Washington Daily Snow
By Luke Stone, Forecaster Posted 2 months ago December 5, 2023
Very wet. I’ll have just a quick update today as we endure this deluge. There’s still a long way to go before we change back to snow. Once we do, we’ll have some snow for the latter part of the week followed by a stronger storm this weekend.
Short Term Forecast
There aren't many changes to the forecast for the next few days. Heavy rain continues through Wednesday before snow levels drop enough to transition back to snow. This should happen at upper elevations during the day on Wednesday and at mid and lower elevations on Wednesday night. I'll spare you the gory details, but snow depths have dropped around 8 to 12 in since the rain started, and we have at least another twenty-four hours of this.
Check out the satellite imagery from today, showing the storm and its atmospheric river.
Snow showers will amount to a few inches per day on Thursday and start the recovery process in the Cascades. The eastern part of the state should see a few inches as well during this time. The models show a Puget Sound Convergence Zone setting up over Snoqualmie Pass which would enhance snow totals there on Thursday night.
Then, on the weekend, a stronger storm is possible. I know you don’t want to hear this, but the latest guidance shows this storm starting cold but finishing warm. It will be associated with another atmospheric river, however, the brunt of that anomalous moisture should stay south of Washington.
Check out the atmospheric river approaching the Washington coast and then making landfall below.
This will result in the central and southern Cascades getting the most precipitation. Right now, the snow levels look to remain below base elevations, despite the rising temperatures during the storm. Generally, this is looking like 8 - 16 in for most of the Cascades, with higher amounts possible at Stevens and Snoqualmie. On the eastern side of the state, this storm won't be as significant, with just a few inches expected.
The models aren't in great agreement beyond this weekend, but there is a small storm possible Sunday night through Monday, and another system around the 14th/15th. I'll let the models iron out some of these details before getting more specific about the storms next weekend and the following week.
Thanks for reading the Washington Daily Snow!
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