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Pattern December Doldrums 2025 🎄 ❄️

There is this, if you advance the loop a few hours and live in coastal SC.



prateptype_cat-imp.conus.png
 
Had surprise frost this morning. Looking like a run tonight decently below freezing but too much wind for more. ILM still discussing 4-5 days AN this at or below normal around Sunday timeframe. I still don't think this stretch will be enough to get us AN for the month at KFLO.
 
Related to my post just above this….
From elsewhere, look at how much the EPS has evolved for late month over one week of runs: note that this major evolution has occurred with the Aleutian ridge not budging but at same time the -NAO gets stronger and forces the rise of the PNA/big colder E US change from the NE!
IMG_6381.gif

@Webberweather53
 
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Related to my post just above this….
From elsewhere, look at how much the EPS has evolved for late month over one week of runs: note that this major evolution has occurred with the Aleutian ridge not budging but at same time the -NAO gets stronger and forces the rise of the PNA/big colder E US change from the NE!
View attachment 179529

@Webberweather53
That ridge on the west coast hooking up with the -NAO, is good for cold in the East? Correct??
 
The record breaking Torchmas and highs in the 60s talk by local Mets the last week or so, gonna bust! Thanks to clouds and fog all day! Suck on that 🔥IMG_4069.png
 
Related to my post just above this….
From elsewhere, look at how much the EPS has evolved for late month over one week of runs: note that this major evolution has occurred with the Aleutian ridge not budging but at same time the -NAO gets stronger and forces the rise of the PNA/big colder E US change from the NE!
View attachment 179529

@Webberweather53
The -NAO is getting stronger and stronger and more west based. It’s pushing the North Atlantic trough further and further south and west.
 
FWIW, the 06z euro is back to showing a similar solution that spit out the snowstorm on the 00z run from yesterday…

View attachment 179531View attachment 179533
Good catch! Wouldn't it be something if we see our little slider make a comeback over the next few cycles? Perusing through the various parameters confirms a near-perfect match with the execption of the stronger LP over the Canadian Maritimes.
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