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Jan. 17-18, 2026 SE Winter Weather Threat

iwantsouthernsnow123 said:
I get AIFS is definitely advancing but I'm not convinced there isn't any fail modes. Can't forget what happened last year

Sampling not long ago appears to look generally better for the south
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I have to agree with you. I am very weary of buying the eastern solutions for this storm even if it’s for a model suite that’s supposed to be the best thing since sliced bread, which it’s not. The AIFS has its own issues and rarely gets the details right even if the pattern isn’t much different. The details are what will matter a lot here because of the positive feedbacks that happen between sloped moist ascent, warm advection, and the overall synoptic pattern/wave tilt.

If we had a big 50-50 low sitting to the NE I would be willing to bite on the eastern camp because we would have something to stop the northward advance of this event and a lot of times the GFS gets underestimates how much this can suppress things. Oth, there’s nothing stopping this from trending north to its heart’s content that is what worries me here for the Carolinas.
 
Stormdoc said:
Good thoughts about the storm here in the Carolinas. I am hoping some stronger dynamics may be able to overcome some of the warm air advection, especially if it pivots and turns negative as it pulls away. There should be some good confluence with the PV in SE Canada, and 850s are like going to also crash quite cold after the pivot, so hoping it will be able to keep the mid levels and surface colder as long as we get heavier precipitation. Of course, this could be my inner weenie wishcasting 🤔
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When you have an overrunning type event like this, the cold air usually needs to get here first or you need to have a way to viably transport it here to thwart the mid level warm advection and LHR aloft, we just do not have in this setup. We are waiting for the cold air to show up and bulldoze thru the mtns as the precip begins, much less at midday which will only slow up the front even more. That of course also causes a sudden north shift in this precip too because your primary forcing mechanism to generate it is tied to moist ascent over top the front itself. I just don’t like anything I’m seeing wrt cold air transport in the Carolinas.

We don’t have confluence to the NE, this is actually a very diffluent pattern over SE Canada with a ridge offshore Newfoundland and a trough axis that a farther away zonally over Manitoba than it is down south

IMG_7245.png
 
Webberweather53 said:
I could honestly see how a scenario like the RRFS happens. The cold air just takes too long to here in the Carolinas and the snow is mostly confined to the mtns, foothills, and western Piedmont, with AL-GA-MS cashing in

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Webb you believe the Euro will trend NW and send more precipitation for the gulf coast for Sat/Sun storm?
 
Tsappfrog20 said:
Hey Eric just wondering do you think it’s going to be a kinda split the difference between the gfs and euro in the end or is your expectation that all will trend towards the gfs and gefs


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I’ve made my opinion clear the last day or so. I do not buy the eastern solutions for a host of reasons
 
Webberweather53 said:
With overrunning events the cold air *has to* get here first and that’s just not the case in the Carolinas with this one. Totally different story in MS, AL, & GA
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New 6z NAM looks snowy in the western half of the Carolinas!? Very snowy! And NAM usually underdone on precip! Gonna be a lot of happy people in the morningIMG_4289.png
 
I could definitely agree with Eric. And I hate that being in CAE. It does look like a warmer version of 2014. And many could easily lose this to the West. No cold air lock. It would be an odd set up win for the Carolinas if we win here.

If you think about it, a Western scenario would be common to what we’ve seen the last several Winters. A boundary setting up & most in here East of the Apps getting wiffed. Reminds me a little of the January 2024 storm for the Mid South also.

If that does end up happening, it’ll be a pretty bad wiff by the Euro & EPS. It’s about to be a battle in here on who is pulling for what. Sorry to be a buzzkill right when everyone wakes up. Here is to a good day of tracking!
 
Again, for those us east of the apps I think there’s a solid chance for snow in this setup but it’s for the 85 North crew. Like Webber said, I think it’s going to be hard to get the cold to drive far enough south and east especially when the entire driver of this is WAA. If you look at most of these models the 85 corridor is close enough temps wise and location wise to get enough cold feed to get snow in this setup. The further you get away from the mountains and lose elevation it’s going to be really really hard to score here. In overrunning the issue isn’t the moisture you’ll see the precip shield as a whole get larger and larger until go time. The issue is and always will be do we have an established cold airmass in place first or some type of feeder. The good news is the opportunity for dynamic cooling is very real here with temps at or below freezing in the mid levels before the precip arrives so then its rate driven to get it down to the surface. But again, the best opportunity for that is along 85 and north where it’s established a few hours ahead of the initial moisture fetch.
 
Woah icon with a lot more QPF this run. Pretty substantial shift west. Also mainly in the form of snow in the Carolinas


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Mitch West said:
I could definitely agree with Eric. And I hate that being in CAE. It does look like a warmer version of 2014. And many could easily lose this to the West. No cold air lock. It would be an odd set up win for the Carolinas if we win here.

If you think about it, a Western scenario would be common to what we’ve seen the last several Winters. A boundary setting up & most in here East of the Apps getting wiffed. Reminds me a little of the January 2024 storm for the Mid South also.

If that does end up happening, it’ll be a pretty bad wiff by the Euro & EPS. It’s about to be a battle in here on who is pulling for what. Sorry to be a buzzkill right when everyone wakes up. Here is to a good day of tracking!
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Look at it this way. If that picture of the nam was true verbatim and that snow line cut our county in half, we would be dead center bullseye for accumulation due to shear amount of precip, even if the ratios werent great
 
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snku_acc-imp.us_state_nc_va.png
Just as an FYI, it’s still snowing in the upstate and NE Georgia here. Likely another 3-4 hours of it IMBY. Likely finishing with 3-6” along and north of 85 Kuchera ratio as shown above.
 
With that said, the heights are still pumped up further east, just not as much which I think is fine. We were getting close to being entirely too amped and rain being the dominant precip type
 
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