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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Here we go again! Winter driving on the West Coast explained.

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🌡️Exceptional high temperatures for mid-October in 🥵

29.1°C Squamish
28.5°C Abbotsford
28.3°C Hope
28.2°C Agassiz
27.6°C Port Alberni
27.5°C Pitt Meadows
27.4°C Cultus Lake
25.8°C Port Mellon
25.6°C North Cowichan
25.4°C Callaghan Valley [884 m]
1/2

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Looks like will remain in full force out heading into Sept. Strong signals that more will develop.

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Long range pattern points to predominating out heading into Sept.

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Keeping an eye on this one. If this pans out, we might be looking at record warmth coming to the end of August.

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Following this convective trouble-maker, upper ridging reestablishes itself in western Canada next week bringing more heat and dry conditions, so the potential for both new fire starts and holdover fires will exist, especially across the southern interior.

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An intense appears to rebuild back out 2nd half of August.

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As the upper low over the coast & upper low over Alberta shift away from BC, the widespread rain & high elevation snow in the Interior from the AB low will gradually fizzle out through the AM-early aft as a weak ridge builds & the AB SFC + upper low move further east.

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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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Entering a colder pattern starting this Tuesday.

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Unfortunately, the atmospheric river will stall and funnel into the Fraser Valley, bringing monthly rainfall totals in a day. I don't see how we escape a major flood event. Updates to come.

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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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River of rain directed at southwest BC, as seen in these images from GOES-17 taken around 7 PM PDT tonight. Originating well north of the Hawaiian Islands, this should probably not be characterized as a pineapple express.



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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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Another historic day in 🇨🇦 with up to 40.2°C in and 39.8°C in Port Alberni (new August record for the entire
Monthly record in (39.4°C), (37.0°C), Pitt Meadows (36.6°C), (35.5°C), etc.

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