Thanatos Weather
Wednesday, Sep 17, 2025 05:39:21

Products in the Last Seven Days
Type Phenomena Count
WarningSevere Thunderstorm406
AdvisoryAreal Flood137
AdvisorySmall Craft91
WarningFlash Flood59
AdvisoryDense Fog36
WarningTornado35
WarningGale23
WatchSevere Thunderstorm8
AdvisoryWind8
WatchAreal Flood8
AdvisoryFrost6
WatchFlash Flood5
WatchGale5
WarningFreeze3
WarningFire Weather3
WatchTornado3
WatchHazardous Seas2
AdvisoryDust Storm2
AdvisoryBlowing Dust1
AdvisoryHeat1
AdvisoryWinter Weather1
AdvisoryLake Wind1
WatchFire Weather1
Most Active Forecast Offices
Forecast Office Products
Grand Junction, CO83
Bismarck, ND57
Goodland, KS54
El Paso, TX42
Albuquerque, NM36
Tucson, AZ34
San Francisco Bay Area / Monterey, CA27
North Platte, NE26
Wakefield, VA21
Grand Forks, ND20
Duluth, MN20
Des Moines, IA20
Aberdeen, SD16
Miami, FL16
Eureka, CA15
Omaha / Valley, NE14
Newport / Morehead City, NC14
Amarillo, TX14
Hastings, NE13
Seattle, WA13
Product Count by Day
Date Warn Watch Advis.
2025-09-174 07
2025-09-16150 1156
2025-09-1541 428
2025-09-1498 735
2025-09-1362 245
2025-09-12117 035
2025-09-1136 339
2025-09-1020 332
2025-09-091 211
Particularly Dangerous Situations
Product Forecast Office
Tornado Warning 0040Bismarck, ND
Tornado Warning 0053Bismarck, ND
Home
Return to list
Dense Fog Advisory 0003
Issued by the Seattle Forecast Office

Action Issued Starts Expiration
New 2025-09-11 10:29:15 2025-09-11 10:28:00 2025-09-11 13:00:00
Expired 2025-09-11 13:01:48 2025-09-11 13:00:00


Action: New
Issued At: 2025-09-11 10:29:15

721 
WWUS76 KSEW 111528
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
828 AM PDT Thu Sep 11 2025

WAZ310>317-321>324-333-111800-
/O.NEW.KSEW.FG.Y.0003.250911T1528Z-250911T1800Z/
Lowlands of Western Whatcom County-Lowlands of Western Skagit and
Northwestern Snohomish Counties-Downtown Everett / Marysville
Area-Shoreline / Lynnwood / South Everett Area-Eastside-City of
Seattle-Lowlands of Pierce and Southern King Counties-Olympia and
Southern Puget Sound-Southern Hood Canal-Northern Hood Canal-
Eastern Kitsap County-Port Townsend Area-Island County-
Including Seattle, Federal Way, Port Ludlow, Mount Vernon,
Langley, Kingsgate, Renton, Lake Stevens, Newport Hills, Lacey,
Seabeck, Lynnwood, Holly, Everett, Redmond, Edmonds, Quilcene,
Leland, Marysville, Tacoma, Snohomish, Kenmore, Skokomish,
Tumwater, Richmond Highlands, Kent, Bremerton, Sedro-Woolley,
Bothell, Mercer Island, Brinnon, Port Townsend, Anacortes,
Bellingham, Kirkland, Burlington, Silverdale, Freeland, and
Olympia
828 AM PDT Thu Sep 11 2025

...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM PDT THIS MORNING...

* WHAT...Visibility one quarter mile or less in dense fog.

* WHERE...Portions of northwest and west central Washington.

* WHEN...Until 11 AM PDT this morning.

* IMPACTS...Low visibility could make driving conditions hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If driving, slow down, use your headlights, and leave plenty of 
distance ahead of you.

&&

$$

12


Action: Expired
Issued At: 2025-09-11 13:01:48

493 
WWUS76 KSEW 111801
NPWSEW

URGENT - WEATHER MESSAGE
National Weather Service Seattle WA
1101 AM PDT Thu Sep 11 2025

WAZ310>317-321>324-333-111915-
/O.EXP.KSEW.FG.Y.0003.000000T0000Z-250911T1800Z/
Lowlands of Western Whatcom County-Lowlands of Western Skagit and
Northwestern Snohomish Counties-Downtown Everett / Marysville
Area-Shoreline / Lynnwood / South Everett Area-Eastside-City of
Seattle-Lowlands of Pierce and Southern King Counties-Olympia and
Southern Puget Sound-Southern Hood Canal-Northern Hood Canal-
Eastern Kitsap County-Port Townsend Area-Island County-
Including Seattle, Federal Way, Port Ludlow, Mount Vernon,
Langley, Kingsgate, Renton, Lake Stevens, Newport Hills, Lacey,
Seabeck, Lynnwood, Holly, Everett, Redmond, Edmonds, Quilcene,
Leland, Marysville, Tacoma, Snohomish, Kenmore, Skokomish,
Tumwater, Richmond Highlands, Kent, Bremerton, Sedro-Woolley,
Bothell, Mercer Island, Brinnon, Port Townsend, Anacortes,
Bellingham, Kirkland, Burlington, Silverdale, Freeland, and
Olympia
1101 AM PDT Thu Sep 11 2025

...DENSE FOG ADVISORY HAS EXPIRED...

Dense fog is continuing to lift and visibility is improving. 
Therefore, the advisory will be allowed. to expire. However, please 
still travel with caution as local pockets of lower visibility in 
fog may still exist.

$$

12



Page Loaded at: 2025-09-17 05:39:21 -- Client Address: 216.73.216.109 -- Refresh Time: seconds