909
WWUS46 KSEW 170420
WSWSEW
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
820 PM PST TUE DEC 16 2025
WAZ301>304-171300-
/O.CON.KSEW.BZ.W.0001.251217T1000Z-251217T2000Z/
CASCADES OF WHATCOM AND SKAGIT COUNTIES-CASCADES OF SNOHOMISH AND
NORTHERN KING COUNTIES-CASCADES OF SOUTHERN KING COUNTY-CASCADES
OF PIERCE AND LEWIS COUNTIES-
INCLUDING PARADISE, MOUNT BAKER, SNOQUALMIE PASS, LONGMIRE,
ASHFORD, MOUNT RAINIER, CRYSTAL MOUNTAIN, STEVENS PASS,
SILVERTON, AND GREENWATER
820 PM PST TUE DEC 16 2025
...BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON PST
WEDNESDAY...
* WHAT...SNOW EXPECTED AT OR ABOVE ELEVATIONS GREATER THAN 2000 FT.
BLIZZARD CONDITIONS ARE POSSIBLE AT TIMES DUE TO WINDS GUSTING AS
HIGH AS 45 TO 50 MPH.
* WHERE...CASCADES OF SNOHOMISH AND NORTHERN KING COUNTIES, CASCADES
OF WHATCOM AND SKAGIT COUNTIES, CASCADES OF PIERCE AND LEWIS
COUNTIES, AND CASCADES OF SOUTHERN KING COUNTY.
* WHEN...FROM 2 AM TO NOON PST WEDNESDAY.
* IMPACTS...TRAVEL AND OTHER ACTIVITIES COULD BE VERY DIFFICULT TO
IMPOSSIBLE. THE HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY
EVENING AND WEDNESDAY MORNING COMMUTES. VERY STRONG WINDS COULD
CAUSE EXTENSIVE TREE DAMAGE.
* ADDITIONAL DETAILS...TOTAL SNOW ACCUMULATIONS UPWARDS OF 10 TO 15
INCHES AT SNOQUALMIE PASS, WITH 15 TO 20 INCHES AT STEVENS PASS.
MOUNT RAINIER AND MOUNT BAKER COULD SEE AMOUNTS UPWARDS TO 2 FEET
OR MORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TRAVEL SHOULD BE RESTRICTED TO EMERGENCIES ONLY. IF YOU MUST TRAVEL,
HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH
YOUR VEHICLE. PREPARE FOR POSSIBLE POWER OUTAGES.
WAZ328-171300-
/O.CON.KSEW.BZ.W.0001.251217T1000Z-251217T2000Z/
OLYMPICS-
INCLUDING HURRICANE RIDGE AND MOUNT OLYMPUS
820 PM PST TUE DEC 16 2025
...BLIZZARD WARNING REMAINS IN EFFECT FROM 2 AM TO NOON PST
WEDNESDAY...
* WHAT...SNOW EXPECTED AT OR ABOVE ELEVATIONS GREATER THAN 2000 FT.
TOTAL SNOW ACCUMULATIONS UP TO 10 TO 15 INCHES AT HURRICANE RIDGE.
BLIZZARD CONDITIONS ARE POSSIBLE AT TIMES DUE TO WINDS GUSTING AS
HIGH AS 45 MPH.
* WHERE...OLYMPICS.
* WHEN...FROM 2 AM TO NOON PST WEDNESDAY.
* IMPACTS...TRAVEL AND OTHER ACTIVITIES COULD BE VERY DIFFICULT. THE
HAZARDOUS CONDITIONS COULD IMPACT THE TUESDAY EVENING AND
WEDNESDAY MORNING COMMUTES. VERY STRONG WINDS COULD CAUSE
EXTENSIVE TREE DAMAGE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TRAVEL SHOULD BE RESTRICTED TO EMERGENCIES ONLY. IF YOU MUST TRAVEL,
HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED, STAY WITH
YOUR VEHICLE. PREPARE FOR POSSIBLE POWER OUTAGES.
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