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March 12-15, 2023 | NE / Mid-Atlantic Winter Storm


Penn State

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Here we go again, same ole song and dance.  Let’s see how long this one holds up before it gets shattered and shunted ots. 
 

IMO, a lot of this depends on the pac ridge.   As you can see in the images I attached below there’s a wave crashing into the north pac northwest.  If we can get that to continue to slow and remain offshore that will help keep the pac ridge in an ideal location for us east coast snow lovers.  The quicker and stronger that wave is will only aide in pushing that pac ridge further east, therefore resulting in an east coast storm further east and less impactful.   The 12z eps definitely trended in the right direction compared to the 00z runs, so let’s see how this goes.  

2F69974B-F3E9-419C-90EE-CD55A2377F29.png

2A6D040C-AD41-477C-862D-D4164DFFF8CC.png

Edited by PA road DAWG
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1 hour ago, TLChip said:

I do too but after talking about snow shots for 3 months and coming out with 2”… you get the idea. At least everyone’s snow pictures are nice ☃️.  Jealously and envy that’s all. 

My uneducated thought, pattern continues. Disorganized cutter late coastal.  Between PA/NY border is where it’s cold enough to snow, south of that it will snow/mix to rain. I’ll put $10 to that a week out. 

While I hear you TL....I'm gonna be the guy that says that you can be a little more hopeful on this one. We've been stuck in a pattern with western troughing all winter. Coming up we've got both a nice looking ridge across the Rockies and downstream support (we've finally had downstream support for a little while but still western troughing). This is NOT what this winter pattern has looked like at all....emphasis on the fact that it finally looks decent (of course just as its ending).

Screen Shot 2023-03-07 at 3.53.10 PM.png

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13 minutes ago, telejunkie said:

While I hear you TL....I'm gonna be the guy that says that you can be a little more hopeful on this one. We've been stuck in a pattern with western troughing all winter. Coming up we've got both a nice looking ridge across the Rockies and downstream support (we've finally had downstream support for a little while but still western troughing). This is NOT what this winter pattern has looked like at all....emphasis on the fact that it finally looks decent (of course just as its ending).

Screen Shot 2023-03-07 at 3.53.10 PM.png

Let's take these players now instead of May. This is certainly a different look. Even looks to hold SE ridgeoff enough. 

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1 hour ago, telejunkie said:

960s just outside the 70/40 benchmark....would make several members happy. A round of Titos may be in order....

Such a tease - my bet is that Maine gets snow.

ukie12z3-7.gif.43226539e22b362ca887a5d59e8adfa5.gif

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Ukie is flattest, kinda to be expected these days 

175.track.current.thumb.png.cc6c9220455379914a9a346758e63b2a.png

ECMWF looks like it wants to do s little loop as the storm occludes and fills in (weakens)

145.track.thumb.png.d92703f25d1bb8fda844d412c233f345.png

JMA crawls up the new England coast, and spins itself out over Maine, similar to the ECMWF

110.track(1).thumb.png.ed562eaaeaf8a276ca52bcd9797687de.png

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So much has to do with how energy rotating INVOF Hudson Bay behaves.

The GFS swings a lobe down into James Bay, this is why it's been kicking the storm more easterly.

gfs_z500_vort_namer_fh66-162.thumb.gif.2d4508d56111360e85d9bb3a685cd89b.gif

Whereas the ECMWF pulls it poleward, and allows the main trof to close off, and slow it's roll.

ecmwf_z500_vort_namer_fh72-162.thumb.gif.5e5ce9d2bd19cfb195df29664686de6d.gif

The 4 operational models for static comparison

500hv.conus (4) (19).png

500hv.conus (4) (20).png

500hv.conus (4) (17).png

500hv.conus (4) (18).png

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Just to get an idea regarding snowfall outputs.. here's each model at hour 144 (24 hour snowfall / 10:1). It's not a blockbuster.. but at this moment in time, would be a nice little snowfall for many. 

models-2023030800-f144.sn10_024h-imp.us_ne.gif.c873eb25b4f31928b343b089b9c1db2d.gif

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20 minutes ago, PA road DAWG said:

Gfs and gefs not so impressed with this.  Curious to see if the euro holds or folds.  Gfs been winning these lately 

CMC bringing it back to the coast....

ScreenShot2023-03-08at12_02_17PM.thumb.png.7a9f65e25f2130f877285d9f7a21565c.png

CMC vs GFS much different by hr105. Looking at ensembles, CMC looks closer to the consensus...maybe there's a hint of wishcasting in there though...

Screen Shot 2023-03-08 at 12.06.50 PM.png

Screen Shot 2023-03-08 at 12.06.27 PM.png

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16 minutes ago, Wtkidz said:

Of course it will snow when I  am on vacation in Myrtle beach. Of course they are going to be 10-15  degrees less than normal on temps too. 

I'm heading to Charleston on Sunday, where temperatures next week are supposed to be BELOW average. Wouldn't surprise me to see a few flakes flying.

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6 minutes ago, StretchCT said:

floop-ukmet-2023030812.sfct-imp.us_ne.gif.caede359fcdfd5b23d5414f3f7a4e236.gif

Weird low going inland with the main low not far from where this mornings run was.

floop-ukmet-2023030812.sfcwind_mslp.us_ne.gif.81bea81897878d13e260fd600b07f95e.gif

 

I see the main low on the 500mb but nothing driving that inland one.

floop-ukmet-2023030812.500hv.conus.gif.39e933d20fb935ee614c80aae70713d0.gif

Edited by StretchCT
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