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January 10/11 Winter Storm Potential - May the Odds be Ever in our Favor


eyewall
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  On 1/7/2025 at 4:41 PM, wncsnow said:

Well the good mojo may have stopped. The UK is weaker and warmer. 

prateptype_ukmo-imp.us_ma (2).png

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This UKMET map, like CMC, makes much more sense in relation to 1000/500 mb thickness guidelines with it having all the snow with thicknesses lower than 548 dm. But then it has rain in NC up to 540 line, which doesn’t jibe.
 

Aside: Note that UK has 547 line much further south than GFS/CMC. Thus it makes sense that ATL has heavy snow on the UK.

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I think overall the better models are probably picking up more on the snowpack to the north in the Mid-Atlantic and yeah the Ukie is not great on thermals. Any of these tracks from this morning should break the RDU snowless streak. Honestly for photography purposes snow then ZR can be good if the trees get nice and glassy.

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  On 1/7/2025 at 5:03 PM, eyewall said:

I think overall the better models are probably picking up more on the snowpack to the north in the Mid-Atlantic and yeah the Ukie is not great on thermals. Any of these tracks from this morning should break the RDU snowless streak. Honestly for photography purposes snow then ZR can be good if the trees get nice and glassy.

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Every 12z model so far has been a warning level event for RDU… 

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As we look at precip type over the next few days, just need to keep in mind the sleet line will come much further north than modeled and the flip from sleet to ZR will be slower than expected. At least that's how these dynamic storms normally play out

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  On 1/7/2025 at 4:20 PM, GaWx said:

Is anyone else bothered by this thickness/precip type 12Z GFS map? Typically in the SE the snow line is near 546-7. But this shows snow with thicknesses well over 552! How can this be? This is so odd! Can anyone explain this? I’d be highly suspicious of precip types on this.

IMG_1673.thumb.png.7d8a84254757ccea0b507022c89d197c.png

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You must immediately desist with your questioning of the sleet due to Tony and me !

This is science, after all.  (sarc)

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  On 1/7/2025 at 5:07 PM, NorthHillsWx said:

Historically I’ve used the Ukie for predominantly fodder or entertainment. But I could say the same for the Icon, and I’m willing to hang my hat on that at the moment :D

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It verifies usually just behind the Euro but thats 500 heights.  It can show funny things for precip type/QPF so usually you want to use it just for track

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  On 1/7/2025 at 5:01 PM, scottk said:
As someone who lives in NE SC, it’s great to see that I-95 is being forecasted to retain its magical snow-melting abilities smh

Bro it’s so frustrating, being that I’m from Florence, I know all to well the pit in your stomach when everyone else is getting winter weather. However if the low tracks far enough offshore sometimes the Pee Dee can be the sweet spot.


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  On 1/7/2025 at 5:37 PM, BooneWX said:

Euro sort of sticking to its guns on a weaker more strung out wave. Slightly warmer this run too. Widespread 2-4” in NC.

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Ugh.. was really hoping euro was going to come around. Not good to see that. For what it’s worth, euro actually came around to the gfs last storm and compromised. Hopefully we can get that to happen again.

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  On 1/7/2025 at 5:10 PM, Shack said:

You must immediately desist with your questioning of the sleet due to Tony and me !

This is science, after all.  (sarc)

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I’m questioning more the snow line on the 12Z GFS. Snow in some places with thicknesses as high as 555 mb, a low tracking near Cordele, GA, and 5-6” of snow in Atlanta don’t usually all go together. I’d say that on the GFS either the thicknesses are too high (and will end up being lower like that of UK/Icon), the low track is too far north, and/or the heavy snow line is too far south.

IMG_1678.thumb.png.fb06137c2521a83d541e1a11b1fc9f08.png

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  On 1/7/2025 at 5:43 PM, BooneWX said:

So far at 12Z:

Icon: Improved

GFS: Improved

GEFS: Improved 

Canadian: Same 

Ukie: Worse 

Euro: Roughly the Same 

EPS: TBD

Euro AI: TBD

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I wonder if what we are seeing is more consolidation in the expected low track.

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