is tracking an impressive flow of atmospheric moisture combining with a Low pressure trough and cold front to deliver wet weather to the U.S. Pacific Northwest and BC Canada into the weekend.

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By Saturday morning this is about 2.8 trillion gallons of water falling, just on Washington state

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Beautiful Valley Sunrise -
With that little bit of fog in the valley this morning looking east towards Kulshan (Mt.Baker) 🏔 and the Twin Sisters.. what a phenomenal sunrise 🌄

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Trans-Pacific moisture is headed toward British Columbia Canada and the U.S. states of Washington and Oregon this weekend. water vapor is tracking the impressive flow as it feeds into a Low pressure storm system. Updates at https://t.co/0L306T3BBa

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First graphic is the 12z Eps run from Dec 12th, 5 day ensemble mean centered around Christmas. And here is this morning’s 12z Euro run for the late in the day on Christmas. Some differences, but overall the models did a good job sniffing this out this pattern far in advance

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Winter about to roar back into the PNW, Potential for 3-4 feet of snow in the OR and WA Cascades over 4,000ft during the next week. Snow levels reaching possibly as low as 1000ft on Thursday-Friday (no snow expected in the valley)

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This future bomb cyclone is going to be astounding. It's likely to go under a warm seclusion as it rapidly deepens. Hurricane-force winds are expected but thankfully well offshore but the waves will be large & dangerous. 50ft+ waves are expected.

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most powerful storm in Northwest history, with the lowest central pressure ever observed. this storm is no joke keep checking the weather for our area!

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Its a week out, but I love seeing the Olympic Velocity shear zone (Puget Sound Tornado Alley?) showing up in the models.

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Hard to imagine a more beautiful sight after a summer of brutal heat, drought, and fire in the West.

A powerful Atmospheric River stretching the width of the Pacific is bringing heavy rain & mountain snow to and likely putting an end to fire season there.

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A dangerous and potentially historic heatwave is forecast across the Pacific Northwest 🇺🇸 and British Columbia 🇨🇦 this weekend and early next week.

Temperatures are likely to exceed 100°F/38°C in places, which is a whopping 30-40°F/20-25°C above normal 🔥

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Available moisture looks to approach 200% of normal this weekend as an atmospheric river impacts the Pacific Northwest. Steadiest rain Saturday night through Sunday. Humid on Sunday, too

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The similarities of the 1974 heavy snow event and tomorrows system is really uncanny. This frontal passage tomorrow is starting to look like a powerful event. Some truly intense precipitation rates showing.

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Forecast shows the smoke pouring in from the east. Wildfires exploded in Eastern Washington through today dumping a lot of smoke there, and now the big east wind storm we've been talking about is blowing it all this way:

MORE: https://t.co/aK2fEaXd4n

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Another round of thunderstorms is entering the Palouse from the south. This is about a mile south of Genesee

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What’s a better iOS app for weather than the Weather Channel one? Not only are the premium ads annoying as hell, but I’m pretty sure it picks numbers at random. Three different pages giving three different readings for right now.

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For Western WA, all models now show a continuation of cool weather into the end of July (a change from the heat that was being advertised a week from now). They also show good precipitation amounts for this time of year. Could be good news for our dry forests!

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Tomorrow's forecast: 93 degrees and smoke

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