Turn toward Summer

Posted by Rufus La Lone on

Friday June 10

Looks like the PNW will soon get a favorable ‘turn’ toward Summer weather pattern.  Let’s hope this verifies.
A WET weekend is still on tap, as the ‘jet stream’ directs moisture-saturated air over the PNW.  Washington got the drenching yesterday; Oregon is on tap for much of the moderate-to-heavy rain this weekend.  Because of the very warm air mass aloft, heavy rain over the mountains not only melts some of the snowpack, but also raises stream & river levels notably.  Our large ‘main stem’ rivers will be impacted, esp the Columbia.  Expect rain turning to showers by later on Sunday, with showers diminishing from south-to-north as next week begins.
The Turn.  Models hint at a Low pressure system remaining off the OR coast by the middle of next week, so we’ll go with a very slight chance for a shower on Thu, but overall after Tue we see a stretch of drying out and WARMING for western portions of the PNW.  The weekend of Jun 11,12 is trending rather MUGGY, with a Low moving N out of Nevada across eastern WA that will usher in rather intense showers/thunderstorms over the eastern portions of OR, WA and possibly ID.  Some of that moisture may push out of the Cascades into southern OR, as far north as Salem overnight Sat.  Early yet, but we may be in for quite a ‘light show’ the night of Jun 11. 
Other than that threat for storms cells drifting west next weekend, western portions of the PNW should remain DRY and warm.  In fact, if models verify, temperatures later in the week of Jun 13-17 are likely to pop into the 90s (esp southern OR and east side) - for the first time in 2022.  Ponder point: will that be the first heat wave of 2022?  For now, it looks like onshore flow will cool the west side down by Sunday, Jun 19.  California will toasty hot.
“It is when we forget ourselves that we do things that are most likely to be remembered.”
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