Alert archive / Washington / Winter Storm Warnings in 2012

Winter Storm Warning 2, NWS Seattle, WA

January 16, 2012San Juan County, Washington

NWS Seattle, WA issued this winter storm warning at Jan 16, 2012, 4:22 AM PST for San Juan County, Washington. It took effect at Jan 16, 2012, 10:17 AM PST. It was in force for 53 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jan 16, 2012, 4:22 AM PST (12:22 UTC)
In effect from
Jan 16, 2012, 10:17 AM PST
Expired
Jan 18, 2012, 3:26 PM PST
In force
53 hr
Issued by
NWS Seattle, WA

County San Juan County, WA

The radar

The Seattle radar (KATX), 54 km from the middle of the area, began a volume at 12:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jan 18, 7:00 AM PSTSNOW 3.5Friday Harbor, WAOVERNIGHT. ROAD CREWS SEEING 3-7 IN. SAN JUAN ISLAND LOCATIONS. MT. CONSTITUTION HAD 9 IN. OVER NIGHT.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Quillayute State, WA (KUIL), launched 12:00Z, 0.4 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Quillayute State, WA at 12:00Z on 2012-01-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Quillayute State, WA at 12:00Z on 2012-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 194 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
767 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
194 m²/s²
0-3 km storm-relative helicity
256 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

792 
WWUS46 KSEW 161222
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
422 AM PST MON JAN 16 2012

.THERE IS THE POTENTIAL FOR A MAJOR WINTER STORM FOR THE WESTERN
WASHINGTON LOWLANDS ON WEDNESDAY.

WAZ518-519-170000-
/O.NEW.KSEW.WS.W.0002.120117T0200Z-120118T0200Z/
/O.NEW.KSEW.WS.A.0001.120118T1400Z-120119T0800Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
422 AM PST MON JAN 16 2012

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
PST TUESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR NORTH AND CENTRAL WASHINGTON CASCADES...WHICH IS IN
EFFECT FROM 6 PM THIS EVENING TO 6 PM PST TUESDAY. A WINTER STORM
WATCH HAS ALSO BEEN ISSUED. THIS WINTER STORM WATCH IS IN EFFECT
FROM WEDNESDAY MORNING THROUGH WEDNESDAY EVENING.

* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE...DARRINGTON...
  INDEX...STEVENS PASS...PARADISE...AND MORTON.

* TIMING...TONIGHT AND TUESDAY.

* SNOW ACCUMULATIONS...ONE TO TWO FEET OF NEW SNOW BY LATE
  TUESDAY. ADDITIONAL SIGNIFICANT ACCUMULATIONS POSSIBLE WEDNESDAY.

* IMPACT...DIFFICULT DRIVING CONDITIONS DUE TO COMPACT SNOW AND
  ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR
IMMINENT. 

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.

&&

$$

WAZ516-517-170000-
/O.NEW.KSEW.WW.Y.0004.120116T1222Z-120117T1400Z/
/O.NEW.KSEW.WS.A.0001.120118T1400Z-120119T0200Z/
NORTH COAST-CENTRAL COAST-
422 AM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM PST TUESDAY...
...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE NORTH AND CENTRAL COAST...WHICH IS IN
EFFECT UNTIL 6 AM PST TUESDAY. A WINTER STORM WATCH HAS ALSO BEEN
ISSUED. THIS WINTER STORM WATCH IS IN EFFECT FROM WEDNESDAY
MORNING THROUGH WEDNESDAY AFTERNOON.

* SOME AFFECTED LOCATIONS...FORKS...PACIFIC BEACH...ABERDEEN...HOQUIAM.

* TIMING...TODAY AND TONIGHT.

* ACCUMULATIONS...UP TO TWO INCHES OF NEW SNOW TODAY...2 TO 3
  INCHES OF NEW SNOW TONIGHT. SIGNIFICANT ADDITION ACCUMULATIONS
  POSSIBLE WEDNESDAY MORNING.

* MAIN IMPACT...NEAR OR BELOW FREEZING TEMPERATURES WILL RESULT IN
  SOME ICY ROADS THIS MORNING AND AGAIN TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW IS ISSUED FOR THE LOWLANDS
WHEN 1 TO 3 INCHES IS LIKELY TO FALL IN 12 HOURS.

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.

&&

$$

WAZ001-503>515-170000-
/O.NEW.KSEW.WS.A.0001.120118T1400Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-
EAST PUGET SOUND LOWLANDS-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-SEATTLE/BREMERTON AREA-TACOMA AREA-
ADMIRALTY INLET AREA-HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-
OLYMPICS-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
422 AM PST MON JAN 16 2012

...WINTER STORM WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

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

* SOME AFFECTED
  LOCATIONS...SEATTLE...EVERETT...OLYMPIA...BELLINGHAM...PORT
  ANGELES.

* TIMING...WEDNESDAY INTO WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...SPECIFIC SNOW ACCUMULATIONS ARE TOUGH TO
  PIN DOWN AT THIS POINT BUT THE POTENTIAL FOR A SIGNIFICANT SNOW
  EVENT FOR THE LOWLANDS EXISTS WEDNESDAY INTO WEDNESDAY EVENING.

* MAIN IMPACT...WINTER DRIVING CONDITIONS EXPECTED.

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.

&&

$$
9 follow-up statements
473 
WWUS46 KSEW 161817
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1017 AM PST MON JAN 16 2012

.AN UPPER LEVEL WEATHER SYSTEM WILL MOVE ACROSS WESTERN
WASHINGTON TODAY GIVING LOCALLY HEAVY SNOW SHOWERS TO THE AREA. AN
ARCTIC FRONT WILL LIKELY DROP SOUTH THROUGH THE INTERIOR OF
WESTERN WASHINGTON LATER TONIGHT INTO TUESDAY MORNING AND MAY GIVE
HEAVY SNOW TO THE INTERIOR OF WESTERN WASHINGTON. THERE REMAINS A
POTENTIAL FOR A MAJOR WINTER STORM TO IMPACT THE LOWLANDS LATE
TUESDAY NIGHT THROUGH WEDNESDAY OR WEDNESDAY NIGHT.

WAZ516-517-170230-
/O.UPG.KSEW.WW.Y.0004.000000T0000Z-120117T1400Z/
/O.EXB.KSEW.WS.W.0002.120116T1817Z-120117T1400Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
NORTH COAST-CENTRAL COAST-
1017 AM PST MON JAN 16 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM PST TUESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW SHOWERS...WHICH IS IN EFFECT UNTIL 6 AM
PST TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.
A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING.

* SOME AFFECTED LOCATIONS...FORKS...PACIFIC BEACH...ABERDEEN... 
  HOQUIAM.

* TIMING...TODAY AND TONIGHT.

* ACCUMULATIONS...2 TO 7 INCHES OF NEW SNOW. HEAVIEST
  ACCUMULATIONS WILL BE AWAY FROM THE BEACHES AND ON HILLS ABOVE
  ABOUT 100 FEET. SIGNIFICANT ADDITION ACCUMULATIONS ARE POSSIBLE
  WEDNESDAY.

* MAIN IMPACT...NEAR OR BELOW FREEZING TEMPERATURES WILL RESULT IN
  SOME ICY ROADS...ESPECIALLY TONIGHT AND TUESDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED FOR THE LOWLANDS WHEN 4 INCHES OF
SNOW OR MORE IS LIKELY WITHIN 12 HOURS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

IF YOU MUST TRAVEL IN THE REA...CARRY AN EXTRA
FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ513-170230-
/O.EXB.KSEW.WS.W.0002.120116T1817Z-120118T0200Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
OLYMPICS-
1017 AM PST MON JAN 16 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 PM PST TUESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 PM PST
TUESDAY.

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...EXPECT 8 TO 18 INCH SNOWFALL ACCUMULATIONS
  THIS AFTERNOON THROUGH TONIGHT. ADDITIONAL SIGNIFICANT
  ACCUMULATIONS ARE LIKELY LATE TUESDAY NIGHT INTO WEDNESDAY
  EVENING.

* MAIN IMPACT...WINTER DRIVING CONDITIONS EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED WHEN A FOOT OF SNOW OR MORE IS
LIKELY IN 12 HOURS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA
FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ001-503-506-170230-
/O.EXB.KSEW.WS.W.0002.120116T1817Z-120117T1400Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
1017 AM PST MON JAN 16 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM PST TUESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM PST
TUESDAY. A WINTER STORM WATCH CONTINUES FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING.

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY
  HARBOR...ANACORTES AND MOUNT VERNON.

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...EXPECT 3 TO 7 INCHES OF SNOW TODAY THROUGH
  TONIGHT. SNOW LATE TONIGHT MAY BE ACCOMPANIED BY 20 TO 30 MPH
  NORTHEAST WINDS ACCOMPANIED BY BLOWING AND DRIFTING SNOW. THERE
  CONTINUES TO BE THE POTENTIAL FOR A SIGNIFICANT SNOW EVENT
  WEDNESDAY INTO WEDNESDAY EVENING.

* MAIN IMPACT...EXPECT TRAVEL DIFFICULTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED FOR THE LOWLANDS WHEN 4 INCHES OF
SNOW OR MORE IS LIKELY WITHIN 12 HOURS. HEAVY SNOW COMBINED WITH
GUSTY WINDS WILL RESULT IN HAZARDOUS DRIVING CONDITIONS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. 

IF YOU MUST TRAVEL THROUGH THIS AREA...CARRY AN EXTRA
FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ518-519-170230-
/O.EXT.KSEW.WS.W.0002.120116T1817Z-120118T0200Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
1017 AM PST MON JAN 16 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM PST TUESDAY...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE...
  DARRINGTON... INDEX...STEVENS PASS...PARADISE...AND MORTON. 

* TIMING...TODAY THROUGH TUESDAY.

* SNOW ACCUMULATIONS...ONE TO TWO FEET OF NEW SNOW BY LATE 
  TUESDAY. ADDITIONAL SIGNIFICANT ACCUMULATIONS POSSIBLE 
  WEDNESDAY. 

* IMPACT...DIFFICULT DRIVING CONDITIONS DUE TO COMPACT SNOW AND 
  ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING
OR IMMINENT.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER. 

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA
FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ505-507-510-514-515-170230-
/O.NEW.KSEW.WW.Y.0005.120116T1817Z-120117T0800Z/
/O.NEW.KSEW.WS.A.0002.120117T0800Z-120118T0000Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
1017 AM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT...
...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT. A WINTER STORM WATCH HAS ALSO BEEN ISSUED. THIS WINTER
STORM WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON. A WINTER STORM WATCH ALSO REMAINS IN EFFECT FOR LATE
TUESDAY NIGHT THROUGH WEDNESDAY EVENING.

* SOME AFFECTED LOCATIONS...EVERETT...MONROE...NORTH BEND AND
  ENUMCLAW.

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* ACCUMULATIONS...SNOW SHOWERS WILL GIVE 1 TO 3 INCHES OF NEW SNOW
  THIS AFTERNOON AND EVENING. ANOTHER 3 TO 7 INCHES ARE POSSIBLE
  LATE TONIGHT THROUGH TUESDAY. A THREAT OF ADDITIONAL SIGNIFICANT
  SNOW ACCUMULATION REMAINS FOR LATE TUESDAY NIGHT THROUGH
  WEDNESDAY EVENING.

* MAIN IMPACT...EXPECT TRAVEL DIFFICULTIES.

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.

A WINTER WEATHER ADVISORY FOR SNOW IS ISSUED FOR THE LOWLANDS WHEN
1 TO 3 INCHES IS LIKELY TO FALL IN 12 HOURS.

&&

$$

WAZ504-512-170230-
/O.NEW.KSEW.WW.Y.0005.120116T1817Z-120117T0800Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
1017 AM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL MIDNIGHT PST TONIGHT...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

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

* SOME AFFECTED LOCATIONS...OLYMPIA...CHEHALIS...MONTESANO.

* TIMING...TODAY THROUGH WEDNESDAY OR WEDNESDAY EVENING.

* ACCUMULATIONS...EXPECT 1 TO 3 INCHES OF SNOW IN SHOWERS TODAY
  AND ANOTHER INCH OR TWO TONIGHT. THERE REMAINS THE POTENTIAL FOR
  SIGNIFICANT SNOW ACCUMULATIONS LATE TUESDAY NIGHT THROUGH
  WEDNESDAY OR WEDNESDAY EVENING.

* MAIN IMPACT...EXPECT TRAVEL DIFFICULTIES.

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.

A WINTER WEATHER ADVISORY FOR SNOW IS ISSUED FOR THE LOWLANDS WHEN
1 TO 3 INCHES IS LIKELY TO FALL IN 12 HOURS.

&&

$$

WAZ508-509-511-170230-
/O.NEW.KSEW.WS.A.0002.120117T0800Z-120118T0000Z/
/O.EXT.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
1017 AM PST MON JAN 16 2012

...WINTER STORM WATCH IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON...
...WINTER STORM WATCH NOW IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY
AFTERNOON. 

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...BREMERTON...SHELTON.

* TIMING...LATE TONIGHT INTO WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...3 TO 7 INCH ACCUMULATIONS ARE POSSIBLE LATE
  TONIGHT INTO TUESDAY AFTERNOON. SIGNIFICANT ADDITIONAL
  ACCUMULATIONS ARE POSSIBLE LATE TUESDAY NIGHT THROUGH WEDNESDAY
  EVENING.

* MAIN IMPACT...MAJOR TRAVEL DIFFICULTIES ARE POSSIBLE.

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.

&&

$$

ALBRECHT
WEATHER.GOV/SEATTLE
403 
WWUS46 KSEW 162235
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
235 PM PST MON JAN 16 2012

.AN UPPER LEVEL WEATHER SYSTEM WILL MOVE ACROSS WESTERN
WASHINGTON TODAY GIVING LOCALLY HEAVY SNOW SHOWERS TO THE AREA.
COLD CONTINENTAL AIR DROPPING IN FROM THE NORTH WILL POSSIBLY HELP
FOCUS SNOW SHOWER ACTIVITY LATE TONIGHT THROUGH TUESDAY. THE
CHANCES FOR A MAJOR WINTER STORM MOVING INTO WESTERN WASHINGTON
LATE TUESDAY NIGHT THROUGH WEDNESDAY IS INCREASING.

WAZ513-518-519-170800-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120118T0200Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
235 PM PST MON JAN 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE... 
  DARRINGTON... INDEX...STEVENS PASS...PARADISE...AND MORTON. 

* TIMING...TODAY THROUGH TUESDAY.

* SNOW ACCUMULATIONS...ONE TO TWO FEET OF NEW SNOW BY LATE
  TUESDAY. ADDITIONAL SIGNIFICANT ACCUMULATIONS OF A COUPLE OF
  FEET ARE POSSIBLE ON WEDNESDAY.

* IMPACT...EXTREMEM WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW
  AND ICE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING
OR IMMINENT.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ516-517-170800-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
NORTH COAST-CENTRAL COAST-
235 PM PST MON JAN 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...FORKS...PACIFIC BEACH...ABERDEEN... 
  HOQUIAM. 

* TIMING...TODAY AND TONIGHT.

* ACCUMULATIONS...3 TO 5 INCHES OF NEW SNOW TONIGHT. HEAVIEST
  ACCUMULATIONS WILL BE AWAY FROM THE BEACHES AND ON HILLS ABOVE
  ABOUT 100 FEET. SIGNIFICANT ADDITION ACCUMULATIONS ARE POSSIBLE
  WEDNESDAY. WEDNESDAYS STORM MAY BRING 6 TO 10 INCHES OF SNOW.

* MAIN IMPACT...EXTREME WINTER DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED FOR THE LOWLANDS WHEN 4 INCHES
OF SNOW OR MORE IS LIKELY WITHIN 12 HOURS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

IF YOU MUST TRAVEL IN THE REA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ001-503-506-170800-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
235 PM PST MON JAN 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES AND MOUNT VERNON. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...EXPECT 2 TO 6 INCHES OF SNOW THROUGH LATE
  TONIGHT. SNOW LATE TONIGHT MAY BE ACCOMPANIED BY 20 TO 30 MPH
  NORTHEAST WINDS ACCOMPANIED BY BLOWING AND DRIFTING SNOW. THERE
  CONTINUES TO BE THE POTENTIAL FOR A SIGNIFICANT SNOW EVENT
  WEDNESDAY INTO WEDNESDAY EVENING. WEDNESDAYS STORM MAY BRING
  SNOWFALL ACCUMULATIONS OF 6 TO 12 INCHES...ACCOMPANIED WITH
  DRIFTING AND BLOWING SNOW.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED FOR THE LOWLANDS WHEN 4 INCHES
OF SNOW OR MORE IS LIKELY WITHIN 12 HOURS. HEAVY SNOW COMBINED
WITH GUSTY WINDS WILL RESULT IN HAZARDOUS DRIVING CONDITIONS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

IF YOU MUST TRAVEL THROUGH THIS AREA...CARRY AN EXTRA
FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ505-507-510-514-515-170800-
/O.CON.KSEW.WW.Y.0005.000000T0000Z-120117T0800Z/
/O.CON.KSEW.WS.A.0002.120117T0800Z-120118T0000Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
235 PM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...WINTER STORM WATCH REMAINS IN EFFECT FROM MIDNIGHT PST TONIGHT
THROUGH TUESDAY AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...EVERETT...MONROE...NORTH BEND AND 
  ENUMCLAW. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* ACCUMULATIONS...SNOW SHOWERS WILL GIVE UP TO 3 INCHES OF NEW
  SNOW TONIGHT. ANOTHER 2 TO 6 INCHES ARE POSSIBLE TUESDAY. THE
  HEAVIEST ACCUMULATIONS ON TUESDAY...IF IT OCCURS...WOULD BE
  AROUND THE HIGHER TERRAIN OF SOUTH SNOHOMISH COUNTY AND NEAR THE
  CASCADES IN THE EAST PUGET SOUND LOWLANDS. A SIGNIFICANT WINTER
  STORM WILL LIKELY BRING ADDITIONAL ACCUMULATIONS LATE TUESDAY
  NIGHT THROUGH WEDNESDAY NIGHT. WEDNESDAY STORM MAY BRING
  ACCUMULATIONS OF 6 TO 14 INCHES.

* MAIN IMPACT...EXPECT EXTREME WINTER TRAVEL CONDITIONS.

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.

A WINTER WEATHER ADVISORY FOR SNOW IS ISSUED FOR THE LOWLANDS
WHEN 1 TO 3 INCHES IS LIKELY TO FALL IN 12 HOURS.

&&

$$

WAZ504-512-170800-
/O.CON.KSEW.WW.Y.0005.000000T0000Z-120117T0800Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
235 PM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...OLYMPIA...CHEHALIS...MONTESANO.

* TIMING...TODAY THROUGH WEDNESDAY OR WEDNESDAY EVENING.

* ACCUMULATIONS...EXPECT 1 OR 2 INCHES OF SNOW IN SHOWERS TONIGHT.
  ADDITIONAL ACCUMULATIONS OF 1 TO 3 INCHES IS POSSIBLE ON TUESDAY
  IN SHOWERS. THERE REMAINS THE POTENTIAL FOR SIGNIFICANT SNOW
  ACCUMULATIONS LATE TUESDAY NIGHT THROUGH WEDNESDAY OR WEDNESDAY
  EVENING. WEDNESDAYS STORM MAY BRING SNOWFALL ACCUMULATIONS OF 6
  TO 14 INCHES.

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

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.

A WINTER WEATHER ADVISORY FOR SNOW IS ISSUED FOR THE LOWLANDS
WHEN 1 TO 3 INCHES IS LIKELY TO FALL IN 12 HOURS.

&&

$$

WAZ508-509-511-170800-
/O.CON.KSEW.WS.A.0002.120117T0800Z-120118T0000Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
235 PM PST MON JAN 16 2012

...WINTER STORM WATCH REMAINS IN EFFECT FROM MIDNIGHT PST TONIGHT
THROUGH TUESDAY AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...BREMERTON... 
  SHELTON.

* TIMING...SNOW ACCUMULATIONS ARE POSSIBLE TONIGHT THROUGH TUESDAY
  AS COOLER UNSTABLE AIR CONTINUES OVER THE AREA. LOCAL
  ACCUMULATIONS UP TO 3 INCHES ARE POSSIBLE. A MUCH MORE
  SIGNIFICANT WINTER STORM IS LIKELY LATE TUESDAY NIGHT THROUGH
  WEDNESDAY OR WEDNESDAY NIGHT. SNOW WITH THIS SYSTEM WILL BE
  WIDESPREAD AND HEAVY.

* SNOW ACCUMULATIONS...AT THIS TIME UP TO 3 INCHES ARE POSSIBLE ON
  TUESDAY. TEMPERATURES WILL REMAIN STEADY OR GRADUALLY FALL
  DURING THE AFTERNOON HOURS...SO ROADWAYS MAY FREEZE. A MUCH MORE
  SIGNIFICANT WINTER STORM IS LIKELY LATE TUESDAY NIGHT THROUGH
  WEDNESDAY EVENING. WEDNESDAYS STORM MAY BRING 6 TO 14 INCHES OF
  SNOW.

* MAIN IMPACT...EXTREME TRAVEL DIFFICULTIES ARE POSSIBLE.

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.

&&

$$

ALBRECHT
WEATHER.GOV/SEATTLE
350 
WWUS46 KSEW 170411
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
811 PM PST MON JAN 16 2012

.SNOW SHOWERS...LOCALLY HEAVY...WILL CONTINUE TONIGHT AND TUESDAY.
AFTER A BREAK TUESDAY NIGHT...A MAJOR WINTER STORM COULD MOVE INTO
WESTERN WASHINGTON FROM THE SOUTH WEDNESDAY.

WAZ505-507-510-514-515-171330-
/O.CAN.KSEW.WS.A.0002.120117T0800Z-120118T0000Z/
/O.EXT.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
811 PM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...EVERETT...MONROE...NORTH BEND AND 
  ENUMCLAW. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* ACCUMULATIONS...SNOW SHOWERS WILL GIVE 1 TO 3 INCHES OF NEW SNOW
  TONIGHT. ANOTHER 1 TO 3 INCHES ARE POSSIBLE TUESDAY. THE
  HEAVIEST ACCUMULATIONS ON TUESDAY ARE LIKELY TO BE AROUND THE
  HIGHER TERRAIN OF SOUTH SNOHOMISH COUNTY AND NEAR THE CASCADES
  IN THE EAST PUGET SOUND LOWLANDS. IN GENERAL SNOW SHOWERS WILL
  BE SPOTTY AND HIT OR MISS. A SIGNIFICANT WINTER STORM WILL
  LIKELY BRING WIDESPREAD HEAVY SNOW LATE TUESDAY NIGHT THROUGH
  WEDNESDAY NIGHT. THE WEDNESDAY STORM COULD BRING ACCUMULATIONS
  OF 6 TO 14 INCHES.

* MAIN IMPACT...EXPECT EXTREME WINTER TRAVEL CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

&&

$$

WAZ504-512-171330-
/O.UPG.KSEW.WW.Y.0005.000000T0000Z-120117T0800Z/
/O.EXA.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-
811 PM PST MON JAN 16 2012

...WINTER STORM WARNING IN EFFECT UNTIL 6 AM PST TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM PST 
TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

* SOME AFFECTED LOCATIONS...OLYMPIA...CHEHALIS...MONTESANO.

* TIMING...TODAY THROUGH WEDNESDAY OR WEDNESDAY EVENING.

* ACCUMULATIONS...3 TO 5 INCHES OF SNOW IN SHOWERS TONIGHT.
  ANOTHER 1 TO 3 INCHES IS POSSIBLE ON TUESDAY IN SHOWERS.
  SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE LATE TUESDAY NIGHT
  THROUGH WEDNESDAY...WITH NEW SNOW OF 6 TO 14 INCHES.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING
OR IMMINENT.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

&&

$$

WAZ513-518-519-171330-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120118T0200Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
811 PM PST MON JAN 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM PST
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE... 
  DARRINGTON... INDEX...STEVENS PASS...PARADISE...AND MORTON. 

* TIMING...TODAY THROUGH TUESDAY.

* SNOW ACCUMULATIONS...ONE TO TWO FEET OF NEW SNOW BY LATE 
  TUESDAY. ADDITIONAL SIGNIFICANT ACCUMULATIONS OF A COUPLE OF 
  FEET ARE POSSIBLE ON WEDNESDAY. 

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT 
  SNOW AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING
OR IMMINENT.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

&&

$$

WAZ516-517-171330-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
NORTH COAST-CENTRAL COAST-
811 PM PST MON JAN 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...FORKS...PACIFIC BEACH...ABERDEEN... 
  HOQUIAM. 

* TIMING...TODAY AND TONIGHT.

* ACCUMULATIONS...3 TO 5 INCHES OF NEW SNOW TONIGHT. HEAVIEST
  ACCUMULATIONS WILL BE AWAY FROM THE BEACHES AND ON HILLS ABOVE
  ABOUT 100 FEET. SIGNIFICANT ADDITION ACCUMULATIONS ARE POSSIBLE
  WEDNESDAY. THE WEDNESDAY STORM MAY BRING 6 TO 10 INCHES OF NEW
  SNOW.

* MAIN IMPACT...EXTREME WINTER DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED FOR THE LOWLANDS WHEN 4 INCHES
OF SNOW OR MORE IS LIKELY WITHIN 12 HOURS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

&&

$$

WAZ001-503-506-171330-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
811 PM PST MON JAN 16 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES AND MOUNT VERNON. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...EXPECT 2 TO 6 INCHES OF SNOW THROUGH LATE
  TONIGHT. A SIGNIFICANT SNOW EVENT IS POSSIBLE WEDNESDAY INTO
  WEDNESDAY EVENING. THE STORM WEDNESDAY MAY BRING NEW SNOWFALL OF
  6 TO 12 INCHES...POSSIBLY WITH DRIFTING AND BLOWING SNOW.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING IS ISSUED FOR THE LOWLANDS WHEN 4 INCHES
OF SNOW OR MORE IS LIKELY WITHIN 12 HOURS. HEAVY SNOW COMBINED
WITH GUSTY WINDS WILL RESULT IN HAZARDOUS DRIVING CONDITIONS.

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

&&

$$

WAZ508-509-511-171330-
/O.UPG.KSEW.WS.A.0002.120117T0800Z-120118T0000Z/
/O.EXB.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
811 PM PST MON JAN 16 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH WEDNESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW SHOWERS...WHICH IS IN EFFECT UNTIL 4 PM
PST TUESDAY.

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...BREMERTON... 
  SHELTON. 

* TIMING...SNOW ACCUMULATIONS ARE POSSIBLE TONIGHT THROUGH TUESDAY
  AS COOLER UNSTABLE AIR CONTINUES OVER THE AREA. LOCAL
  ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE. A MUCH MORE
  SIGNIFICANT WINTER STORM IS LIKELY LATE TUESDAY NIGHT THROUGH
  WEDNESDAY OR WEDNESDAY NIGHT. SNOW WITH THIS SYSTEM WILL BE
  WIDESPREAD AND HEAVY.

* MAIN IMPACT...EXTREME TRAVEL DIFFICULTIES ARE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

&&

$$
882 
WWUS46 KSEW 171300
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
500 AM PST TUE JAN 17 2012

.SNOW SHOWERS...LOCALLY HEAVY...WILL CONTINUE TODAY. AFTER A BREAK
THIS EVENING...A MAJOR WINTER STORM WILL MOVE INTO WESTERN
WASHINGTON FROM THE SOUTH LATE TONIGHT AND WEDNESDAY.

WAZ504-512-516-517-180000-
/O.CAN.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.UPG.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
/O.NEW.KSEW.WS.W.0003.120118T0800Z-120119T0800Z/
/O.EXA.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
SOUTHWEST INTERIOR-LOWER CHEHALIS VALLEY AREA-NORTH COAST-
CENTRAL COAST-
500 AM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT PST WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...OLYMPIA...CHEHALIS...MONTESANO
  ...FORKS...HOQUIAM.

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* ACCUMULATIONS...ANOTHER 1 TO 2 INCHES IS POSSIBLE TODAY IN
  SHOWERS. SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED LATE
  TONIGHT THROUGH WEDNESDAY EVENING...4 TO 14 INCHES WITH THE
  LOWER AMOUNTS ALONG THE CENTRAL COAST AND THE HIGHER AMOUNTS
  OVER THE SOUTHWEST INTERIOR.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ001-503-506-180000-
/O.CAN.KSEW.WS.W.0002.000000T0000Z-120117T1400Z/
/O.EXA.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
/O.CON.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
500 AM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY EVENING...

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES AND MOUNT VERNON. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...ANOTHER 1 TO 2 INCHES IS POSSIBLE TODAY IN
  SHOWERS. SIGNIFICANT SNOW ACCUMULATIONS ARE POSSIBLE LATE
  TUESDAY NIGHT THROUGH WEDNESDAY EVENING. 4 TO 8 INCHES OF NEW
  SNOW POSSIBLE ALONG WITH WINDY CONDITIONS RESULTING IN BLOWING
  AND DRIFTING SNOW.

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


A WINTER STORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE
WINTER WEATHER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL THROUGH THIS AREA...CARRY AN EXTRA
FLASHLIGHT...FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

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.

&&

$$

WAZ513-518-519-180000-
/O.CAN.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
/O.EXT.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
500 AM PST TUE JAN 17 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT PST
WEDNESDAY NIGHT...


* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE... 
  DARRINGTON... INDEX...STEVENS PASS...PARADISE...AND MORTON. 

* TIMING...TODAY THROUGH WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS...TWO TO THREE AND A HALF FEET OF NEW SNOW
  POSSIBLE BY WEDNESDAY EVENING. 

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ505-507>511-514-515-180000-
/O.UPG.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
/O.NEW.KSEW.WS.W.0003.120118T0800Z-120119T0800Z/
/O.CON.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-ADMIRALTY INLET AREA-
HOOD CANAL AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-
500 AM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT PST WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...BREMERTON... 
  SHELTON. 

* TIMING...TODAY THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...ANOTHER 1 TO 2 INCHES IS POSSIBLE TODAY IN
  SHOWERS. SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED LATE
  TONIGHT THROUGH WEDNESDAY EVENING WITH ANOTHER 5 TO 10 INCHES OF
  NEW SNOW POSSIBLE BY WEDNESDAY EVENING.

* MAIN IMPACT...EXPECT EXTREME TRAVEL DIFFICULTIES TO DEVELOP ON
  WEDNESDAY.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$
123 
WWUS46 KSEW 172335
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
335 PM PST TUE JAN 17 2012

.A MAJOR WINTER STORM WILL MOVE INTO WESTERN WASHINGTON FROM THE
SOUTH LATE TONIGHT AND WEDNESDAY...BRINGING WIDESPREAD HEAVY
SNOWFALL TO MUCH OF WESTERN WASHINGTON.

WAZ001-503-506-181300-
/O.CAN.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
/O.UPG.KSEW.WS.A.0001.120118T0800Z-120119T0800Z/
/O.NEW.KSEW.WW.Y.0006.120118T0800Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
335 PM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT PST WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM MIDNIGHT
TONIGHT TO MIDNIGHT PST WEDNESDAY NIGHT. 

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES AND MOUNT VERNON. 

* TIMING...LATE TONIGHT THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH WILL
  DEVELOP TONIGHT AND CONTINUE THROUGH WEDNESDAY OVER WESTERN
  WHATCOM COUNTY AND THE SAN JUAN ISLANDS. 

* WIND CHILL...FALLING TO NEAR ZERO DEGREES IN WESTERN WHATCOM
  COUNTY AND THE SAN JUAN ISLANDS.

* MAIN IMPACT...EXPECT EXTREME WINTER DRIVING CONDITIONS. BLOWING
  AND DRIFTING OF SNOW EXPECTED.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES. USE
CAUTION WHILE DRIVING.

&&

$$

WAZ504-505-507>512-514>517-181300-
/O.CAN.KSEW.WW.Y.0005.000000T0000Z-120118T0000Z/
/O.CON.KSEW.WS.W.0003.120118T0800Z-120119T0800Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-ADMIRALTY INLET AREA-
HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
NORTH COAST-CENTRAL COAST-
335 PM PST TUE JAN 17 2012

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO MIDNIGHT PST WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...EVERETT...BREMERTON...
  SHELTON...OLYMPIA...ABERDEEN...FORKS AND PORT ANGELES.

* TIMING...LATE TONIGHT THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...4 TO 14 INCHES OF SNOW ARE EXPECTED IN THE
  WARNED AREA. THE HIGHER END OF THIS RANGE SHOULD OCCUR OVER THE
  SOUTH SOUND NEAR OLYMPIA. THE SEATTLE METRO AREA AND THE CENTRAL
  COAST SHOULD RECEIVE 5 TO 10 INCHES. LESSER AMOUNTS OF 3 TO 5
  INCHES ARE EXPECTED IN THE EVERETT AREA...ALONG THE STRAIT OF
  JUAN DE FUCA...AND PARTS OF THE NORTH COAST.

* FREEZING RAIN...FREEZING RAIN IS POSSIBLE FROM THE CENTRAL COAST
  TO THE SOUTH SOUND AROUND MID-DAY ON WEDNESDAY. ICE
  ACCUMULATIONS OF UP TO ONE-TENTH OF AN INCH ARE POSSIBLE IN AN
  AREA STRETCHING FROM HOQUIAM TO OLYMPIA TO TACOMA.

* MAIN IMPACT...EXPECT EXTREME TRAVEL DIFFICULTIES TO DEVELOP ON 
  WEDNESDAY. 

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ513-518-519-181300-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
335 PM PST TUE JAN 17 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE... 
  DARRINGTON... INDEX...STEVENS PASS...PARADISE...AND MORTON. 

* TIMING...TODAY THROUGH WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS...TWO TO THREE FEET OF NEW SNOW EXPECTED BY
  WEDNESDAY EVENING.

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$
654 
WWUS46 KSEW 180702
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1102 PM PST TUE JAN 17 2012

.A MAJOR WINTER STORM WILL MOVE INTO WESTERN WASHINGTON FROM THE
SOUTH LATE TONIGHT AND WEDNESDAY...BRINGING WIDESPREAD HEAVY
SNOWFALL TO MUCH OF WESTERN WASHINGTON.

WAZ513-518-519-181330-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
1102 PM PST TUE JAN 17 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...MOUNT BAKER...CONCRETE... 
  DARRINGTON... INDEX...STEVENS PASS...PARADISE...AND MORTON. 

* TIMING...TODAY THROUGH WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS...TWO TO THREE FEET OF NEW SNOW EXPECTED BY 
  WEDNESDAY EVENING. 

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ504-505-507>512-514>517-181330-
/O.CON.KSEW.WS.W.0003.120118T0800Z-120119T0800Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-ADMIRALTY INLET AREA-
HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
NORTH COAST-CENTRAL COAST-
1102 PM PST TUE JAN 17 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...EVERETT... 
  BREMERTON... SHELTON...OLYMPIA...ABERDEEN...FORKS AND PORT 
  ANGELES. 

* TIMING...LATE TONIGHT THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...5 TO 10 INCHES OF SNOW IN THE SOUTHWEST
  INTERIOR. 4 TO 8 INCHES IN THE SEATTLE AREA INCLUDING HOOD CANAL
  AND THE EAST PUGET SOUND LOWLANDS. 3-5 INCHES OVER THE COAST AND
  NORTHERN ZONES INCLUDING THE STRAIT OF JUAN DE FUCA AREA.

* FREEZING RAIN...FREEZING RAIN IS POSSIBLE FROM THE CENTRAL COAST
  TO THE SOUTH SOUND WEDNESDAY AFTERNOON. LOCAL ICE ACCUMULATIONS
  OF UP TO ONE- TENTH OF AN INCH ARE POSSIBLE IN AN AREA
  STRETCHING FROM HOQUIAM TO OLYMPIA TO TACOMA.

* MAIN IMPACT...EXPECT EXTREME TRAVEL DIFFICULTIES TO DEVELOP ON 
  WEDNESDAY. 

&&

$$

WAZ001-503-506-181330-
/O.CON.KSEW.WW.Y.0006.120118T0800Z-120119T0800Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
1102 PM PST TUE JAN 17 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT PST
WEDNESDAY NIGHT...

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES AND MOUNT VERNON. 

* TIMING...LATE TONIGHT THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...1 TO 3 INCHES.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH 
  WILL DEVELOP TONIGHT AND CONTINUE THROUGH WEDNESDAY OVER 
  WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS. 

* WIND CHILL...FALLING TO NEAR ZERO DEGREES IN WESTERN WHATCOM 
  COUNTY AND THE SAN JUAN ISLANDS. 

* MAIN IMPACT...EXPECT EXTREME WINTER DRIVING CONDITIONS. BLOWING
  AND DRIFTING OF SNOW EXPECTED.

&&

$$
367 
WWUS46 KSEW 181333
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
533 AM PST WED JAN 18 2012

.A MAJOR WINTER STORM WILL MOVE INTO WESTERN WASHINGTON TODAY
BRINGING WIDESPREAD HEAVY SNOWFALL TO THE SOUTHERN PORTION OF
WESTERN WASHINGTON.

WAZ510-514>516-190000-
/O.CAN.KSEW.WS.W.0003.000000T0000Z-120119T0800Z/
/O.EXB.KSEW.WW.Y.0006.000000T0000Z-120119T0200Z/
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-
533 AM PST WED JAN 18 2012

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM PST THIS
EVENING...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER
WEATHER ADVISORY FOR WHICH IS IN EFFECT UNTIL 6 PM PST THIS
EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY
  HARBOR...ANACORTES...MOUNT VERNON...PORT ANGELES.

* TIMING...TODAY.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH
  WILL DEVELOP TONIGHT AND CONTINUE THROUGH WEDNESDAY OVER WESTERN
  WHATCOM COUNTY AND THE SAN JUAN ISLANDS.

* WIND CHILL...FALLING TO NEAR ZERO DEGREES IN WESTERN WHATCOM 
  COUNTY AND THE SAN JUAN ISLANDS. 

* MAIN IMPACT...EXPECT WINTER DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ518-181445-
/O.CAN.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
533 AM PST WED JAN 18 2012

...WINTER STORM WARNING IS CANCELLED...

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


$$

WAZ504-505-507>509-511-512-517-190000-
/O.EXT.KSEW.WS.W.0003.000000T0000Z-120119T0400Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-CENTRAL COAST-
533 AM PST WED JAN 18 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM PST THIS
EVENING...

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...EVERETT...
  BREMERTON... SHELTON...OLYMPIA...ABERDEEN.

* TIMING...LATE TONIGHT THROUGH WEDNESDAY EVENING.

* SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES
  OF SNOW IN THE SOUTHWEST INTERIOR. 4 TO 8 INCHES IN THE SEATTLE
  AREA INCLUDING HOOD CANAL AND THE EAST PUGET SOUND LOWLANDS AND OVER
  THE CENTRAL COAST.

* FREEZING RAIN...FREEZING RAIN IS POSSIBLE OVER THE SOUTH SOUND
  THIS AFTERNOON. LOCAL ICE ACCUMULATIONS OF UP TO ONE-TENTH OF AN
  INCH ARE POSSIBLE ALONG THE I-5 CORRIDOR BETWEEN OLYMPIA AND
  CHEHALIS.

* MAIN IMPACT...EXPECT EXTREME TRAVEL DIFFICULTIES TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ513-190000-
/O.EXT.KSEW.WS.W.0002.000000T0000Z-120119T0400Z/
OLYMPICS-
533 AM PST WED JAN 18 2012

...WINTER STORM WARNING NOW IN EFFECT UNTIL 8 PM PST THIS
EVENING...

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE.

* TIMING...TODAY THROUGH WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS...ADDITION 3 TO 6 INCHES OF SNOW TODAY.

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ519-190000-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
533 AM PST WED JAN 18 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...

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

* TIMING...TODAY INTO THIS EVENING.

* SNOW ACCUMULATIONS...ANOTHER 18 TO 30 INCHES OF NEW SNOW BY LATE
  TONIGHT.

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ001-503-506-190000-
/O.EXT.KSEW.WW.Y.0006.000000T0000Z-120119T0200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
533 AM PST WED JAN 18 2012

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 6 PM PST THIS
EVENING...

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES AND MOUNT VERNON. 

* TIMING...TODAY THROUGH THIS EVENING.

* SNOW ACCUMULATIONS...UP TO TWO INCHES.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL
  DEVELOP TODAY OVER WESTERN WHATCOM COUNTY AND THE SAN JUAN
  ISLANDS.

* WIND CHILL...FALLING TO NEAR ZERO DEGREES IN WESTERN WHATCOM 
  COUNTY AND THE SAN JUAN ISLANDS. 

* MAIN IMPACT...EXPECT WINTER DRIVING CONDITIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$
135 
WWUS46 KSEW 181433
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
633 AM PST WED JAN 18 2012

.A MAJOR WINTER STORM WILL MOVE INTO WESTERN WASHINGTON TODAY
BRINGING WIDESPREAD HEAVY SNOWFALL TO THE SOUTHERN PORTION OF
WESTERN WASHINGTON.

WAZ504-505-507>509-511-512-517-190000-
/O.CON.KSEW.WS.W.0003.000000T0000Z-120119T0400Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-CENTRAL COAST-
633 AM PST WED JAN 18 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING...

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...EVERETT...
  BREMERTON... SHELTON...OLYMPIA...ABERDEEN...MONTESANO...ELMA. 

* TIMING...THOUGH THIS EVENING.

* SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES IN
  THE SOUTHWEST INTERIOR AND 8 TO 16 INCHES OF NEW SNOW IN THE
  LOWER CHEHALIS VALLEY. 4 TO 8 INCHES IN THE SEATTLE AREA
  INCLUDING HOOD CANAL AND THE EAST PUGET SOUND LOWLANDS AND OVER
  THE CENTRAL COAST.

* FREEZING RAIN...FREEZING RAIN IS POSSIBLE OVER THE SOUTH SOUND 
  THIS AFTERNOON. LOCAL ICE ACCUMULATIONS OF UP TO ONE-TENTH OF 
  AN INCH ARE POSSIBLE ALONG THE I-5 CORRIDOR BETWEEN OLYMPIA 
  AND CHEHALIS. 

* MAIN IMPACT...EXPECT EXTREME TRAVEL DIFFICULTIES TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ519-190000-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
633 AM PST WED JAN 18 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST
TONIGHT...

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

* TIMING...TODAY INTO THIS EVENING.

* SNOW ACCUMULATIONS...ANOTHER 18 TO 30 INCHES OF NEW SNOW BY 
  LATE TONIGHT. 

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ513-190000-
/O.CON.KSEW.WS.W.0002.000000T0000Z-120119T0400Z/
OLYMPICS-
633 AM PST WED JAN 18 2012

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING...

* SOME AFFECTED LOCATIONS...HURRICANE RIDGE.

* TIMING...TODAY THROUGH WEDNESDAY NIGHT.

* SNOW ACCUMULATIONS...ADDITION 3 TO 6 INCHES OF SNOW TODAY.

* IMPACT...EXTREME WINTER DRIVING CONDITIONS DUE TO COMPACT SNOW 
  AND ICE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$

WAZ001-503-506-510-514>516-190000-
/O.CON.KSEW.WW.Y.0006.000000T0000Z-120119T0200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-
633 AM PST WED JAN 18 2012

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
EVENING...

* SOME AFFECTED LOCATIONS...BELLINGHAM...LYNDEN...FRIDAY 
  HARBOR...ANACORTES...MOUNT VERNON...PORT ANGELES. 

* TIMING...TODAY.

* WIND...NORTHEAST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH 
  WILL DEVELOP TONIGHT AND CONTINUE THROUGH WEDNESDAY OVER 
  WESTERN WHATCOM COUNTY AND THE SAN JUAN ISLANDS. 

* WIND CHILL...FALLING TO NEAR ZERO DEGREES IN WESTERN WHATCOM 
  COUNTY AND THE SAN JUAN ISLANDS. 

* MAIN IMPACT...EXPECT WINTER DRIVING CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

&&

$$
651 
WWUS46 KSEW 182326
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
326 PM PST WED JAN 18 2012

...A LIGHT WINTRY MIX OF PRECIPITATION WILL CONTINUE THIS
EVENING...

.THE MAIN BAND OF HEAVIER PRECIPITATION HAS MOVED SOUTH AND EAST
OF THE REGION. HOWEVER A SURFACE LOW REMAINS NEAR THE SOUTH
WASHINGTON COAST LATE TODAY AND WILL VERY SLOWLY MOVE EAST
TONIGHT. THIS LOW WILL MAINTAIN LIGHT WINTRY PRECIPITATION
OVER MOST OF WESTERN WASHINGTON THIS EVENING...GRADUALLY
DIMINISHING FROM THE NORTHWEST OVERNIGHT. TEMPERATURES NORTH OF
SEATTLE ARE COLD ENOUGH THAT THE PRECIPITATION WILL BE MAINLY
LIGHT SNOW. SOUTH OF SEATTLE TO AROUND OLYMPIA THERE WILL BE
AREAS OF FREEZING RAIN MIXED WITH THE SNOW AND SOUTH OF THERE
MOSTLY RAIN WITH POCKETS OF FREEZING RAIN. ACCUMULATIONS ACROSS ALL
AREAS WILL BE LIGHT...AMOUNTING TO LESS THAN AN INCH.

WAZ504-505-507>509-511-512-190800-
/O.CAN.KSEW.WS.W.0003.000000T0000Z-120119T0400Z/
/O.NEW.KSEW.WW.Y.0007.120118T2326Z-120119T0800Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-EVERETT AND VICINITY-
SEATTLE/BREMERTON AREA-TACOMA AREA-HOOD CANAL AREA-
LOWER CHEHALIS VALLEY AREA-
326 PM PST WED JAN 18 2012

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

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

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...EVERETT...
  BREMERTON... HELTON...OLYMPIA...ABERDEEN...MONTESANO...ELMA.

* TIMING...THOUGH THIS EVENING.

* ACCUMULATIONS...VERY LIGHT ACCUMULATIONS OF SNOW...TRACE TO LESS
  THAN AN INCH.

* FREEZING RAIN...AREAS OF FREEZING RAIN...MAINLY SOUTH OF SEATTLE
  WILL CAUSE LOCAL ACCUMULATIONS OF ICE THIS EVENING...GENERALLY
  ONE-TENTH OF AN INCH OR LESS. 

* MAIN IMPACT...EXPECT TRAVEL DIFFICULTIES TO CONTINUE THIS
  EVENING. 

IF YOU MUST TRAVEL IN THE AREA...CARRY AN EXTRA FLASHLIGHT...
FOOD...WATER...AND BLANKETS IN CASE OF EMERGENCY.

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 MAY BE SIGNIFICANT...THE WORD
ADVISORY MEANS THAT LIFE THREATENING WINTER WEATHER IS NOT
EXPECTED.

&&

$$

WAZ519-190030-
/O.CAN.KSEW.WS.W.0002.000000T0000Z-120119T0800Z/
WEST SLOPES CENTRAL CASCADES AND PASSES-
326 PM PST WED JAN 18 2012

...WINTER STORM WARNING IS CANCELLED...

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

THE HEAVY SNOW HAS TAPERED OFF THIS AFTERNOON ACROSS THE CENTRAL
CASCADES LEAVING BEHIND SOME LIGHT SNOW AND POCKETS OF FREEZING
RAIN...THEREFORE THE WINTER STORM WARNING HAS BEEN DISCONTINUED.
PERIODS OF LIGHT SNOW AND LOCAL FREEZING RAIN WILL CONTINUE WITH 1
TO 4 INCHES OF SNOW WILL EXPECTED THROUGH TONIGHT ACROSS THE
CASCADES.

$$

WAZ517-190030-
/O.CAN.KSEW.WS.W.0003.000000T0000Z-120119T0400Z/
CENTRAL COAST-
326 PM PST WED JAN 18 2012

...WINTER STORM WARNING IS CANCELLED...

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

THE HEAVY PRECIPITATION HAS MOVED EAST AND SOUTH OF THE CENTRAL
COAST LEAVING BEHIND VERY LIGHT SNOW...FREEZING RAIN AND RAIN.
LITTLE IF ANY ADDITIONAL ACCUMULATION IS EXPECTED THROUGH
TONIGHT...THEREFORE THE WINTER STORM WARNING HAS BEEN
DISCONTINUED FOR THE CENTRAL COAST.


$$

WAZ513-190030-
/O.CAN.KSEW.WS.W.0002.000000T0000Z-120119T0400Z/
OLYMPICS-
326 PM PST WED JAN 18 2012

...WINTER STORM WARNING IS CANCELLED...

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

THE HEAVY SNOWFALL HAS MOVED EAST OF THE REGION LEAVING BEHIND
PERIODS OF LIGHT SNOW. LITTLE IF ANY ADDITIONAL ACCUMULATION IS
EXPECTED THROUGH TONIGHT THEREFORE THE WINTER STORM WARNING FOR
THE OLYMPICS HAS BEEN DISCONTINUED. 

$$

WAZ001-503-506-510-514>516-190030-
/O.CAN.KSEW.WW.Y.0006.000000T0000Z-120119T0200Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
ADMIRALTY INLET AREA-EASTERN STRAIT OF JUAN DE FUCA-
WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-
326 PM PST WED JAN 18 2012

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE LIGHT SNOW WILL CONTINUE TO TAPER OFF TO SCATTERED FLURRIES
THIS EVENING WITH LITTLE IF ANY ADDITIONAL ACCUMULATIONS EXPECTED
THROUGH TONIGHT. THEREFORE THE WINTER WEATHER ADVISORY HAS BEEN
DISCONTINUED. 

$$

CERNIGLIA

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 16, 2:39 AM PSTSmall Craft AdvisorySEW3 days
Jan 16, 2:39 AM PSTSmall Craft Advisory for Hazardous SeasSEW7 hr
Jan 16, 4:22 AM PSTWinter Storm WatchSEWSan Juan35 hr
Jan 16, 4:22 AM PSTWinter Weather AdvisorySEW6 hr
Jan 16, 10:17 AM PSTWinter Storm WatchSEW10 hr
Jan 16, 10:17 AM PSTWinter Weather AdvisorySEWSan Juan29 hr

Nearby

Winter Storm Warnings in Washington, 2012Every winter storm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.