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Mid to long range discussion- 2025


wncsnow
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22 minutes ago, BornAgain13 said:

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The 18Z Euro AI has the 546 thickness line, often a proxy for the snow/sleet line, way NW of the GFS and near the 12Z Euro from Rome, GA, to the TN/NC line. The majority of the qpf on that 12Z Euro was in the form of ZR for much of GA/SC/NC. So, my guess is that much of the 18Z Euro AI precip is similarly ZR over a good portion of GA/SC/NC near and SE of a line from ATL to GSP to RDU. That’s not surprising with the low close to the SE coast rather than well offshore. This as modeled is very likely not a major snowstorm for most here.

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The 18Z Euro AI has the 546 thickness line, often a proxy for the snow/sleet line, way NW of the GFS and near the 12Z Euro from Rome, GA, to the TN/NC line. The majority of the qpf on that 12Z Euro was in the form of ZR for much of GA/SC/NC. So, my guess is that much of the 18Z Euro AI precip is similarly ZR over a good portion of GA/SC/NC near and SE of a line from ATL to GSP to RDU. That’s not surprising with the low close to the SE coast rather than well offshore. This as modeled is very likely not a major snowstorm for most here.
But rather a catastrophic ice storm

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7 minutes ago, GaWx said:

The 18Z Euro AI has the 546 thickness line, often a proxy for the snow/sleet line, way NW of the GFS and near the 12Z Euro from Rome, GA, to the TN/NC line. The majority of the qpf on that 12Z Euro was in the form of ZR for much of GA/SC/NC. So, my guess is that much of the 18Z Euro AI precip is similarly ZR over a good portion of GA/SC/NC near and SE of a line from ATL to GSP to RDU. That’s not surprising with the low close to the SE coast rather than well offshore. This as modeled is very likely not a major snowstorm for most here.

That low is 50 miles off the coast and weak. Pretty close to benchmark for RDU. I don’t know what we’ve got to do to get a pure snow here anymore. 

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8 minutes ago, StantonParkHoya said:

Just realized the Euro AI is almost 36 hours slower than some of the other models. Think we need this to eject out of the southwest faster. We need a Monday/Tuesday storm for a snow play.

And we still have a chance for a NW track trend from there though the Siberian high may prevent that. Euro AI didn’t do well too far in advance with the surface pressures and winds. Remember those runs with a clipper low and no wedge/warming S winds ahead of it and on back side of offshore high? That looked very suspect based on history and turned out wrong.

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May have been mentioned already, but the high is not in a great placement, at least on the GFS.  Having a high centered over the western US is not good for us.  That super cold dense air has a hard time bleeding over the Apps...

We want the strong high to be to our N/NE to funnel the cold stuff east of the Apps.

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0Z ICON has several inches of snow FL Pandandle/SE AL to C GA to NE SC/SE NC and significant IP/ZR further south. Much of this in SC/SE GA and S SC that is S of the snow is ZR, some of it major amounts of 0.75-1” and it’s not over as of the end of the run as there’s probably another 6-9 hours of precip to go with no warming flow off the ocean due to N winds. Thank goodness it is just a model that’s out 168 hours and realizing this kind of ice hasn’t happened there in much of that area in over 100 years.

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Just now, Brick Tamland said:

Back in business.

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We keep getting different looks but in the end still have a signal and get snow into parts of GA, SC, and NC.  Run after run consistency. I know we all want a Big Dog....but some of us still didn't have the ground covered on the 10th.  I would gladly take this.  Of course, it would be nice to get that Big Dog!

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