Alert archive / Washington / Snow Advisories in 2007

Snow Advisory 2, NWS Seattle, WA

January 9, 2007San Juan County, Washington

NWS Seattle, WA issued this snow advisory at Jan 9, 2007, 2:32 AM PST for San Juan County, Washington. It took effect at Jan 9, 2007, 2:56 PM PST. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued
Jan 9, 2007, 2:32 AM PST (10:32 UTC)
In effect from
Jan 9, 2007, 2:56 PM PST
Expired
Jan 10, 2007, 10:00 PM PST
In force
31 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 10:31 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.

The nearest sounding before it

Quillayute State, WA (KUIL), launched 00:00Z, 10.5 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 00:00Z on 2007-01-09Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Quillayute State, WA at 00:00Z on 2007-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 316 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
536 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
316 m²/s²
0-3 km storm-relative helicity
396 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.

000 
WWUS46 KSEW 091032
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
232 AM PST TUE JAN 9 2007

WAZ513-518-519-092000-
/O.NEW.KSEW.SN.Y.0002.070110T0000Z-070110T1200Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
232 AM PST TUE JAN 9 2007

...SNOW ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM
PST WEDNESDAY.

A STRONG COLD FRONT WILL MOVE INTO WESTERN WASHINGTON THIS
AFTERNOON BRINGING MORE SNOW TO THE MOUNTAINS. SNOW SHOULD
INCREASE OVER THE MOUNTAINS LATE IN THE AFTERNOON AND CONTINUE
THROUGH THE OVERNIGHT HOURS. THE HEAVIEST BURST OF SNOW IS
EXPECTED ALONG AND BEHIND THE COLD FRONT EARLY THIS EVENING. SNOW
LEVELS WILL START OFF RELATIVELY HIGH...4000 TO 5000 FEET BUT WILL
QUICKLY FALL TO 2000 FEET BY EARLY IN THE EVENING. SNOW
ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY EARLY WEDNESDAY
MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MERCER
11 follow-up statements
000 
WWUS46 KSEW 091944
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1144 AM PST TUE JAN 9 2007

WAZ513-518-519-100015-
/O.CON.KSEW.SN.Y.0002.070110T0000Z-070110T1200Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
1144 AM PST TUE JAN 9 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM PST WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
4 AM PST WEDNESDAY. 

A STRONG COLD FRONT WILL MOVE INTO WESTERN WASHINGTON...BRINGING
SNOW TO THE MOUNTAINS LATE THIS AFTERNOON AND TONIGHT. SNOW
ACCUMULATIONS OF 5 TO 10 INCHES ARE POSSIBLE BY WEDNESDAY MORNING.
SNOW LEVELS WILL START OFF AROUND 2500 FEET THIS AFTERNOON...AND
THEN FALL TO NEAR 1000 FEET WEDNESDAY MORNING. THE HEAVIEST BURST
OF SNOW IS EXPECTED ALONG AND JUST BEHIND THE FRONT EARLY THIS
EVENING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

GS
000 
WWUS46 KSEW 092256
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
256 PM PST TUE JAN 9 2007

WAZ001-503-506-100700-
/O.EXB.KSEW.SN.Y.0002.070110T1200Z-070110T2000Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
256 PM PST TUE JAN 9 2007

...SNOW ADVISORY IN EFFECT FROM 4 AM TO 12 PM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 12 PM PST WEDNESDAY. 

COLD AIR WILL MOVE INTO WESTERN WASHINGTON FOLLOWING THE STRONG
COLD FRONT THAT MOVED THROUGH LATE TUESDAY AFTERNOON. A WEATHER
DISTURBANCE WILL MOVE OVER WESTERN WASHINGTON WEDNESDAY
MORNING...SPREADING PRECIPITATION ACROSS THE ADVISORY AREA DURING
THE PRE-DAWN HOURS. THE SNOW WILL CONTINUE THROUGH THE MORNING
AND TAPER OFF AROUND MIDDAY.

SNOWFALL AMOUNTS ARE EXPECTED TO RANGE FROM A TRACE TO 1 INCH BY
DAWN...WITH AN ADDITIONAL 1 TO 3 INCHES EXPECTED DURING THE
REMAINING MORNING HOURS. THE SNOW WILL TAPER OFF TO SCATTERED
FLURRIES MIDDAY AS COLD AND DRIER AIR FILTERS INTO THE REGION.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ513-518-519-100700-
/O.CON.KSEW.SN.Y.0002.070110T0000Z-070110T1200Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
256 PM PST TUE JAN 9 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY. 

A STRONG COLD FRONT OVER THE PUGET SOUND WILL MOVE EAST OF THE
CASCADE MOUNTAINS EARLY THIS EVENING. COLD AIR WILL QUICKLY MOVE
IN BEHIND THIS FRONT...RAPIDLY LOWERING SNOW LEVELS TO AROUND 1000
FEET OVERNIGHT. THE RAIN AND SNOW WILL CHANGE TO MODERATE SNOW
SHOWERS THIS EVENING AND CONTINUE INTO THE MORNING HOURS.

SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY WEDNESDAY
MORNING. THE HEAVIEST BURST OF SNOW IS EXPECTED ALONG AND JUST
BEHIND THE FRONT EARLY THIS EVENING WITH THE SNOW SHOWERS TAPERING
OFF LATE TONIGHT. LIGHT SNOWFALL WILL CONTINUE OFF AND ON DURING
THE DAY WEDNESDAY...HOWEVER DAYTIME SNOW AMOUNTS WILL BE LIGHT.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CERNIGLIA
WWW.WEATHER.GOV/SEATTLE
000 
WWUS46 KSEW 100637
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1037 PM PST TUE JAN 9 2007

WAZ513-518-519-101200-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T1200Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
1037 PM PST TUE JAN 9 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST WEDNESDAY. 

STRONG WESTERLY FLOW COMBINED WITH COLD...MOIST AND UNSTABLE 
CONTINUE TO PRODUCE SNOW SHOWERS ACROSS THE MOUNTAINS...WHICH WILL
EASE UP SOME DURING THE EARLY MORNING HOURS. THE SNOW WILL BE
HEAVIEST NEAR THE KING AND SNOHOMISH COUNTY BORDER...THE STEVENS
PASS AREA...DUE TO THE CONVERGENCE ZONE REMAINING IN THAT REGION.
SNOW LEVELS WILL REMAIN BELOW 1000 FEET.

TOTAL SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED BY
WEDNESDAY MORNING....WITH THE HEAVIEST AMOUNTS NEAR STEVENS PASS.
LIGHT SNOWFALL WILL CONTINUE OFF AND ON DURING THE DAY
WEDNESDAY...HOWEVER DAYTIME SNOW AMOUNTS WILL BE LIGHT.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ001-503-506-101200-
/O.CON.KSEW.SN.Y.0002.070110T1200Z-070110T2000Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
1037 PM PST TUE JAN 9 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM TO 12 PM PST
WEDNESDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 4 AM TO 12 PM PST
WEDNESDAY. 

A WEATHER DISTURBANCE WILL MOVE OVER WESTERN WASHINGTON WEDNESDAY
MORNING...SPREADING SNOW ACROSS THE ADVISORY AREA DURING THE PRE-
DAWN HOURS. THE SNOW WILL CONTINUE THROUGH THE MORNING AND TAPER
OFF AROUND MIDDAY.

SNOWFALL AMOUNTS ARE EXPECTED TO RANGE FROM A TRACE TO 1 INCH BY
DAWN...WITH AN ADDITIONAL 1 TO 3 INCHES EXPECTED DURING THE
REMAINING MORNING HOURS. THE SNOW WILL TAPER OFF TO SCATTERED
FLURRIES MIDDAY AS COLD AND DRIER AIR FILTERS INTO THE REGION.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CERNIGLIA
WWW.WEATHER.GOV/SEATTLE
000 
WWUS46 KSEW 101024
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
224 AM PST WED JAN 10 2007

WAZ513-518-519-101130-
/O.CAN.KSEW.SN.Y.0002.000000T0000Z-070110T1200Z/
OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
224 AM PST WED JAN 10 2007

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS CANCELLED THE SNOW
ADVISORY. SNOW SHOWERS WILL CONTINUE ACROSS THE CASCADES OF
WESTERN WASHINGTON TODAY BUT AMOUNTS WILL NOT REACH ADVISORY
CRITERIA. EXPECT ANOTHER 2 TO 5 INCHES OF SNOW TODAY. 

$$

WAZ507-102000-
/O.EXA.KSEW.SN.Y.0002.070110T1200Z-070110T2000Z/
EVERETT AND VICINITY-
224 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL NOON PST TODAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL NOON PST TODAY. 

A WEATHER DISTURBANCE WILL MOVE OVER WESTERN WASHINGTON THIS
MORNING...SPREADING SNOW ACROSS THE ADVISORY AREA DURING THE PRE-
DAWN HOURS. THE SNOW WILL CONTINUE THROUGH THE MORNING AND TAPER
OFF AROUND MIDDAY.

SNOWFALL AMOUNTS ARE EXPECTED TO RANGE FROM A TRACE TO 1 INCH BY
DAWN...WITH AN ADDITIONAL 1 TO 2 INCHES EXPECTED DURING THE
REMAINING MORNING HOURS. THE SNOW WILL TAPER OFF TO SCATTERED SNOW
SHOWERS MIDDAY AS COLD AND DRIER AIR FILTERS INTO THE REGION.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ001-503-506-102000-
/O.CON.KSEW.SN.Y.0002.070110T1200Z-070110T2000Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
224 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY. 

A WEATHER DISTURBANCE WILL MOVE OVER WESTERN WASHINGTON THIS 
MORNING...SPREADING SNOW ACROSS THE ADVISORY AREA DURING THE PRE-
DAWN HOURS. THE SNOW WILL CONTINUE THROUGH THE MORNING AND TAPER
OFF AROUND MIDDAY.

SNOWFALL AMOUNTS ARE EXPECTED TO RANGE FROM A TRACE TO 1 INCH BY
DAWN...WITH AN ADDITIONAL 1 TO 3 INCHES THE REST OF THE MORNING. THE
SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS MIDDAY AS COLD AND
DRIER AIR FILTERS INTO THE REGION.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

MERCER
000 
WWUS46 KSEW 101340
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
540 AM PST WED JAN 10 2007

WAZ504-505-509-102000-
/O.EXA.KSEW.SN.Y.0002.000000T0000Z-070110T2000Z/
SOUTHWEST INTERIOR-EAST PUGET SOUND LOWLANDS-TACOMA AREA-
540 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL NOON PST TODAY...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL NOON PST TODAY. 

SNOW SHOWERS WILL CONTINUE THROUGH THE MORNING AS A WEATHER
DISTURBANCE CROSSES THE AREA. SNOWFALL AMOUNTS ARE EXPECTED TO
RANGE FROM 1 TO 3 INCHES THROUGH THIS MORNING. THE SNOW WILL TAPER
OFF TO SCATTERED SNOW SHOWERS MIDDAY AS COLD AND DRIER AIR FILTERS
INTO THE REGION.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ001-503-506-507-102000-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2000Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-
540 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL NOON PST TODAY. 

A WEATHER DISTURBANCE WILL MOVE OVER WESTERN WASHINGTON THIS
MORNING...SPREADING SNOW ACROSS THE ADVISORY AREA DURING THE PRE-
DAWN HOURS. THE SNOW WILL CONTINUE THROUGH THE MORNING AND TAPER
OFF AROUND MIDDAY.

SNOWFALL AMOUNTS ARE EXPECTED TO RANGE FROM A TRACE TO 1 INCH BY
DAWN...WITH AN ADDITIONAL 1 TO 3 INCHES THE REST OF THE MORNING.
THE SNOW WILL TAPER OFF TO SCATTERED SNOW SHOWERS MIDDAY AS COLD
AND DRIER AIR FILTERS INTO THE REGION.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS46 KSEW 101552
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
752 AM PST WED JAN 10 2007

WAZ518-519-102300-
/O.EXB.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOWFALL TOTALS OF 3 TO 6 INCHES ARE EXPECTED ALONG THE WEST
SLOPES OF THE CASCADES TODAY WITH LOCALIZED AMOUNTS OF UP TO 9
INCHES IN THE CASCADES OF KING AND SNOHOMISH COUNTIES. THESE
LOCALLY HIGHER TOTALS COULD IMPACT U S 2 AND I 90 ACROSS STEVENS
AND SNOQUALMIE PASSES. 

SNOWFALL SHOULD TAPER OFF QUICKLY AROUND SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ510-102300-
/O.EXB.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
ADMIRALTY INLET AREA-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS ARE EXPECTED TO BRING QUICK BURSTS OF SNOW TODAY.
THESE CONDITIONS ARE EXPECTED TO CAUSE 1 OR 2 INCHES OF SNOW FOR
MOST PLACES AROUND ADMIRALTY INLET WITH LOCALIZED SNOWFALL AMOUNTS
OF 3 OR 4 INCHES POSSIBLE. 

SNOWFALL SHOULD TAPER OFF QUICKLY AROUND SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ514>517-102300-
/O.EXB.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
NORTH COAST-CENTRAL COAST-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS ARE EXPECTED TO BRING QUICK BURSTS OF SNOW TODAY.
THESE CONDITIONS ARE EXPECTED TO CAUSE 1 OR 2 INCHES OF SNOW FOR
MOST PLACES ALONG THE STRAIT OF JUAN DE FUCA WITH LOCALIZED
SNOWFALL AMOUNTS OF 3 INCHES POSSIBLE. SNOW SHOWERS SHOULD TAPER
OFF LATE THIS MORNING FOR THE NORTH COAST AND LATE THIS AFTERNOON
ALONG THE STRAIT OF JUAN DE FUCA AND OVER THE CENTRAL COAST.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ512-102300-
/O.EXB.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
LOWER CHEHALIS VALLEY AREA-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS ARE EXPECTED TO BRING QUICK BURSTS OF SNOW TODAY.
SNOWFALL TOTALS OF 1 OR 2 INCHES CAN BE EXPECTED. SNOWFALL WILL
TAPER OFF QUICKLY BY SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ513-102300-
/O.EXB.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
OLYMPICS-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY...BRINGING
SNOWFALL TOTALS OF 5 TO 9 INCHES. SNOWFALL WILL TAPER OFF QUICKLY
AFTER SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ001-503-506-507-102300-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
EVERETT AND VICINITY-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON.

SNOW SHOWERS WILL BRING SEVERAL QUICK BURSTS OF SNOWFALL TODAY.
MOST LOCATIONS WILL RECEIVE 1 TO 3 INCHES OF SNOW WITH THIS
WEATHER SYSTEM...THOUGH THE HEAVIEST SNOW SHOWERS COULD BRING
LOCALIZED SNOWFALL AMOUNTS IN EXCESS OF 4 INCHES. 

SNOWFALL WILL TAPER OFF QUICKLY EARLY THIS EVENING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ504-509-102300-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
SOUTHWEST INTERIOR-TACOMA AREA-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON.

SNOW SHOWERS ARE EXPECTED TO BRING QUICK BURSTS OF SNOW FROM TIME
TO TIME TODAY. SNOWFALL TOTALS OF 1 OR 2 INCHES CAN BE EXPECTED.
SNOWFALL WILL TAPER OFF QUICKLY BY SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ505-102300-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
EAST PUGET SOUND LOWLANDS-
752 AM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 3 PM PST THIS AFTERNOON.

SNOW SHOWERS WILL WILL BRING QUICK BURSTS OF SNOW FROM TIME TO
TIME TODAY. MOST LOCATIONS WILL RECEIVE 1 OR 2 INCHES OF SNOW WITH
THIS WEATHER SYSTEM...THOUGH THE HEAVIEST SNOW SHOWERS WILL BE
CAPABLE OF DELIVERING OVER 4 INCHES OF SNOW IN LOCALIZED DOSES.
THE MOST PRONE PLACES FOR RECEIVING HEAVIER SNOWFALL AMOUNTS WILL
BE FROM MONROE TO NORTH BEND.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

HANER

WEATHER.GOV/SEATTLE
000 
WWUS46 KSEW 101937
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1137 AM PST WED JAN 10 2007

WAZ001-503-506-102300-
/O.UPG.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
/O.NEW.KSEW.HS.W.0001.070110T1937Z-070110T2300Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
1137 AM PST WED JAN 10 2007

...HEAVY SNOW WARNING IN EFFECT UNTIL 3 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A HEAVY SNOW
WARNING...WHICH IS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. THE
SNOW ADVISORY IS NO LONGER IN EFFECT. 

HEAVY SNOW SHOWERS WILL CONTINUE TO IMPACT LOCATIONS BETWEEN MOUNT
VERNON AND BELLINGHAM AND OUT TO THE SAN JUAN ISLANDS THROUGH
EARLY THIS AFTERNOON. IT NOW APPEARS THAT SNOWFALL TOTALS WILL
REACH 3 TO 5 INCHES IN THIS AREA. SNOWFALL WILL TAPER OFF DURING
THE LATE AFTERNOON. 

STRONG AND VERY COLD NORTHEAST WINDS WILL ARRIVE AFTER THE
SNOWFALL ENDS...CAUSING SLUSH-COVERED SURFACES TO ICE UP AND
FREEZE. 

A HEAVY SNOW WARNING MEANS SIGNIFICANT SNOWFALL IS OCCURRING OR
IMMINENT. SIGNIFICANT AMOUNTS OF SNOW WILL MAKE TRAVEL DANGEROUS.
ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY....CAUSING SURFACES WITH A SLUSHY SNOW COVER TO
QUICKLY ICE UP AND FREEZE. 

$$

WAZ518-519-102300-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
1137 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOWFALL TOTALS OF 3 TO 6 INCHES ARE EXPECTED ALONG THE WEST
SLOPES OF THE CASCADES TODAY WITH LOCALIZED AMOUNTS OF UP TO
9 INCHES IN THE CASCADES OF KING AND SNOHOMISH COUNTIES. THESE
LOCALLY HIGHER TOTALS COULD IMPACT U S 2 AND I 90 ACROSS STEVENS
AND SNOQUALMIE PASSES.

SNOWFALL SHOULD TAPER OFF QUICKLY AROUND SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ507-510-102300-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
EVERETT AND VICINITY-ADMIRALTY INLET AREA-
1137 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

AN AREA OF HEAVY SNOW SHOWERS WILL REACH PORT TOWNSEND AND WHIDBEY
ISLAND BETWEEN NOON AND 1 PM...AND IT WILL THEN REACH SNOHOMISH
COUNTY FROM EVERETT NORTH BETWEEN 1230 PM AND 130 PM. AFTER THE
SNOW BEGINS...SNOWFALL RATES WILL OCCASIONALLY REACH ONE INCH PER
HOUR...CAUSING TRAVEL CONDITIONS TO DETERIORATE QUICKLY. ANOTHER
BAND OF HEAVY SNOW MAY DEVELOP OVER SOUTHERN SNOHOMISH COUNTY
LATER IN THE AFTERNOON. SNOWFALL TOTALS OF 2 OR 3 INCHES CAN BE
EXPECTED. SNOWFALL WILL TAPER OFF QUICKLY EARLY THIS EVENING...BUT
THEN TEMPERATURES FALLING THROUGH THE 20S WILL CAUSE SLUSH-COVERED
SURFACES TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ514>517-102300-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-
NORTH COAST-CENTRAL COAST-
1137 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS ARE WILL CONTINUE TO BRING LOCALIZED BURSTS OF HEAVY
SNOW THROUGH MUCH OF THE AFTERNOON. WITHIN SNOW SHOWERS...SNOWFALL
RATES WILL REACH ONE INCH PER HOUR WITH SNOWFALL TOTALS OF 2 TO 3
INCHES COMMON THIS AFTERNOON. SNOW WILL QUICKLY TAPER OFF THIS
EVENING...BUT THEN TEMPERATURES FALLING THROUGH THE 20S WILL
CAUSE SLUSH-COVERED SURFACES TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ504-509-512-102300-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
SOUTHWEST INTERIOR-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
1137 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS ARE EXPECTED TO BRING QUICK BURSTS OF SNOW FROM TIME
TO TIME TODAY. SNOWFALL TOTALS OF 1 OR 2 INCHES CAN BE EXPECTED.
SNOWFALL WILL TAPER OFF QUICKLY THIS EVENING...BUT THEN
TEMPERATURES FALLING THROUGH THE 20S WILL CAUSE SLUSH-COVERED
SURFACES TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ505-102300-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
EAST PUGET SOUND LOWLANDS-
1137 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS WILL INCREASE FOR THE EAST SIDE OF THE SEATTLE METRO
AREA INTO THE CASCADE FOOTHILLS DURING THE AFTERNOON. SNOW SHOWERS
WILL BE CAPABLE OF PRODUCING QUICK BURSTS OF SNOW WITH SNOWFALL
RATES REACHING ONE INCH PER HOUR. SNOWFALL TOTALS WILL GENERALLY
BE IN THE RANGE OF 1 OR 2 INCHES...THOUGH THE HEAVIEST SNOW
SHOWERS WILL BE CAPABLE OF DELIVERING OVER 4 INCHES OF SNOW IN
LOCALIZED DOSES. THE MOST PRONE PLACES FOR RECEIVING HEAVIER
SNOWFALL AMOUNTS WILL BE FROM MONROE TO NORTH BEND.

SNOWFALL WILL TAPER OFF QUICKLY THIS EVENING...BUT THEN
TEMPERATURES FALLING THROUGH THE 20S WILL CAUSE SLUSH-COVERED
SURFACES TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ513-102300-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
OLYMPICS-
1137 AM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS
AFTERNOON...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 3 PM PST THIS AFTERNOON. 

SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY...BRINGING
SNOWFALL TOTALS OF 5 TO 9 INCHES. SNOWFALL WILL TAPER OFF QUICKLY
AFTER SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

HANER

WEATHER.GOV/SEATTLE
000 
WWUS46 KSEW 102307
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
307 PM PST WED JAN 10 2007

WAZ515-516-110015-
/O.CAN.KSEW.SN.Y.0002.000000T0000Z-070110T2300Z/
WESTERN STRAIT OF JUAN DE FUCA-NORTH COAST-
307 PM PST WED JAN 10 2007

...SNOW ADVISORY IS CANCELLED...

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

SNOWFALL HAS ENDED. HOWEVER...TEMPERATURES WILL FALL THROUGH THE
20S TONIGHT...CAUSING ANY SURFACES NOW COVERED WITH SLUSH TO ICE
UP AND FREEZE.

$$

WAZ001-503-506-110400-
/O.EXT.KSEW.HS.W.0001.000000T0000Z-070111T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
307 PM PST WED JAN 10 2007

...HEAVY SNOW WARNING NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE HEAVY SNOW WARNING IS NOW IN EFFECT UNTIL 8 PM PST THIS
EVENING.

NUMEROUS SNOW SHOWERS WILL CONTINUE OVER THE NORTHWEST INTERIOR OF
WASHINGTON INTO THE EARLY EVENING. STORM TOTAL SNOWFALL
ACCUMULATIONS OF 3 TO 5 INCHES WILL BE COMMON. SNOWFALL SHOULD
TAPER OFF AROUND MID EVENING. THEN...TEMPERATURES WILL FALL THROUGH THE
20S TONIGHT...CAUSING ANY SURFACES NOW COVERED WITH SLUSH TO ICE
UP AND FREEZE.

A HEAVY SNOW WARNING MEANS SIGNIFICANT SNOWFALL IS OCCURRING OR
IMMINENT. SIGNIFICANT AMOUNTS OF SNOW WILL MAKE TRAVEL DANGEROUS.
ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY....CAUSING SURFACES WITH A SLUSHY SNOW COVER TO QUICKLY
ICE UP AND FREEZE.

$$

WAZ518-519-110400-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
307 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOWFALL TOTALS OF 5 TO 9 INCHES ARE EXPECTED ALONG THE WEST
SLOPES OF THE CASCADES THROUGH THIS EVENING. SNOWFALL SHOULD
TAPER OFF AROUND MID EVENING. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ507-510-514-110400-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
EVERETT AND VICINITY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-
307 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SCATTERED HEAVY SNOW SHOWERS WILL CONTINUE UNTIL EARLY THIS
EVENING. AS SHOWERS PASS BY ANY ONE LOCATION...EXPECT A QUICK
BURST OF SNOW WITH SNOWFALL RATES APPROACHING ONE INCH PER HOUR.
EXPECT SNOWFALL TOTALS OF 1 TO 3 INCHES WITH THIS STORM SYSTEM.
SNOWFALL SHOULD QUICKLY TAPER OFF BY MID EVENING.
THEN...TEMPERATURES WILL FALL THROUGH THE 20S TONIGHT...CAUSING
ANY SURFACES NOW COVERED WITH SLUSH TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ504-509-512-517-110400-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
SOUTHWEST INTERIOR-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
CENTRAL COAST-
307 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SCATTERED SNOW SHOWERS WILL CONTINUE ALONG AND SOUTH OF A LINE
FROM OCEAN SHORES TO NEAR FORT LEWIS THROUGH MID EVENING. AS A
SHOWER PASSES BY ANY ONE LOCATION...EXPECT A QUICK BURST OF SNOW
WITH SNOWFALL RATES REACHING ONE-HALF INCH PER HOUR. SNOWFALL
TOTALS OF 1 OR 2 INCHES WILL BE COMMON WHEN THIS STORM IS DONE.
SNOW SHOWERS WILL QUICKLY TAPER OFF BY MID EVENING. THEN...
TEMPERATURES WILL FALL THROUGH THE
20S TONIGHT...CAUSING ANY SURFACES NOW COVERED WITH SLUSH TO ICE
UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ505-110400-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
EAST PUGET SOUND LOWLANDS-
307 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOW SHOWERS WILL INCREASE FOR THE EAST SIDE OF THE SEATTLE METRO
AREA INTO THE CASCADE FOOTHILLS LATE THIS AFTERNOON. SNOW SHOWERS
WILL BE CAPABLE OF PRODUCING QUICK BURSTS OF SNOW WITH SNOWFALL
RATES REACHING ONE INCH PER HOUR. SNOWFALL TOTALS WILL GENERALLY
BE IN THE RANGE OF 1 OR 2 INCHES...THOUGH THE HEAVIEST SNOW
SHOWERS WILL BE CAPABLE OF DELIVERING OVER 4 INCHES OF SNOW IN
LOCALIZED DOSES. THE MOST PRONE PLACES FOR RECEIVING HEAVIER
SNOWFALL AMOUNTS WILL BE NEAR THE FOOTHILLS OF SNOHOMISH AND KING
COUNTIES FROM MONROE SOUTH TO NORTH BEND.

SNOWFALL WILL TAPER OFF QUICKLY THIS EVENING...BUT THEN
TEMPERATURES FALLING THROUGH THE 20S WILL CAUSE SLUSH-COVERED
SURFACES TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ513-110400-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
OLYMPICS-
307 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY...BRINGING
SNOWFALL TOTALS OF 5 TO 9 INCHES. SNOWFALL WILL TAPER OFF QUICKLY
AFTER SUNSET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

HANER

WEATHER.GOV/SEATTLE
000 
WWUS46 KSEW 110201
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
601 PM PST WED JAN 10 2007

WAZ001-503-506-110400-
/O.CON.KSEW.HS.W.0001.000000T0000Z-070111T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
601 PM PST WED JAN 10 2007

...HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING...

A HEAVY SNOW WARNING REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING. 

NUMEROUS SNOW SHOWERS WILL CONTINUE OVER PORTIONS OF THE NORTHWEST
INTERIOR OF WASHINGTON EARLY THIS EVENING AND THEN TAPER OFF. STORM
TOTAL SNOWFALL ACCUMULATIONS OF 3 TO 6 INCHES WILL BE COMMON.
SNOWFALL WILL TAPER OFF AROUND MID EVENING. THEN...TEMPERATURES
WILL FALL THROUGH THE 20S TONIGHT...CAUSING ANY SURFACES NOW
COVERED WITH SLUSH TO ICE UP AND FREEZE.

A HEAVY SNOW WARNING MEANS SIGNIFICANT SNOWFALL IS OCCURRING OR
IMMINENT. SIGNIFICANT AMOUNTS OF SNOW WILL MAKE TRAVEL DANGEROUS.
ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA
FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN
EMERGENCY....CAUSING SURFACES WITH A SLUSHY SNOW COVER TO QUICKLY
ICE UP AND FREEZE.

$$

WAZ508-110400-
/O.EXA.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
SEATTLE/BREMERTON AREA-
601 PM PST WED JAN 10 2007

...SNOW ADVISORY IN EFFECT UNTIL 8 PM PST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOW SHOWERS WILL CONTINUE FROM BREMERTON EAST THROUGH BELLEVUE
FOR THE NEXT COUPLE OF HOURS AS THE CONVERGENCE ZONE HAS SET UP
ACROSS THIS AREA. A QUICK INCH OR TOW IS EXPECTED BEFORE THE SNOW
TAPERS OFF LATER THIS EVENING. THEN...TEMPERATURES WILL FALL
INTO THE 20S TONIGHT...CAUSING ANY SURFACES COVERED WITH SLUSH TO
ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ518-519-110400-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
601 PM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOWFALL TOTALS OF 5 TO 9 INCHES ARE EXPECTED ALONG THE WEST
SLOPES OF THE CASCADES THROUGH THIS EVENING. SNOWFALL SHOULD
TAPER OFF AROUND MID EVENING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ507-510-514-110400-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
EVERETT AND VICINITY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-
601 PM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SCATTERED HEAVY SNOW SHOWERS WILL CONTINUE UNTIL EARLY THIS
EVENING...MAINLY EAST OF EVERETT. EXPECT SNOWFALL TOTALS OF 1 TO
3 INCHES WITH THIS STORM SYSTEM. SNOWFALL SHOULD QUICKLY TAPER OFF
BY MID EVENING. THEN...TEMPERATURES WILL FALL THROUGH THE 20S
TONIGHT...CAUSING ANY SURFACES NOW COVERED WITH SLUSH TO ICE UP
AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ504-509-512-517-110400-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
SOUTHWEST INTERIOR-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
CENTRAL COAST-
601 PM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SCATTERED SNOW SHOWERS WILL TAPER OFF THROUGH 8 PM THIS EVENING
AND REMAIN MAINLY CONFINED SOUTH OF A LINE FROM OCEAN SHORES TO
NEAR OLYMPIA. SNOWFALL TOTALS OF 1 OR 2 INCHES WILL BE COMMON
WHEN THIS STORM IS DONE. TEMPERATURES WILL FALL THROUGH THE 20S
TONIGHT...CAUSING ANY SURFACES NOW COVERED WITH SLUSH TO ICE UP
AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ505-110400-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
EAST PUGET SOUND LOWLANDS-
601 PM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOW SHOWERS WILL CONTINUE FOR ANOTHER COUPLE OF HOURS BEFORE
TAPERING OFF LATER THIS EVENING. SNOWFALL TOTALS WILL GENERALLY
BE IN THE RANGE OF 1 OR 2 INCHES...THOUGH THE HEAVIEST SNOW
SHOWERS WILL BE CAPABLE OF DELIVERING OVER 4 INCHES OF SNOW IN
LOCALIZED DOSES. THE MOST PRONE PLACES FOR RECEIVING HEAVIER
SNOWFALL AMOUNTS WILL BE NEAR THE FOOTHILLS OF SNOHOMISH AND KING
COUNTIES FROM MONROE SOUTH TO NORTH BEND.

SNOWFALL WILL TAPER OFF QUICKLY THIS EVENING...BUT THEN
TEMPERATURES FALLING THROUGH THE 20S WILL CAUSE SLUSH-COVERED
SURFACES TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ513-110400-
/O.CON.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
OLYMPICS-
601 PM PST WED JAN 10 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 8 PM PST THIS EVENING. 

SNOW SHOWERS WILL CONTINUE THROUGH THE DAY TODAY...BRINGING
SNOWFALL TOTALS OF 5 TO 9 INCHES. SNOWFALL WILL TAPER OFF QUICKLY
THIS EVENING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CERNIGLIA
000 
WWUS46 KSEW 110359
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
759 PM PST WED JAN 10 2007

WAZ001-503-506-110500-
/O.EXP.KSEW.HS.W.0001.000000T0000Z-070111T0400Z/
SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-WESTERN SKAGIT COUNTY-
759 PM PST WED JAN 10 2007

...HEAVY SNOW WARNING WILL EXPIRE AT 8 PM PST THIS EVENING...

THE HEAVY SNOW WARNING WILL EXPIRE AT 8 PM PST THIS EVENING. 

THE AREAS OF HEAVY SNOW HAVE MOVED OUT OF THE REGION...AND
SIGNIFICANT ACCUMULATING SNOWS ARE NO LONGER EXPECTED. OCCASIONAL
SNOW SHOWERS WILL CONTINUE...HOWEVER ANY ADDITIONAL ACCUMULATIONS
WILL BE LIGHT. 

$$

WAZ518-519-110500-
/O.EXP.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
WEST SLOPES NORTHERN CASCADES AND PASSES-
WEST SLOPES CENTRAL CASCADES AND PASSES-
759 PM PST WED JAN 10 2007

...SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING...

THE SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING. 

THE AREAS OF HEAVY SNOW HAVE MOVED OUT OF THE REGION...AND
SIGNIFICANT ACCUMULATING SNOWS ARE NO LONGER EXPECTED. OCCASIONAL
SNOW SHOWERS WILL CONTINUE...HOWEVER ANY ADDITIONAL ACCUMULATIONS
WILL BE LIGHT. 

$$

WAZ507-510-514-110500-
/O.EXP.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
EVERETT AND VICINITY-ADMIRALTY INLET AREA-
EASTERN STRAIT OF JUAN DE FUCA-
759 PM PST WED JAN 10 2007

...SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING...

THE SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING. 

THE AREAS OF HEAVY SNOW HAVE MOVED OUT OF THE REGION...AND
SIGNIFICANT ACCUMULATING SNOWS ARE NO LONGER EXPECTED. OCCASIONAL
SNOW SHOWERS WILL CONTINUE...HOWEVER ANY ADDITIONAL ACCUMULATIONS
WILL BE LIGHT. 

$$

WAZ504-509-512-517-110500-
/O.EXP.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
SOUTHWEST INTERIOR-TACOMA AREA-LOWER CHEHALIS VALLEY AREA-
CENTRAL COAST-
759 PM PST WED JAN 10 2007

...SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING...

THE SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING. 

THE AREAS OF HEAVY SNOW HAVE MOVED OUT OF THE REGION...AND
SIGNIFICANT ACCUMULATING SNOWS ARE NO LONGER EXPECTED. OCCASIONAL
SNOW SHOWERS WILL CONTINUE...HOWEVER ANY ADDITIONAL ACCUMULATIONS
WILL BE LIGHT. 

$$

WAZ513-110500-
/O.EXP.KSEW.SN.Y.0002.000000T0000Z-070111T0400Z/
OLYMPICS-
759 PM PST WED JAN 10 2007

...SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING...

THE SNOW ADVISORY WILL EXPIRE AT 8 PM PST THIS EVENING. 

THE AREAS OF HEAVY SNOW HAVE MOVED OUT OF THE REGION...AND
SIGNIFICANT ACCUMULATING SNOWS ARE NO LONGER EXPECTED. OCCASIONAL
SNOW SHOWERS WILL CONTINUE...HOWEVER ANY ADDITIONAL ACCUMULATIONS
WILL BE LIGHT. 

$$

WAZ508-110600-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0600Z/
SEATTLE/BREMERTON AREA-
759 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 10 PM PST THIS EVENING. 

SNOW SHOWERS ASSOCIATED WITH THE CONVERGENCE ZONE CONTINUE OVER
THE AREA FROM BREMERTON EAST THROUGH BELLEVUE. THIS AREA OF SNOW
IS WEAKENING...HOWEVER ADDITIONAL ACCUMULATIONS OF UP TO AN INCH
ARE STILL POSSIBLE UNTIL 10 PM...AFTER WHICH THE SNOW WILL TAPER
OFF. TEMPERATURES WILL THEN FALL INTO THE 20S TONIGHT...CAUSING
ANY SURFACES COVERED WITH SLUSH TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

WAZ505-110600-
/O.EXT.KSEW.SN.Y.0002.000000T0000Z-070111T0600Z/
EAST PUGET SOUND LOWLANDS-
759 PM PST WED JAN 10 2007

...SNOW ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 10 PM PST THIS EVENING. 

SNOW SHOWERS ASSOCIATED WITH THE CONVERGENCE ZONE CONTINUE OVER
THE AREA UNTIL AROUND 10 PM. THIS AREA OF SNOW IS SLOWLY
WEAKENING...HOWEVER ADDITIONAL ACCUMULATIONS OF UP TO AN INCH ARE
STILL POSSIBLE UNTIL 10 PM...AFTER WHICH THE SNOW WILL TAPER OFF.
TEMPERATURES WILL THEN FALL INTO THE 20S TONIGHT...CAUSING ANY
SURFACES COVERED WITH SLUSH TO ICE UP AND FREEZE.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE MAINLY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS46 KSEW 110559
WSWSEW

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
959 PM PST WED JAN 10 2007

WAZ508-110700-
/O.EXP.KSEW.SN.Y.0002.000000T0000Z-070111T0600Z/
SEATTLE/BREMERTON AREA-
959 PM PST WED JAN 10 2007

...SNOW ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

THE SNOW ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING. 

SNOW SHOWERS CONTINUE TO DIMINISH IN COVERAGE AND INTENSITY LATE
THIS EVENING. THEREFORE DUE TO THE REDUCED THREAT OF WIDESPREAD
ACCUMULATING SNOW...THE ADVISORY WILL BE ALLOWED TO EXPIRE.
HOWEVER...SCATTERED SNOW SHOWERS WILL CONTINUE AND MAY GENERATE
LOCAL...ADDITIONAL ACCUMULATIONS OF A TRACE TO AN INCH BEFORE IT
ALL COMES TO AN END SHORTLY AFTER MIDNIGHT.

$$

WAZ505-110700-
/O.EXP.KSEW.SN.Y.0002.000000T0000Z-070111T0600Z/
EAST PUGET SOUND LOWLANDS-
959 PM PST WED JAN 10 2007

...SNOW ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

THE SNOW ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING. 

SNOW SHOWERS CONTINUE TO DIMINISH IN COVERAGE AND INTENSITY LATE
THIS EVENING. THEREFORE DUE TO THE REDUCED THREAT OF WIDESPREAD
ACCUMULATING SNOW...THE ADVISORY WILL BE ALLOWED TO EXPIRE.
HOWEVER...SCATTERED SNOW SHOWERS WILL CONTINUE AND MAY GENERATE
LOCAL...ADDITIONAL ACCUMULATIONS OF A TRACE TO AN INCH BEFORE IT
ALL COMES TO AN END SHORTLY AFTER MIDNIGHT.

$$

What forecasters said that day

The local office's own words before this snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Seattle, WA wrote its last area forecast discussion before this snow advisory went out at Jan 8, 9:20 PM PST, 5 hours 12 minutes earlier.

Area forecast discussion, Jan 8, 9:20 PM PST, 5 hours 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SEATTLE WA
920 PM PST MON JAN 8 2007

.SYNOPSIS...SPOTTY LIGHT RAIN TONIGHT...EXCEPT NORTHERN ZONES WHERE
RAIN WILL BE A BIT MORE OCCASIONAL. A STRONG COLD FRONT WILL SWEEP
THROUGH THE AREA LATE TUESDAY. A COLD UPPER LEVEL TROUGH WITH AN
UNSTABLE AIR MASS WILL BE OVER THE REGION WEDNESDAY...WITH THE SNOW
LEVEL FALLING TO SEA LEVEL. A MODIFIED ARCTIC FRONT WILL MOVE ACROSS
THE REGION WEDNESDAY NIGHT AND EARLY THURSDAY. STRONG HIGH PRESSURE
OVER THE REGION WILL BRING ABOUT DRY...BUT CHILLY CONDITIONS...FOR
THE WEEKEND.

&&

.SHORT TERM...WEAK WARM ADVECTION PATTERN TONIGHT WILL RESULT IN
VERY SPOTTY AND VERY LIGHT RAIN IN THE SOUTHERN 3/4S OF THE AREA
TONIGHT WILL A BIT MORE SIGNIFICANT RAINS CLOSE TO THE CANADIAN
BORDER. BEING THAT WE ARE DEEPLY BURIED IN THE WARM SECTOR OF THIS
SYSTEM...TEMPERATURES WILL REMAIN MILD OVERNIGHT.

MAJOR CHANGE IN THE WEATHER TO TAKE PLACE BEGINNING TUESDAY...AND AS
IS USUALLY THE CASE WITH A MAJOR CHANGE...A MAJOR FRONT WILL USHER
THE CHANGE IN.  SOUTHERLY GRADIENTS ACROSS THE REGION WILL INCREASE
GRADUALLY OVERNIGHT AND MORE-SO DURING THE DAY TUESDAY AS THE
STRENGTHENING COLD FRONT APPROACHES FROM THE NW.  THIS FRONT LOOKS
LIKE IT WILL REACH THE NW TIP OF WA EARLY TUE AFTERNOON AND PUSH
INTO THE INTERIOR LATE IN THE AFTERNOON. WILL HAVE SOME RATHER
STRONG SOUTHERLY WINDS IN ADVANCE OF THE COLD FRONT AND SHOULD HAVE
A GOOD NW SURGE BEHIND THIS FRONT AS WELL ASSOCIATED WITH THE STRONG
COLD AIR ADVECTION.  ALREADY HAVE A HIGH WIND WATCH UP VICINITY OF
ADMIRALTY INLET AND EVERETT AREA...BUT THIS MAY NEED TO BE EXPANDED
EASTWARD SOME AS THIS MAY END UP TO BE SIMILAR TO THE FRIDAY NIGHT
EVENT. HAVE NOT HAD MUCH TIME TO GET INTO THE DATA AS THE COMPUTER
SYSTEM HAS RECENTLY BEEN BROUGHT BACK UP AND DATA JUST FLOWING IN.
NIGHT CREW WILL LOOK INTO THIS FURTHER.

SIGNIFICANT COLD AIR WILL ROLE IN BEHIND THIS FRONT WITH THE SHOWERS
EVENTUALLY CHANGING TO SNOW SHOWERS. MAY END UP WITH A DISTURBANCE
ASSOCIATED WITH THE UPPER TROUGH MOVING ACROSS THE AREA EARLY
WEDNESDAY. THIS WILL LIKELY SPREAD SOME SNOW ACROSS THE PARTS OF THE
REGION. THIS WILL ALSO HAVE TO BE WATCHED CLOSELY.  OVERALL...IF THE
WEATHER AFFECTS YOU...PAY CLOSE ATTENTION TO THE LATEST FORECAST AND
STATEMENTS COMING OUT LATER TONIGHT AS THE NEXT 48 HOURS WILL BE
VERY INTERESTING.  THE WINTER OF 06/07 CONTINUES....CERNIGLIA

.LONG TERM...HIGH PRESSURE OFFSHORE NUDGES A LITTLE CLOSER TO THE
COAST AS THE UPPER LOW DIVES SOUTH OF THE AREA. THIS SHOULD PROVIDE
DRY AND COLD OFFSHORE FLOW FRI INTO SAT.  TEMPS WILL BE WELL BELOW
NORMAL WITH HIGHS ONLY IN THE UPPER 20S AND LOW 30S WITH LOWS IN THE
TEENS AND 20S.  MODELS HAVE BACKED AWAY FROM BRINGING ENERGY OVER
THE TOP OF THE RIDGE NEXT THE WEEKEND...THOUGH ITS NOT COMPLETELY
OUT OF THE QUESTION. DONT BELIEVE THERE IS A GOOD ENOUGH CHANCE TO
KEEP THIS IN THE FORECAST SO I REMOVED POPS...EXCEPT TO MENTION SOME
FLURRIES IN THE MOUNTAINS ON SATURDAY. STILL DRY AND COOL SUN AND
MON.
ROCKY

&&

.AVIATION...MVFR CEILINGS ACROSS THE REGION TONIGHT WITH A FEW
POCKETS OF IFR OVER THE SOUTHWEST INTERIOR AND COAST. EXPECT THIS
WILL CONTINUE TO BE THE CASE THROUGH THE OVERNIGHT HOURS. CEILINGS
SHOULD POP UP TO VFR FOR AWHILE MIDDAY TUESDAY BEFORE PRECIP SPREADS
IN AHEAD OF THE FRONT IN THE AFTERNOON. ADDITIONALLY...WINDS MAY
BECOME A FACTOR FROM NOON ONWARD WITH THE POTENTIAL FOR LOCALIZED
LOW LEVEL WIND SHEAR INCREASING TOWARD LATE TUESDAY AFTERNOON.

FOR KSEA...MVFR CEILINGS THROUGH THE NIGHT. SOUTH WIND 8 TO 14 KNOTS
OVERNIGHT RISING TO 15 TO 20 GUSTING 25 KNOTS AFTER NOON TUESDAY.

.MARINE...GALE WARNINGS IN EFFECT FOR ALL WATERS WITH ANTICIPATED
WIND AHEAD OF THE INCOMING FRONT TUESDAY AFTERNOON AND EVENING.
POTENTIAL FOR BRIEF STORM FORCE WINDS EXISTS PARTICULARLY AT THE
EAST ENTRANCE TO THE STRAIT...WITH STRONG WEST TO NORTHWESTERLY PUSH
LATE TUESDAY AFTERNOON. 27

&&

.SEW WATCHES/WARNINGS/ADVISORIES...

.EXTREME AVALANCHE HAZARD CASCADES AND OLYMPICS.
.FLOOD WATCHES AND WARNINGS IN EFFECT. SEE BULLETINS FOR DETAILS.
.HIGH WIND WATCH FOR EASTERN STRAIT...ADMIRALTY INLET...WESTERN
SKAGIT COUNTY...AND EVERETT AND VICINITY FOR TUE AFTERNOON AND TUE
EVENING.
.GALE WARNING ALL WATERS.
.SMALL CRAFT ADVISORY FOR ROUGH CONDITIONS GRAYS HARBOR BAR.

WEATHER.GOV/SEATTLE

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 9, 3:05 AM PSTHigh Wind WarningSEW16 hr
Jan 9, 3:05 AM PSTWind AdvisorySEWSan Juan16 hr

Nearby

Snow Advisories in Washington, 2007Every snow advisory in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.