NWS Seattle

NWS Seattle


Official Twitter account for the National Weather Service Seattle. Details: http://t.co/KKTK7cZlhK

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Looking through pressure observations from overnight. A secondary shockwave from #TongaHunga  reached Seattle about midnight last night. Arriving from the east, this one had essentially circumnavigated the entire planet. #wawx 

Dense #fog  is expected through Noon, Sunday for the interior lowlands of Western Washington. #Visibility  down to 1/4 of a mile or less will cause #hazardous  driving conditions. Have your lights on (low-beams) and drive slowly with #caution . #wawx 

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Hello from the day crew. Let's give it "One More Try" for a quiet day, shall we? Apart from fog, weather today should be nothing more than a "Careless Whisper". I've got "Faith" that we've turned "A Different Corner". And, yes, I was listening to George Michael on the way in.🙂🎶

Fog prevented sunrise views here in the lowlands, but that definitely wasn't the case in the mountains. Here's the @CrystalMt  view of Rainier from earlier. #wawx 

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A nice (knock on wood) calm, uneventful morning. So, we had some friends fly in to say hello. #wawx 

What does one see from the @space_needle  today? Nothing. Which is fitting because it's #NationalNothingDay . So, Happy National Nothing Day from us. 😂 #wawx 

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How is it almost the 3rd week of January already? I'm kidding. I lost track of the passage of time somewhere in early 2020. But I digress... A couple opportunities for rain arrive late Mon/Tue and again midweek, otherwise it looks more dry than wet! How strange. #wawx 

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Another foggy morning out there, although the dense fog is not quite as widespread as the last few mornings. Light rain returns to the forecast later today and continues into Tuesday. #wawx 

There's not much weather to tweet about this morning! Scattered showers and a convergence zone will linger into the afternoon today before we catch a brief break through Wed morning. A better organized front will bring some rain tomorrow & Thurs. #wawx 

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Sea-Tac has reached 101. That's now the first time in our climate record of two consecutive days above 100. This includes Seattle area records that date back to 1894. #wawx 

Meanwhile in the South Pacific in the past few hours... The eruption of Hunga Tonga in the dark of night.

With today's clearing skies, the NASA MODIS satellite got a clear view of the extent of snow cover over Western Washington. You don't see a view like this often. #wawx 

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Interesting phenomena from this A.M. When the pressure shockwave arrived, it may have changed the depth of a temperature inversion over the area. SeaTac (433 ft. above sea level) temporarily cleared from fog w/ the arrival of the shockwave then fogged in again. Fascinating stuff.

7 AM | Tsunami Advisory remains in effect. Stay out of the water and away from the shore in these areas. Follow us and for updates. #wawx 

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A visually compelling comparison view from space between the height of our June heat wave and yesterday. #wawx 

While we await further confirmation on the details, here's the unofficial information we have so far. The widely reported bright objects in the sky were the debris from a Falcon 9 rocket 2nd stage that did not successfully have a deorbit burn.

With unprecedented and prolonged heat on the horizon, it is important to know the signs of heat related illness! Be vigilant if you recognize these signs in yourself or others! #wawx 

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