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Everything posted by Carvers Gap
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
0z CMC. Nice run.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
Track is good...just need more precip. Seems like models have shifted slightly SE - minus the NAM which is way on the western periphery.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
0z GFS at 42. Low is nearly in Upstate SC. Flow is flatter.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
0z GEFS is rolling.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
Heaviest snow axis has shifted slightly SE on the RGEM. Good run. Held serve pretty much.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
I think we are looking at a powerful front/storm which modeling just is having trouble getting a handle on...- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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?- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
3k NAM on Tropical Tidbits looks reasonable, right?- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
Think it is slightly too early to be using SREF plums and the NAM right now. Might me right, but looks suspicious....- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
Looks too weak and the system is moving quite quickly. But...it might be enough to back the flow.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
Which it "should" trend towards(the NAM).- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
Yes, and the one thing about the Euro is that is pretty consistent right now.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
For sure!!!- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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Dandridge Dollop 12/24/20 Storm Thread (Winter Wonderland)
Carvers Gap replied to AMZ8990's topic in Tennessee Valley
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.- 847 replies
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