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Carvers Gap

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  1. Seems like the trend at 0z is to lower the angle of entry into the forum area. We saw the runs all day sharpen up the trough. The trough at 0z (absent the NAM) looks more neutral. Also, take a look at the top of the snow axis over the GL region. Toggle back a run, and you can see it "lean" to the east. That allows more snowfall on the SW side of the storm and into more of the forum area to the west.
  2. Track is good...just need more precip. Seems like models have shifted slightly SE - minus the NAM which is way on the western periphery.
  3. I think we are just looking at a model that is just now getting into range. It could be a trend setter or it could be an outlier. Just seems like the NAM's really amped line of storms is cutting off moisture transport behind the front, and thus lowering totals. Is the cold front slower when diving into the front or is it a lack of moisture behind the line of storms?
  4. Think it is slightly too early to be using SREF plums and the NAM right now. Might me right, but looks suspicious....
  5. Have seen little model support for that solution today. Maybe there is some new data which supports that...but the NAM just looks over the top amped.
  6. Just looking at the 500 vort map stuff, looks like the front on the GFS/NAM combo is a lot stronger than most of the other models. It is pulling the storm well west...just not sure how believable that is, but also illustrates just how difficult this is to get right. "Low confidence" has been my phrase all week. Yep...pretty much.
  7. The 0z 12k NAM at 39 is well west of the 18z run. Just looks overly amped - like way over the top stuff. It might be right...but it might not.
  8. Was a hair east of 12z(barely) in both snow axis and slp. Slightly more snow in NE TN is reflected by the shift. Overall, very similar.
  9. Man, the NAM is just amped on that run. Nice run for NE TN in terms of Kuchera totals, but wouldn't trust that model as far as I could throw it at this range! LOL. As tnweathernut said...thunder, lightning, and snow all in the same day. 2020 for ya right there.
  10. I don't think so. I think this is more like the base of that trough forms two waves. One runs up through western NC and then another forms right along the coast. These powerhouse cold fronts have all kinds of energy. Short story...I don't see energy transfer to the coast. Now, there may be some energy transfer from one side of the apps to another at some point, especially further north.
  11. Just browsing the Euro...weak slp pressure forms in east-central Alabama. It moves NNE to extreme NE TN. Meanwhile a very weak area of slp forms near Charleston, SC, and moves along the coast. That feature is not on the GFS which I can find.
  12. I think the potential is there for a big thump for somebody. Timing a strong cold front which is chasing into a line of precip from the West is tough. Ideally, we would want the slp to slow as it forms.
  13. 12z operational scorecard: UKMET: NE TN scraper but otherwise a whiff. GFS: Plateau and elevation dependent in TN. Eastern half of KY scores but less than previous runs. Euro: Consistent and beefs up numbers. CMC: Ohio...wow. High end of probability and a bit of an outlier. Trends: Westward jog on GFS and NAM. Others are fairly similar including RGEM.
  14. Remember, new is on the left. 12z GFS operational compared to 6z. Looking back, the GFS "should" have been stronger. Low placement was decent, but precip was lacking once the changeover occurred. That is a legit option.
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