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Mid to Long Range Discussion ~ 2022


buckeyefan1
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GEFS looks slightly improved from last night. EURO is out to lunch and still seems to be handling the energy out west poorly and the op remains at odds with the EPS. Need that western ridge a little further east. GEFS looks pretty dang good for snow chances. It’s really that western energy and making sure it rounds the ridge and doesn’t over amplify in the Mississippi valley that could be the wrench thrown in this. GFS is super suppressed but I’ll take that look all day at range. Hopefully by the weekend we have a good idea of how the western energy will evolve

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16 minutes ago, NorthHillsWx said:

GEFS looks slightly improved from last night. EURO is out to lunch and still seems to be handling the energy out west poorly and the op remains at odds with the EPS. Need that western ridge a little further east. GEFS looks pretty dang good for snow chances. It’s really that western energy and making sure it rounds the ridge and doesn’t over amplify in the Mississippi valley that could be the wrench thrown in this. GFS is super suppressed but I’ll take that look all day at range. Hopefully by the weekend we have a good idea of how the western energy will evolve

'EURO is out to lunch and still seems to be handling the energy out west poorly'

 

Why do we always say this when one model doesn't show what is 'wanted'.  Maybe the EURO is handling the energy correctly..

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28 minutes ago, BooneWX said:

This is not a bad look…. Sprawling high over the upper Midwest - which has produced the signature supply of cad many storms before. Clear storm signal to our south……this bears watching and it’s not in fantasy land. 

EC95EE27-FA1C-4D98-9B63-AB0E9E6FB0FA.jpeg

Yeah, unfortunately southern stream systems have been getting squashed. Not much from ensembles to suggest optimism for this system right now, but as you say, bears watching. It's right in that optimum window where if the plinko chip jumps to the left, we're in business.

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40 minutes ago, Snow dog said:

'EURO is out to lunch and still seems to be handling the energy out west poorly'

 

Why do we always say this when one model doesn't show what is 'wanted'.  Maybe the EURO is handling the energy correctly..

It’s a known model bias for the EURO to over amplify systems in the SW at range especially in Niña patterns. It is at odds with its ensembles which usually means you will see a lot of run to run variance and that will s what we’ve seen with the model. If the EPS pushes a western trough down into the 4 corners region the way the op does then I’ll be more concerned but it doesn’t and looks much more similar to the GEFS at range. Maybe the op caught onto something and the ensemble package moves towards the op but having the GEFS and EPS in relative alignment on the pattern evolution is usually a good sign if things to come on the ops as we get closer

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One of the things that has made winter weather look a lot less likely than it initially did is all the ensembles,and even the OP GFS and Canadian, were showing some overunning events coming out of the string of shortwaves running through the STJ next week. Now all the models largely agree on every one of them being weak, strung out, and suppressed. Unfortunately typical in a La Niña. Maybe one of those will trend back towards us in the short range but who knows. 

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19 minutes ago, olafminesaw said:

It's frustrating, because at the surface this looks like it's setting up for something really good. Then it gets suppressed to oblivion

gfs_mslp_pcpn_frzn_us_23.png

Would love to see the ensembles get on board here at 12z. It’s so so close… snow breaking out over Ark and Oklahoma is a huge weenie alert signal for at least the Carolinas. 
 

On the positive side - It feels like we should expect that any shots of winter weather at the front of this pattern change would likely come with little advance. At 7 days, I like this. The players are on the field.

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18 minutes ago, BooneWX said:

Would love to see the ensembles get on board here at 12z. It’s so so close… snow breaking out over Ark and Oklahoma is a huge weenie alert signal for at least the Carolinas. 
 

On the positive side - It feels like we should expect that any shots of winter weather at the front of this pattern change would likely come with little advance. At 7 days, I like this. The players are on the field.

It really wouldn't take big changes to get back in the game on that one for sure. 

This was the 0z Tuesday run for the same system.9E308BEA-1C68-4343-A45A-209B4CE7B1ED.thumb.png.011caef54f8f973e0ee312a676ccd764.png

The STJ shortwave is still relatively weak but the slightly higher heights off the Atlantic were enough to let it amplify a bit. If you look at H5  you can see the difference between then and now. The NS wave has sped up and is dropping down in front of our wave and crashing heights in front of it, essentially crushing it. 3466C84D-DD1A-43E3-9606-41E1904CA7CA.thumb.png.3b1ccb640c6ac4e9fa96925b30d3c178.png61ACB1E0-E965-4FFA-90D2-759B9D49D470.thumb.png.ee031ce4a6d7f8f7eeeb2109d74fce6e.png

 

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These differences are apparent when looking at the 700mbar winds as well, which is where you want to see some vertical motion and flow off the gulf if you want precip. The 0z Tuesday run shows just that with strong moisture transport off the gulf. E290CC99-04E5-41B8-AEB5-73ED89ECF5AC.thumb.png.cc470fa35f3288009e54d76639dfa10c.png43B9E1C0-8A4A-4F79-8764-26503A64469E.thumb.png.513bb682456c32de99bfebc7f6dc3175.png

So I'd say for starters, we'd either need the NS wave to speed up and clear out allowing heights to rise off the coast just before, or slow down like was shown on the 0z Tuesday run. Slower feels like our best bet given the blocking and confluence.

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It really wouldn't take big changes to get back in the game on that one for sure. 
This was the 0z Tuesday run for the same system.9E308BEA-1C68-4343-A45A-209B4CE7B1ED.thumb.png.011caef54f8f973e0ee312a676ccd764.png
The STJ shortwave is still relatively weak but the slightly higher heights off the Atlantic were enough to let it amplify a bit. If you look at H5  you can see the difference between then and now. The NS wave has sped up and is dropping down in front of our wave and crashing heights in front of it, essentially crushing it. 3466C84D-DD1A-43E3-9606-41E1904CA7CA.thumb.png.3b1ccb640c6ac4e9fa96925b30d3c178.png61ACB1E0-E965-4FFA-90D2-759B9D49D470.thumb.png.ee031ce4a6d7f8f7eeeb2109d74fce6e.png
 
When. The temp in freaking MIAMI is 36 you know that is some serious cold

Sent from my SM-S102DL using Tapatalk

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Man the Euro is bringing in the cold starting this weekend with another big dump Christmas weekend.  If we can get just a little bit of blocking over the next 2 weeks we could see a nice winter storm in SE.
Speaking of cold, does it ever feel any colder than when it is raining and 39 degrees like today?
32.1 and White Rain sounds worse

Sent from my SM-S102DL using Tapatalk


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