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December 2022


dmillz25
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Please be careful posting these 10-1 snow graphics.  Sleet snd mixed precip is posted as all snow.  NOT good for the mind when it doesn't pan out. Also, I strongly urge consideration of GGEM as a reasonable middle of the road model. If the GGEM doesn't have snow cyclically in its model, then I don't think snowier solutions will verify.  

Have looked at next week... and suggest using EC-CMC solution.  My guess is the 00z/06z GFS from the 9th is far too cold. 

With that in mind: other than flurries/ice pellets possibilities in NYC through next Thursday (small chance of a 3 tenth inch minor accumulation in CP),  I am only posting in the nw-ne suburbs where greater impact is likely. Probably where there are few American Weather members but that's where the bigger wintry action should be. NWS ensemble probs this Friday morning Dec 9 support this as well through Day 7. 

 

 

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6 minutes ago, wdrag said:

Please be careful posting these 10-1 snow graphics.  Sleet snd mixed precip is posted as all snow.  NOT good for the mind when it doesn't pan out. Also, I strongly urge consideration of GGEM as a reasonable middle of the road model. If the GGEM doesn't have snow cyclically in its model, then I don't think snowier solutions will verify.  

Have looked at next week... and suggest using EC-CMC solution.  My guess is the 00z/06z GFS from the 9th is far too cold. 

With that in mind: other than flurries/ice pellets possibilities in NYC through next Thursday (small chance of a 3 tenth inch minor accumulation in CP),  I am only posting in the nw-ne suburbs where greater impact is likely. Probably where there are few American Weather members but that's where the bigger wintry action should be. NWS ensemble probs this Friday morning Dec 9 support this as well through Day 7. 

 

 

The interior always has a better chance but we have seen a clear improvement on the models overnight with a faster transfer to the coast thanks to the blocking.

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Great -EPO -AO pattern. But the -PNA pumps the SE ridge next week on the Euro and GEM allowing the storm to tuck in. So you can see the Euro and GEM keeping this an interior snow event for now.  Need the +PNA Rockies Ridge idea of the Euro control for snow at the coast and a 982mb BM track. 


F76F111F-E04E-4D2D-A13D-DA6871DEF308.thumb.png.293787891149147da091df9a2d225c30.png
 

Snowier Euro control

FFF3DC4B-0B12-4ED5-B44C-8669934F816F.thumb.png.624704df0be757978cf2f51b22c033bb.png
 

982 mb BM track


8FF96B8E-3AB3-4CBC-AA8C-574DE764B470.thumb.png.300d6659cfe3dba89aef617dc56ab270.png

 

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1 hour ago, bluewave said:

Great -EPO -AO pattern. But the -PNA pumps the SE ridge next week on the Euro and GEM allowing the storm to tuck in. So you can see the Euro and GEM keeping this an interior snow event for now.  Need the +PNA Rockies Ridge idea of the Euro control for snow at the coast and a 982mb BM track. 


F76F111F-E04E-4D2D-A13D-DA6871DEF308.thumb.png.293787891149147da091df9a2d225c30.png
 

Snowier Euro control

FFF3DC4B-0B12-4ED5-B44C-8669934F816F.thumb.png.624704df0be757978cf2f51b22c033bb.png
 

982 mb BM track


8FF96B8E-3AB3-4CBC-AA8C-574DE764B470.thumb.png.300d6659cfe3dba89aef617dc56ab270.png

 

We just can't shake that RNA.

I hope that we get a bout of +PNA while the blocking exists.

Of course we can get front end snows from SWFEs in an RNA pattern if the EPO rages negative.

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The next 8 days are averaging   37degs.(34/40) or Normal.

1670565600-uZvZvb7D1Fg.png

GFS with 13" on the 17th/18th.      Unfortunately the ENS. is just 50/50 on >1" all the way to Christmas.

Reached 55 yesterday(midnight)  52 daytime.

Today:    42-46, wind n., m. sunny, 32 tomorrow AM.

{44* at midnight} 37*(70%RH) here at 6am.      38* at 7am.      39* at 9am.       41* at Noon.       44* at 2pm.     Reached 46* at 4pm.       41* at 8pm

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1 hour ago, bluewave said:

Great -EPO -AO pattern. But the -PNA pumps the SE ridge next week on the Euro and GEM allowing the storm to tuck in. So you can see the Euro and GEM keeping this an interior snow event for now.  Need the +PNA Rockies Ridge idea of the Euro control for snow at the coast and a 982mb BM track. 


F76F111F-E04E-4D2D-A13D-DA6871DEF308.thumb.png.293787891149147da091df9a2d225c30.png
 

Snowier Euro control

FFF3DC4B-0B12-4ED5-B44C-8669934F816F.thumb.png.624704df0be757978cf2f51b22c033bb.png
 

982 mb BM track


8FF96B8E-3AB3-4CBC-AA8C-574DE764B470.thumb.png.300d6659cfe3dba89aef617dc56ab270.png

 

Plenty of time left for things to change but yes I agree. 

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8 minutes ago, Volcanic Winter said:

Being very tongue in cheek. It’s exciting but I can see why / how this is probably an unlikely solution at this point. 
 

At least it looks like a Miller B now? Crazy the evolution of this thing past two days. 

the rare Miller B! Im always more comfortable with an A…it’s what I know

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2 minutes ago, bluewave said:

The EPS mean has several members near the BM with a little Rockies Ridge + PNA spike.

 

437BDC93-3897-42A8-9014-BDCDDBFF989A.thumb.png.a4f0f720681e0aed87f04bedf740ccd6.png

 

 

I noted elsewhere, the higher heights during this time moving wward from NAO to S Central Canada is now connecting with the PNA on the op centered over Rockies. Looping the past 4 runs has been eye opening wrt this feature and is one of the keys in this working.

470766562_image000000(1).gif.c227005988aea522726d44425f86b3a0.gif

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4 minutes ago, Ralph Wiggum said:

I noted elsewhere, the higher heights during this time moving wward from NAO to S Central Canada is now connecting with the PNA on the op centered over Rockies. Looping the past 4 runs has been eye opening wrt this feature and is one of the keys in this working.

 

Yeah, the only reason the 6z GFS has a nice snowstorm is due to the skinny Rockies Ridge and +PNA spike closer to neutral. This scenario is showing up in the ensembles. So to me, all these OP runs beyond 120 are just ensemble members anyway. 

A9118A4F-7951-41CE-8F9F-E7A229F828CC.thumb.png.1ca155821a03630b2082299473666996.png

 

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