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Pattern January Joke

View attachment 180735I may be alone in this, but I’m still absolutely disgusted by the trend for next week. Second half of the month had better be good.

The way it looks now, we’ll probably do the exact opposite of December in January, just a bit above normal first part of the month and hopefully below normal on the back half.


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View attachment 180735I may be alone in this, but I’m still absolutely disgusted by the trend for next week. Second half of the month had better be good.
We just can’t keep dropping PNW fish troughs and expect anything but a fat ridge throughout the eastern US
 
that’s some pretty serious cold during the afternoon, I know it’s a ways out but wow that would be tough for FL standards.


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That map here in the NC Piedmont would be highs in the low to mid 20s with full sunshine
 
Not that it matters this far out and you have to get the cold to get the glory, but I worry that's a very cold and dry situation.
Yeah, this is the most extreme run. On the bright side, with a cold push like this you can score with it coming in and going out between the cold/dry period.
 
Breathe Chill Out GIF by CSDRMS


I think we’re gucci and maybe sooner than we think. That GEFS AI is scoring pretty good too.
 
Here's where we end on 00z Euro
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Yeah AIGFS drops a 50,000 nautical mile wide pacific blue blob that covers as an Aleutian low because it’s so damn big and we start to cook towards the end of the run. So we’ll take it as a small win tonight 🤷‍♂️ IMG_7257.png
 
The trend since yesterday’s EPS has been interesting: more +PNA but less -EPO/-NAO/-AO:
View attachment 180762

Meanwhile, 0Z GEFS is still another run with a strong SER and -PNA.
It’s probably gonna wobble back and forth a lot but hopefully this means little in the way of SE ridge.

A smidge wouldn’t suck if blocking collapses, but we want it pretty muted.

At the range we’re at, we really can’t ask for more than what we’re seeing.
 
Even though the 06z GFS was ugly in every way. The 06z GEFS made big shift towards the AI means with respect to the ridge/trough placement. Maybe we're finally rounding the corner and will start to see more favorable stuff on the 12z runs today.

Also want to add the the GFS/GEFS is still an awful model and basically equivalent to looking at the CFS. It should get almost 0 weight in forecasts.
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Maybe, just maybe... this is the start of something. Hopefully 12z runs build on this.

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I know people have said this, but the AI ens snow maps are trash man. Not trying to be a buzzkill. But even this shows a snow signal on oil rig 92 in the Gulf.
 
Update from BAM!!




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I’ll try this post again and this time with the correct PNA images :):

The 4 Jans BAMwx listed all flipped from a mainly strong -PNA in Dec to a moderate or strong +PNA in Jan:

2010-11: -1.78 to +1.29
2012-13: -1.01 to +0.55
2013-14: -0.86 to +.0.97
2021-22: -2.56 to +1.01

I expect Dec of 2025’s PNA to calculate to ~-1.5 to -1.7. It obviously remains to be seen what the Jan of 2026 PNA will be. Hopefully the 0Z EPS trend is onto something regarding the PNA and hoping the 0Z GEFS’ continued -PNA is off:

EPS improving
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GEFS still ugly
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People are high on the good runs and wanting to cancel winter on these bad runs. Could the models be having issues with the energy flying around and maybe give it a week before diving? I get how things have been the past few years and it’s understandable but at the same time we are around two weeks into winter. I’m not saying it will get better but it’s still early!
 
People are high on the good runs and wanting to cancel winter on these bad runs. Could the models be having issues with the energy flying around and maybe give it a week before diving? I get how things have been the past few years and it’s understandable but at the same time we are around two weeks into winter. I’m not saying it will get better but it’s still early!
I think this year the modeling may be off more than usual because there’s no strong signal from any of the telleconnections we use. Enso, mjo, and most of the rest are flat and not the main driver we’ve seen in previous years. I’m hoping a -NAO and +PNA can help. There’s been other hints in the pacific too that could benefit us. Unfortunately, it’s going to take a few weeks.
 
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