1-800-695-
7623...OR VISIT WWW.WSDOT.WA.GOV.

&&

$$

ALBRECHT
WEATHER.GOV/SEATTLE
741 
WWUS46 KSEW 170753
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1153 PM PST SUN DEC 16 2012

WAZ511-170900-
/O.CAN.KSEW.WS.W.0023.000000T0000Z-121217T1200Z/
HOOD CANAL AREA-
1153 PM PST SUN DEC 16 2012

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WINTER
STORM WARNING. 

TEMPERATURES HAVE WARMED AND SNOW LEVELS ACROSS THE AREA HAVE
RISEN TO AROUND 2500 FEET. 2 TO 6 INCHES OF SNOW WERE REPORTED
ACROSS PORTIONS OF THE HOOD CANAL ZONE FROM JUST NORTH OF SHELTON
TO THE HOOD CANAL BRIDGE.

$$

WAZ513-519-171600-
/O.CON.KSEW.BZ.W.0001.000000T0000Z-121218T0200Z/
OLYMPICS-WEST SLOPES CENTRAL CASCADES AND PASSES-
1153 PM PST SUN DEC 16 2012

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE...SNOQUALMIE PASS... 
  STEVENS PASS...WHITE PASS...PARADISE RANGER STATION. 

* TIMING...BLIZZARD CONDITIONS OVER THE OLYMPICS WILL SPREAD INTO
  THE CASCADES LATE TONIGHT...AND WILL CONTINUE THROUGH MONDAY
  AFTERNOON.

* WIND...EXPECT SOUTHWEST TO WEST WINDS 40 TO 60 MPH WITH GUSTS TO
  75 MPH TONIGHT OVER THE OLYMPICS TO TURN TO THE WEST. WEST
  WINDS WILL INCREASE TO 35 MPH WITH GUSTS TO 60 MPH IN THE
  CASCADE PASSES LATE TONIGHT. WIND GUSTS 75 TO 90 MPH CAN BE
  EXPECTED ON HIGHER RIDGES IN THE CENTRAL CASCADES. WIND WILL
  SLOWLY RELAX LATE MONDAY AFTERNOON.

* VISIBILITY...VISIBILITY WILL FALL TO NEAR ZERO IN SNOW AND 
  BLOWING SNOW TONIGHT AND REMAIN LOW THROUGH MONDAY AFTERNOON. 

* SNOW ACCUMULATIONS...12 TO 18 INCHES THROUGH MONDAY IN THE 
  OLYMPICS AND 1 TO 3 FEET IN THE CENTRAL CASCADES THROUGH 
  MONDAY EVENING. 

* SNOW LEVEL...2000 TO 2500 FEET TONIGHT THEN FALLING TO 1500 FEET
  MONDAY AFTERNOON.

* MAIN IMPACT...WHITEOUT CONDITIONS ARE EXPECTED DUE TO HEAVY 
  SNOW AND STRONG WINDS TONIGHT THROUGH MONDAY AT HIGHER 
  ELEVATIONS AND IN THE CENTRAL CASCADE PASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

THIS IS AN EXTREMELY DANGEROUS SITUATION. CONSIDERABLE BLOWING
AND DRIFTING SNOW WILL CREATE WHITEOUT CONDITIONS AND MAKE
ROADWAYS IMPASSABLE. IF YOU BECOME STRANDED...THE SITUATION COULD
BECOME LIFE THREATENING.

&&

$$

WAZ518-171600-
/O.CON.KSEW.WS.W.0023.000000T0000Z-121218T0200Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
1153 PM PST SUN DEC 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST MONDAY...

* SOME AFFECTED LOCATIONS...MOUNT BAKER.

* TIMING...HEAVY SNOW TONIGHT WILL CONTINUE THROUGH MONDAY. SNOW 
  WILL TAPER OFF MONDAY NIGHT. 

* SNOW ACCUMULATIONS...1 TO 3 FEET OF SNOW IS LIKELY BY MONDAY 
  EVENING. THE HEAVY SNOW WILL BE ACCOMPANIED BY 20 TO 40 MPH 
  WINDS TONIGHT INTO MONDAY MORNING. 

* SNOW LEVEL...2000 TO 2500 FEET TONIGHT THEN FALLING TO 1500
  FEET MONDAY AFTERNOON.

* MAIN IMPACT...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE 
  EXPECTED THROUGH MONDAY. 

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.

FOR ROAD CONDITIONS OR TRAVEL ALERTS...CALL 5-1-1 OR 1-800-695-
7623...OR VISIT WWW.WSDOT.WA.GOV.

&&

$$

ALBRECHT
WEATHER.GOV/SEATTLE
695 
WWUS46 KSEW 171259
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
459 AM PST MON DEC 17 2012

WAZ519-172100-
/O.EXB.KSEW.WS.W.0023.121217T2000Z-121218T0200Z/
/O.EXT.KSEW.BZ.W.0001.000000T0000Z-121217T2000Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
459 AM PST MON DEC 17 2012

...BLIZZARD WARNING NOW IN EFFECT FOR THE CENTRAL CASCADES ABOVE
1000 FEET UNTIL NOON PST TODAY...
...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM PST THIS
EVENING.

* SOME AFFECTED LOCATIONS...SNOQUALMIE PASS...STEVENS PASS...
  WHITE PASS...AND PARADISE.

* WIND...WESTERLY 30 TO 45 MPH WITH GUSTS TO 65 MPH WILL DEVELOP
  EARLY THIS MORNING IN THE PASSES IN THE WAKE OF A STRONG FRONT.
  THE VERY STRONG WINDS WILL BEGIN DIMINISHING ABOUT MIDDAY.

* VISIBILITY...DOWN TO ZERO AT TIMES THIS MORNING DUE TO BLOWING
  OR DRIFTING SNOW. IMPROVING CONDITIONS CAN BE ANTICIPATED THIS
  AFTERNOON BUT SNOW SQUALLS WILL LIKELY CONTINUE.

* SNOW ACCUMULATIONS...ANOTHER 8 TO 12 INCHES IS LIKELY BY LATE
  TODAY.

* MAIN IMPACT...EXTREMELY DIFFICULT...POSSIBLY DANGEROUS...TRAVEL
  CONDITIONS CAN BE EXPECTED IN THE CASCADES TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. IF YOU MUST
TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

THIS IS AN EXTREMELY DANGEROUS SITUATION. CONSIDERABLE BLOWING
AND DRIFTING SNOW WILL CREATE WHITEOUT CONDITIONS AND MAKE
ROADWAYS IMPASSABLE. IF YOU BECOME STRANDED...THE SITUATION COULD
BECOME LIFE THREATENING.

&&

$$

WAZ513-172100-
/O.NEW.KSEW.WW.Y.0044.121217T2000Z-121218T0200Z/
/O.EXT.KSEW.BZ.W.0001.000000T0000Z-121217T2000Z/
OLYMPICS-
459 AM PST MON DEC 17 2012

...BLIZZARD WARNING NOW IN EFFECT FOR THE OLYMPICS ABOVE 1000 FEET
UNTIL NOON PST TODAY...
...WINTER WEATHER ADVISORY IN EFFECT FROM NOON TODAY TO 6 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT FROM NOON
TODAY TO 6 PM PST THIS EVENING.

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE.

* WIND...WESTERLY 30 TO 40 MPH WITH GUSTS TO 55 MPH CAN BE EXPECTED
  ACROSS SOME AREAS THIS MORNING. THE WINDS WILL DECREASE ABOUT
  MIDDAY.

* VISIBILITY...NEAR ZERO AT TIMES IN SOME AREAS THIS MORNING DUE
  TO BLOWING OR DRIFTING SNOW. AREAS OF BLOWING OR DRIFTING SNOW
  CAN BE EXPECTED THIS AFTERNOON BUT WITH LESS WIND...CONDITIONS
  WILL NOT BE AS POOR AS THIS MORNING.

* SNOW ACCUMULATIONS...ANOTHER 3 TO 6 INCHES IS LIKELY TODAY.

* MAIN IMPACT...HURRICANE RIDGE ROAD MIGHT BE CLOSED TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS
AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

THIS IS AN EXTREMELY DANGEROUS SITUATION. CONSIDERABLE BLOWING
AND DRIFTING SNOW WILL CREATE WHITEOUT CONDITIONS AND MAKE
ROADWAYS IMPASSABLE. IF YOU BECOME STRANDED...THE SITUATION COULD
BECOME LIFE THREATENING.

FOR THE STATUS OF HURRICANE RIDGE ROAD...CALL 360-565-3131 OR
VISIT WWW.NPS.GOV/OLYM/INDEX.HTM.

&&

$$

WAZ518-172100-
/O.CON.KSEW.WS.W.0023.000000T0000Z-121218T0200Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
459 AM PST MON DEC 17 2012

...WINTER STORM WARNING REMAINS IN EFFECT FOR THE NORTH CASCADES
ABOVE 1000 FEET UNTIL 6 PM PST THIS EVENING...

* SOME AFFECTED LOCATIONS...MOUNT BAKER.

* SNOW ACCUMULATIONS...ANOTHER 7 TO 10 INCHES IS LIKELY BY LATE
  TODAY.  

* MAIN IMPACT...HAZARDOUS WINTER DRIVING CONDITIONS CAN BE
  EXPECTED IN THE NORTH CASCADE PASSES TODAY. IN ADDITION...THERE
  COULD BE SOME LOCALIZED BLOWING OR DRIFTING SNOW AT THE HIGHER
  ELEVATIONS. 
 
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.

FOR ROAD CONDITIONS OR TRAVEL ALERTS...CALL 5-1-1 OR 1-800-695-
7623...OR VISIT WWW.WSDOT.WA.GOV.

&&

$$

WAZ505>507-510-172100-
/O.NEW.KSEW.WS.A.0019.121218T0600Z-121218T2000Z/
EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-ADMIRALTY INLET AREA-
459 AM PST MON DEC 17 2012

...WINTER STORM WATCH IN EFFECT FOR THE ADMIRALTY INLET AREA...
WESTERN SKAGIT LOWLANDS...WESTERN SNOHOMISH COUNTY LOWLANDS...AND
THE CASCADE FOOTHILLS IN SNOHOMISH COUNTY AND FAR NORTH KING
COUNTY FROM THIS EVENING THROUGH TUESDAY MORNING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH TUESDAY
MORNING. 

* SOME AFFECTED LOCATIONS...STANWOOD...OAK HARBOR...EVERETT...GOLD
  BAR...MILL CREEK...LAKE STEVENS...AND CARNATION.

* TIMING...A PUGET SOUND CONVERGENCE ZONE WILL DEVELOP LATER TODAY
  AND IS EXPECTED TO PERSIST THROUGH AT LEAST TUESDAY MORNING. ANY
  PRECIPITATION THAT FALLS TONIGHT THROUGH TUESDAY MORNING WILL
  MOST LIKELY BE IN THE FORM OF SNOW.

* SNOW ACCUMULATIONS...1 TO 4 INCHES OF SNOW IS POSSIBLE BUT THERE
  COULD BE LOCALLY HIGHER AMOUNTS IF A STRONG CONVERGENCE ZONE
  DEVELOPS. INITIALLY...THE SNOW WILL PROBABLY NOT STICK TO THE
  ROADS...ESPECIALLY IN THOSE AREAS CLOSE TO LARGE WATER BODIES.
  HOWEVER IF THERE IS A PROLONGED PERIOD OF MODERATE TO HEAVY
  SNOW...THE SNOW WILL LIKELY STICK TO THE ROADS.

* MAIN IMPACT...WINTER DRIVING CONDITIONS ARE POSSIBLE DURING THE
  TUESDAY MORNING COMMUTE. THUS RESIDENTS SHOULD BE PREPARED TO
  LEAVE FOR WORK EARLIER THAN NORMAL ON TUESDAY TO ALLOW FOR
  POSSIBLE DELAYS DUE TO SNOW.

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
521 
WWUS46 KSEW 172019
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1219 PM PST MON DEC 17 2012

WAZ519-180600-
/O.CAN.KSEW.WS.W.0023.000000T0000Z-121218T0200Z/
/O.EXP.KSEW.BZ.W.0001.000000T0000Z-121217T2000Z/
/O.EXB.KSEW.WW.Y.0044.000000T0000Z-121218T0800Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
1219 PM PST MON DEC 17 2012

...WINTER WEATHER ADVISORY IN EFFECT ABOVE 1000 FEET UNTIL
MIDNIGHT PST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...
...BLIZZARD WARNING HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* SOME AFFECTED LOCATIONS...STEVEN PASS...SNOQUALMIE PASS...WHITE
  PASS...PARADISE ON MOUNT RAINIER. 

* SNOW ACCUMULATIONS...AN ADDITIONAL 5 TO 10 INCHES IS LIKELY
  THROUGH THIS EVENING. THE HEAVIEST AMOUNTS WILL LIKELY BE NEAR
  STEVENS PASS.

* MAIN IMPACT...EXPECT WINTER WEATHER DRIVING CONDITIONS.

FOR THE STATUS OF HURRICANE RIDGE ROAD...CALL 360-565-3131 OR
VISIT WWW.NPS.GOV/OLYM/INDEX.HTM.

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.

&&

$$

WAZ518-180600-
/O.CAN.KSEW.WS.W.0023.000000T0000Z-121218T0200Z/
/O.EXB.KSEW.WW.Y.0044.000000T0000Z-121218T0800Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
1219 PM PST MON DEC 17 2012

...WINTER WEATHER ADVISORY IN EFFECT ABOVE 1000 FEET UNTIL
MIDNIGHT PST TONIGHT...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* SOME AFFECTED LOCATIONS...MOUNT BAKER.

* SNOW ACCUMULATION...AN ADDITIONAL 5 TO 10 INCHES OF SNOW IS
  LIKELY THROUGH THIS EVENING.

* MAIN IMPACT...EXPECT WINTER WEATHER DRIVING CONDITIONS.

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.

&&

$$

WAZ513-180600-
/O.EXP.KSEW.BZ.W.0001.000000T0000Z-121217T2000Z/
/O.EXT.KSEW.WW.Y.0044.000000T0000Z-121218T0800Z/
OLYMPICS-
1219 PM PST MON DEC 17 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT ABOVE 1000 FEET UNTIL
MIDNIGHT PST TONIGHT...
...BLIZZARD WARNING HAS EXPIRED...

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE.

* SNOW ACCUMULATIONS...AN ADDITIONAL 5 TO 10 INCHES IS LIKELY
  THROUGH THIS EVENING.

* MAIN IMPACT...HURRICANE RIDGE ROAD MIGHT BE CLOSED. FOR THE
  STATUS OF HURRICANE RIDGE ROAD...CALL 360-565-3131 OR VISIT
  WWW.NPS.GOV/OLYM/INDEX.HTM.

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.

&&

$$

WAZ505>507-510-180600-
/O.UPG.KSEW.WS.A.0019.121218T0600Z-121218T2000Z/
/O.NEW.KSEW.WW.Y.0045.121218T0600Z-121218T2000Z/
EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-ADMIRALTY INLET AREA-
1219 PM PST MON DEC 17 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
NOON PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO NOON PST TUESDAY. THE WINTER STORM WATCH IS NO LONGER
IN EFFECT.

* SOME AFFECTED LOCATIONS...STANWOOD...OAK HARBOR...EVERETT...
  GOLD BAR...MILL CREEK...LAKE STEVENS...AND CARNATION.

* TIMING...A PUGET SOUND CONVERGENCE ZONE WILL PERSIST THROUGH AT
  LEAST TUESDAY MORNING. PRECIPITATION THAT FALLS LATE THIS
  EVENING THROUGH TUESDAY MORNING WILL MOST LIKELY BE IN THE FORM
  OF SNOW.

* SNOW ACCUMULATIONS...UP TO 3 INCHES. THERE COULD BE LOCALLY HIGHER
  AMOUNTS IF A STRONG CONVERGENCE ZONE DEVELOPS.

* MAIN IMPACT...WINTER DRIVING CONDITIONS ARE POSSIBLE DURING 
  THE TUESDAY MORNING COMMUTE. THUS RESIDENTS SHOULD BE PREPARED 
  TO LEAVE FOR WORK EARLIER THAN NORMAL ON TUESDAY TO ALLOW FOR 
  POSSIBLE DELAYS DUE TO SNOW. 

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 16, 2:49 AM PSTGale WarningSEW42 hr
Dec 16, 2:49 AM PSTStorm WarningSEW33 hr
Dec 16, 3:20 AM PSTWinter Storm WarningSEW33 hr
Dec 16, 4:35 AM PSTHigh Wind WarningSEWSan Juan30 hr
Dec 16, 2:04 PM PSTCoastal Flood AdvisorySEWSan Juan21 hr
Dec 16, 2:04 PM PSTCoastal Flood AdvisorySEW16 hr
Dec 16, 2:04 PM PSTHigh Surf AdvisorySEW30 hr
Dec 16, 2:15 PM PSTWind AdvisorySEW20 hr

Nearby

Blizzard Warnings in Washington, 2012Every blizzard warning 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.