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Pattern February 2024

GEFS does not look like the OP.
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GEFS pretty split on outcomes. Some amped, some suppressed, some wintry, some not, and some wintry south of I-20 so I’d say still a good spread of possibilities. Tells me there’s still time needed to sort some things out for better or worse.

Edit: here’s the best frame to show some of the solutions and the snow members
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It’s like when we lose a medium range pattern these days it happens in about 6 hours. Billions of dollars worth of modeling can’t even account for the issues we’re having and have had in the pacific for years now. I don’t know what it is but the east coast as a whole even at latitude is having a tough time. You have to think this will flip violently at some point.
 
I mean it’s easy to say “well it just doesn’t get cold here anymore.” But when you’re bordering a super El Niño coupled with a northern stream as active as it is and has been, you don’t even have a chance to get cold air anywhere nearby. You’re fighting two jets and are NEVER able to get any kind of overrunning high pressure established into the pattern. It’s a fools errand. Yeah we get the 50/50 low but we only get that because there’s 10,000 waves from both streams crashing into it feeding it at all times.
 
Jimmy Hypocracy said:
It’s like when we lose a medium range pattern these days it happens in about 6 hours. Billions of dollars worth of modeling can’t even account for the issues we’re having and have had in the pacific for years now. I don’t know what it is but the east coast as a whole even at latitude is having a tough time. You have to think this will flip violently at some point.
Click to expand...

It doesn’t flip because pattern persistence seams to dominate. Without cross polar flow there is no source. Period. We had 10 days of it in January.


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The overnight move on models to undercut the ridge out west is just awful. We can’t win this year. That new wrinkle not only ruins our chances on feb18-20, but it seems to lead to the pv setting up shop in central Canada down the road as well which is no good for us. Double whammy failboat.

There’s still time for those undercutting solutions to be wrong though.
 
The lack of cold air isn’t just a problem for the South. It was nearly 60 here in Chicago this week. We may get snow next week from clippers but our temps will still be AN and accumulations will be meager. The predicted northeast systems are trending north and will depend on dynamic cooling with crappy ratios. Minnesota is having an epic snow drought. It’s everywhere except the mountain west.


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