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685 
WWUS76 KSEW 130320
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
820 PM PDT Sat Apr 12 2025

WAZ305>308-131500-
/O.CON.KSEW.FR.Y.0002.250413T0700Z-250413T1500Z/
Foothills and Valleys of the North Cascades-Foothills and Valleys
of Snohomish and Northern King Counties-Foothills and Valleys of
Central King County-Foothills and Valleys of Pierce and Southern
King Counties-
Including Sahalee, Enumclaw, Eastgate, Mirrormont, Duvall, Elk
Plain, Monroe, Sudden Valley, North Bend, Lea Hill, Pine Lake,
Granite Falls, Covington-Sawyer-w, South Hill, Maple Valley,
Prairie Ridge, and Darrington
820 PM PDT Sat Apr 12 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM 
PDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Foothills and Valleys of the North Cascades, Foothills and 
  Valleys of Central King County, Foothills and Valleys of Pierce 
  and Southern King Counties, and Foothills and Valleys of Snohomish 
  and Northern King Counties.

* WHEN...From midnight tonight to 8 AM PDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

WAZ309-318>320-131500-
/O.CON.KSEW.FR.Y.0002.250413T0700Z-250413T1500Z/
Foothills and Valleys of Thurston and Lewis Counties-Lowlands of
Lewis and Southern Thurston Counties-Middle Chehalis River Valley-
Willapa and Black Hills-
Including Fords Prairie, Grand Mound, Chehalis, Pe Ell, Morton,
McCleary, Mossyrock, Elma, Rochester, and Montesano
820 PM PDT Sat Apr 12 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM 
PDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Middle Chehalis River Valley, Foothills and Valleys of 
  Thurston and Lewis Counties, Lowlands of Lewis and Southern 
  Thurston Counties, and Willapa and Black Hills.

* WHEN...From midnight tonight to 8 AM PDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

WAZ310-312-317-321-131500-
/O.CON.KSEW.FR.Y.0002.250413T0700Z-250413T1500Z/
Lowlands of Western Whatcom County-Downtown Everett / Marysville
Area-Olympia and Southern Puget Sound-Southern Hood Canal-
Including Bellingham, Olympia, Snohomish, Lake Stevens, Tumwater,
Skokomish, Marysville, and Lacey
820 PM PDT Sat Apr 12 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM 
PDT SUNDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Lowlands of Western Whatcom County, Southern Hood Canal, 
  Downtown Everett / Marysville Area, and Olympia and Southern Puget 
  Sound.

* WHEN...From midnight tonight to 8 AM PDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

* ADDITIONAL DETAILS...Areas away from the water will have the 
  greatest chance of frost formation.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

WAZ327-131500-
/O.CON.KSEW.FR.Y.0002.250413T0700Z-250413T1500Z/
Lake Crescent Area Including US 101-
820 PM PDT Sat Apr 12 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM 
PDT SUNDAY...

* WHAT...Temperatures as low as 32 will result in frost formation.

* WHERE...Lake Crescent Area Including US 101.

* WHEN...From midnight tonight to 8 AM PDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

WAZ332-131500-
/O.CON.KSEW.FR.Y.0002.250413T0700Z-250413T1500Z/
Lower Chehalis River Valley-
Including Hoquiam and Aberdeen
820 PM PDT Sat Apr 12 2025

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM 
PDT SUNDAY...

* WHAT...Temperatures as low as 33 will result in frost formation.

* WHERE...Lower Chehalis River Valley.

* WHEN...From midnight tonight to 8 AM PDT Sunday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive 
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

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