The Week Ahead – Hawks Game Windstorm Possible! And another Tuesday, before drier conditions later in the week

[Article by Ryan Porter of Snoqualmie Weather]

We’re really transitioning into active Fall-like weather now, aren’t we?

Saturday in Snoqualmie Valley featured blustery winds with ~2″ of rain that mostly fell in the morning.  

However, our Puget Sound neighbors to the north were graced by a round 2 dumping, a classic convergence zone (CZ) setup yesterday afternoon that featured hail and thunderstorms. 


A few excellent shots were captured by some storm chasers…

Seen from Kenmore Saturday afternoon by Michael Snyder @seattlewxguy (on twitter)

Let’s look at this NWS graphic of vertical heights from one of the more active storm cells over N. Lake Washington yesterday.  Fascinating.  Cells stretching into the higher altitudes were very conducive to the lightning and heavy rain or hail dropped in several locations from the Bothell-area on northward.

And given the cool unstable air that ushered in behind the main front Saturday morning, the first snow of the season for some of our higher passes.

Now let’s look ahead to what could be a rather interesting situation if an incoming Low this evening tracks perfectly for the makings of a rather significant PNW windstorm.

Models aren’t quite in agreement as the storm center with this one is rather narrow. If the storm track is a bit off, much of the strong winds could miss us.

Ensemble runs, weather.us

Never the less, there’s the potential for wind and power outages tonight ..during the Hawks game I know 🙁 .  

Euro model ~6pm Sunday 10/11 windy.com

Another round of snow for the higher mountain areas looks likely as well this evening, perhaps a broader swath this go around—a few inches down to 6,000 ft possible.

As indicated by the ensembles above, we’ll be watching another potential wind event for Tuesday.

The remainder of the week looks rather calm by comparison, and hopefully drier.  Ridging is expected to build on Thursday and Friday for dry conditions with some nice autumn sun and fall foliage. However, models are in disagreement for the possibility of weak bands of showers that may sneak in next weekend.  

Oct 10th 2019 Douglas Ave SE

We’re getting to that time of the year where a dry weekend is a true diamond in the rough.

Have a great week!

[Originally published at Snoqualmie Weather blog During active weather, follow more frequent updates @snoqualmiewx or on Facebook]

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