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Everything posted by Carvers Gap
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December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
12z Euro is east of its 0z run...sometimes well east. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Hour 192 snow accumulations on the CMC at Tropical Tidbits. This is from TWO systems... -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Check out meteocentre. Not as good as yours, but gives you a heads-up. Will be interested to see the smaller time increments on the gif. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
The UKMET at meteocentre looks slightly east. Biggest thing I notice is that the slp along the GOM is east on many of the models in the 12z suite. Some go the Miller A route while some lift due north. UKMET looks like it sent party of its low east of the Apps before heading straight to TRI form east central Alabama. Wrap around is wicked with the UKMET. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Agree. Storms like this wobble quite (with each run) a bit due to the phase being tough to model (timing and placement). The envelope right now, though trending slightly eastward, doesn't leave middle TN out of the game at all. I do think places like Monterey might be sitting pretty nice. For MBY, definitely hoping for an eastward jog...for yours I will be happy to see it jog back west. Hoping we can get accumulating snow in the forum area to start the season. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
No problem! The 12z CMC really upped your totals in Corbin. Been interesting to watch. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Definitely like it! -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Looks to me like that from is far enough south that it is causing a later phase. I always hold out hope(no matter how unfounded!) that he slp gets further east and pulls due north. Those traditionally are pretty good storms. Also of note, many of the models are popping a low now over Delmarva pretty consistently which is a pretty good sign of a strong storm. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
At 42 the 12z CMC is south and east of its 0z run and slight weaker. Last comment on that model so as not to gum up the thread...trend south and east with it as well. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
CMC at 24 is further south but looks like it has the ability to come north quite quickly from the Louisiana/TX border. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Can already tell the 12z CMC has initialed slightly quicker with the northern low in Alberta when compared to 0z. Edit: but the Holston's front is a hair further south. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
12z CMC is now rolling. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Which model has that modeled the best? -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Going to be a really good test of modeling with this system. Getting the phase right seems to be the hurdle. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Pretty much a great angle in terms of winds. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
The 12z GFS is just weaker by a few mb. One can go to TT and toggle back about 5 runs from that point. You can see the system slide eastward every so slightly. Could it be a more progressive bias from the GFS? Maybe. That weaker solution is likely due to a later phase. This could still trend into a stronger system east of the Apps or it could just run the Apps. Lots of moving parts and interesting to watch. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
12z GFS is way eastward with the slp....phase is just later. There are two lobes of precip with the southern system - one over northern MS and the other sliding along the GOM. When the lobe over norther MS is weaker, the primary low/energy shifts to the GOM. I am guessing that is due to a later phase. Pretty much can see that on all modeling. When the lobe over MS is stronger, system and slp are west which indicates an earlier phase. Finesse stuff. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
12z GFS is rolling now.... -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Some decent differences in the RGEM in SLP placement and strengthening immediately after hour 40. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
Seems like the differences go back to when the storm comes north from Louisiana. Recent solutions get the storm further East before turning. The 12z RGEM pivots the bottom of the total precip shield eastward and the precip shield in Indiana and Illinois westward. Was a bit later with the turn but sharper turn north once it turned. As Holston notes, once the northern stream energy grabs it, it goes almost due northward. It is worth noting that the RGEM shifted eastward in regards to when it arrived in the TN Valley. May well be that the trend is a later phase. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
There are actually two lows present at 51z on the 3K NAM for TT (national view). Either energy handoff or a lee side low develops. Not sure the slp placement changes the solution(outside chance it might) much, but really watching this for future reference. I have thought the Euro was over-amped...just wanting to see if that hypothesis is correct for this circumstance. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
The 12z WRF-ARW is southeast of its 0z run. Not a ton of difference in track, but if the storm consolidates on either side of the Apps(not as confident as yesterday that happens west of the Apps), this storm may be stronger. Right now, it may well be missing the phase until later - just guessing as I have not seen the vort maps. Just seems like there is less of a mechanism to pull it Northwest which is why some modeling is sliding it further eastward before turning it. Just giving the ARW one last look, it is now basically a Miller A. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
6z GFS is now a Miller A. As John notes, the Euro operational is not budging. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
0z GEFS now has a just more than half the SLPs east of the Apps with a low now coming through between Mars Hill and Asheville. That is a decent shift in the location of the slp. -
December 2020 Medium/Long Term Pattern Discussion.
Carvers Gap replied to John1122's topic in Tennessee Valley
0z GFS is most eastward of the last four runs with a slight eastward jog of the slp center since 0z last night. The 0z. GFS now sends a portion of the energy east of the Apps. The 0z run from last night too the center through middle TN. This run is splits the app with the designated low along the spine or just a hair west of it.