URGENT - WINTER WEATHER MESSAGE

posted Feb 22, 2011, 12:36 PM by smike@guemesfire.org   [ updated Feb 22, 2011, 12:39 PM ]

SNOW WILL CONTINUE OVER THE MOUNTAINS TODAY AND TONIGHT AS COLD 

AIR ALOFT AND STRONG NORTHWEST FLOW MOVES INTO WESTERN 

WASHINGTON. NEW SNOWFALL ACCUMULATIONS BY EARLY WEDNESDAY MORNING 

COULD BE AS HIGH AS 16 INCHES IN THE CASCADES AND 8 INCHES IN THE 

OLYMPICS. AMOUNTS OF UP TO 3 INCHES ARE LIKELY IN THE PUGET SOUND 

CONVERGENCE ZONE NEAR EVERETT.

 

IN THE LOWLANDS...EXPECT BRIEF AND LOCAL ACCUMULATIONS OF SLUSHY

SNOW TO OCCUR THROUGH EARLY WEDNESDAY MORNING. THIS IS MOST

LIKELY TO OCCUR ON HILLS ABOVE ABOUT 500 FEET THIS MORNING AND

ABOVE 300 FEET TONIGHT AND EARLY WEDNESDAY MORNING...AND MAINLY

WHERE CONVERGENCE ZONES SET UP IN THE NORTH INTERIOR AND NORTHERN

PORTIONS OF THE EAST PUGET SOUND LOWLANDS.

 

AN ARCTIC AIR MASS DROPPING SOUTH FROM BRITISH COLUMBIA..

COMBINED WITH DEVELOPING LOW PRESSURE OFF THE WASHINGTON COAST

WILL GIVE THE POTENTIAL FOR HEAVY SNOW OVER ALL OF THE LOWLANDS

OF WESTERN WASHINGTON BEGINNING WEDNESDAY AND CONTINUING INTO

THURSDAY MORNING. SNOWFALL IN WESTERN WHATCOM COUNTY AND THE SAN

JUAN ISLANDS WILL LIKELY BE ACCOMPANIED BY STRONG NORTHEASTERLY

WINDS OF 25 TO 35 MPH AND GUSTS TO 50 MPH BY THURSDAY MORNING.

 

WAZ001-503-504-506-508-509-511-512-514>517-230100-

/O.CON.KSEW.WS.A.0004.110223T1500Z-110224T2000Z/

SAN JUAN COUNTY-WESTERN WHATCOM COUNTY-SOUTHWEST INTERIOR-

WESTERN SKAGIT COUNTY-SEATTLE/BREMERTON AREA-TACOMA AREA-

HOOD CANAL AREA-LOWER CHEHALIS VALLEY AREA-

EASTERN STRAIT OF JUAN DE FUCA-WESTERN STRAIT OF JUAN DE FUCA-

NORTH COAST-CENTRAL COAST-

914 AM PST TUE FEB 22 2011

 

...WINTER STORM WATCH REMAINS IN EFFECT FROM WEDNESDAY MORNING

THROUGH THURSDAY MORNING FOR THE WESTERN WASHINGTON LOWLANDS..

 

A WINTER STORM WATCH FOR THE WESTERN WASHINGTON LOWLANDS REMAINS

IN EFFECT FROM WEDNESDAY MORNING THROUGH THURSDAY MORNING.

 

* SOME AFFECTED LOCATIONS...SEATTLE...TACOMA...OLYMPIA..

  CHEHALIS...SHELTON...HOQUIAM...FORKS...PORT ANGELES..

  FRIDAY HARBOR AND BELLINGHAM.

 

* ACCUMULATIONS...SNOWFALL ACCUMULATIONS OF UP TO 6 INCHES ARE

  POSSIBLE FROM WEDNESDAY THROUGH THURSDAY MORNING.

 

* TIMING...WHILE BRIEF SLUSHY ACCUMULATIONS ARE POSSIBLE IN

  SHOWERS THROUGH EARLY WEDNESDAY MORNINGS...THE MAIN PERIOD

  OF SIGNIFICANT ACCUMULATING SNOW IS EXPECTED TO BEGIN OVER

  THE CENTRAL PUGET SOUND AREA...SOUTHWEST INTERIOR...HOOD

  CANAL.. LOWER CHEHALIS VALLEY AND THE COAST LATE WEDNESDAY

  MORNING INTO WEDNESDAY AFTERNOON. THE SNOW MAY CONTINUE

  WEDNESDAY NIGHT INTO THURSDAY MORNING FOR FURTHER

  ACCUMULATIONS.

 

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.

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