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Winter 2013-14 Pattern Discussion III


Marion_NC_WX

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How do the ensembles look through the end?  Does the cold hint at returning or is it Spring torch from after the event on?

It goes from slightly below normal temps at day 10, to near normal at day 13, to slightly above at day 15 (going by 850 anomalies).  Not as much of a +PNA look this run.  After day 10, it looks more like an Aleutian Low / Alaska Low combined, with below normal heights maintaining in Davis Strait.  Slightly below normal heights in the east transitioning to near normal

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It goes from slightly below normal temps at day 10, to near normal at day 13, to slightly above at day 15 (going by 850 anomalies).  Not as much of a +PNA look this run.  After day 10, it looks more like an Aleutian Low / Alaska Low combined, with below normal heights maintaining in Davis Strait.  Slightly below normal heights in the east transitioning to near normal

 

Good deal, thanks.  Based on that, it doesn't raise my confidence of any more winter weather after next week.  I'm sure the LR progs will change.  But at this time, it appears to be in stark contrast with what the CFS is seeing for March.

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Climo starts to really work against most of us after the first week of March, too. IMO, the first week of March is a climo-favored period for wintry weather (maybe more so in MBY than in areas further south and east, but still), but after that you have to start living on a prayer if you want anything. It is certainly possible, but unlikely.

Im looking at 3/6 like it's our last chance and that's why I'm all-in. I can only think of five major storms to impact NC (outside the mountains) after the first week of March: March 1974 (?), March 1981, March 1983, March 1984, and March 1993. Of course, 1960 delivered until late in the month, too, IIRC. 1981 was mostly confined to the western Piedmont more so in the mountains, as was March 1983. 1974 (I might have the year wrong) and 1984 were widespread into SC and GA.

Apparently, areas of the northern NC Piedmont got an inch or so in mid-March 2005, but I didn't live here from 2004-2007.

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Climo starts to really work against most of us after the first week of March, too. IMO, the first week of March is a climo-favored period for wintry weather (maybe more so in MBY than in areas further south and east, but still), but after that you have to start living on a prayer if you want anything. It is certainly possible, but unlikely.

Im looking at 3/6 like it's our last chance and that's why I'm all-in. I can only think of four major storms to impact NC (outside the mountains): March 1974 (?), March 1981, March 1983, and March 1993. Of course, 1960 delivered until late in the month, too, IIRC. 1981 was mostly confined to the western Piedmont more so in the mountains, as was March 1983. 1974 (I might have the year wrong) and 1983 were widespread into SC and GA.

Apparently, areas of the northern NC Piedmont got an inch or so in mid-March 2005, but I didn't live here from 2004-2007.

 

The WB members are really good…I don't believe them for a second though  :bag:

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Climo starts to really work against most of us after the first week of March, too. IMO, the first week of March is a climo-favored period for wintry weather (maybe more so in MBY than in areas further south and east, but still), but after that you have to start living on a prayer if you want anything. It is certainly possible, but unlikely.

Im looking at 3/6 like it's our last chance and that's why I'm all-in. I can only think of four major storms to impact NC (outside the mountains): March 1974 (?), March 1981, March 1983, and March 1993. Of course, 1960 delivered until late in the month, too, IIRC. 1981 was mostly confined to the western Piedmont more so in the mountains, as was March 1983. 1974 (I might have the year wrong) and 1983 were widespread into SC and GA.

Apparently, areas of the northern NC Piedmont got an inch or so in mid-March 2005, but I didn't live here from 2004-2007.

 

March 25, 1971 was major ZR ATL and major SN NE GA

 

12Z EPS: similar to 0Z EPS but about a degree colder at 850 at ATL (+3 C, indicative of ZR/IP threat) and much colder than Euro, which is again a warm outlier; Per clown, wintry qpf similar to 0Z EPS: 0.25" ATL, 0.28" AHN, 0.18" MCN, 0.23" CAE, 0.30" CLT and GSO, 0.25" RDU. Total qpf in CAD regions heavier with 1" vs 0.75" 0Z EPS.

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Just looked at the Euro and CMC ENS. Euro ENS looks much better to me than the CMC ENS. That being said I still have a nagging suspicion models showing a winter storm are out to lunch and the Euro OP is probably correct with it's warmer solution. Just a hunch and nothing really scientific to back it up. 

 

Agreed, ENS are nice but to not have a single Op run showing this should be a huge cause for concern.  The Euro Op isn't even close.

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NavGEM is an interesting solution for the 3/3-4 event, the SS energy gets detached and comes in a day later after the cold front swings through, that's snow for everyone CLT to FAY and north (95 and points west).  

 

Edit:   Probably should have posted this in the banter as this won't happen.

 

 

nvg10.prp.114.namer.gif

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The 00z Canadian is a historic crush job from roughly I-85 and on to the west.  There's some taint, but there's so much precipitation that it's an absolutely hammerage.

 

The clown map (which tends to be fairly accurate with the GGEM, IIRC) has an area of 20"+ over Winston-Salem and to the south.  GSO gets around 16".  The deformation band is absolutely ridiculous.  Even Raleigh gets a decent front-end thump before changing over to IP/ZR and probably RN at the end.

 

I wouldn't make much of it with this being 6-7 days out, but it's nice model porn! :)  It was a lot difference than the torching 00z GFS.

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The 00z is a historic crush job from roughly I-85 and on to the west.  There's some taint, but there's so much precipitation that it's an absolutely hammerage.

 

The clown map (which tends to be fairly accurate with the GGEM, IIRC) has an area of 20"+ over Winston-Salem and to the south.  GSO gets around 16".  The deformation band is absolutely ridiculous.  Even Raleigh gets a decent front-end thump before changing over to IP/ZR and probably RN at the end.

 

I wouldn't make much of it with this being 6-7 days out, but it's nice model porn! :)  It was a lot difference than the torching 00z GFS.

 

Which, or should I say witch, model, Hogwart?

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Which, or should I say witch, model, Hogwart?

 

Oops, that was the 00z Canadian.

 

edit...That deform band starts in Mid GA and works its way up to mid SC and upstate and into w and C NC.....Thats one helluva deform band.

 

Yeah, it's nuts.  Absolutely crazy.  It's probably way off the mark, but still.

 

Looks like CLT is right on the line, verbatim.  The western suburbs get crushed while the eastern suburbs get little.

 

We'll see what the Doctor has to say in a little bit.

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Oops, that was the 00z Canadian.

Yeah, it's nuts. Absolutely crazy. It's probably way off the mark, but still.

Looks like CLT is right on the line, verbatim. The western suburbs get crushed while the eastern suburbs get little.

We'll see what the Doctor has to say in a little bit.

Gastonia special, FTW
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The 00z Euro has a big 'ole fish storm in the Atlantic (it actually scrapes Cape Cod) as our storm is taking shape in the Gulf at hr 156.  This feature was displaced about 500+ miles SE and was much weaker at 12z.  Quite a change.

 

Looks like this run probably isn't going to cut it, but it's a step in the right direction.

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