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Is we back? February discussion thread


mahk_webstah
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56 minutes ago, Boston Bulldog said:

Seen lots of “tenor” talk this year being used to project colder outcomes. Yes I think there is some credence to this year having a distinct trend of modeled ridging regimes getting muted, we’ve seen some gnarly looking torches (early January for example) get cut down into brief thaws and or mixed events. However, there is an additional “tenor” to this season that will likely lead to some SNE disappointment mid-to-late next week: overmodeled blocking and confluence in the medium range.

We saw this on the 12/26-27 event, in which confluence remained strong but trended rapidly away from complete suppression in the final 36 hours until flakes started. We also saw blocking relax substantially from medium range projections for the mega-SWFE in January. In both of these cases, the majority of this forum’s SNE contingent benefitted.

Even the colder storm during the muted warmup on 1/10-1/11 saw a bit of southerly pushing against confluence. The double barreled low pressure, which was destined to cut without high latitude help, pushed farther north in short range modeling. Despite salvaging the potential cutter 4-5 days out from verification, there was a slight boomeranging that occurred in the final 24-36 hours where confluence relaxed a bit.  Thus substantial mixing was introduced into CNE and NNE regions that were previously supposed to remain frozen.

It’s possible the midrange blocking relaxing slightly into the short range occurs again, the “tenor” of high amplitude blocks seem to be overmodeled this year. Of course, the implications are that warmth lifts farther north. NNE and CNE seem like a much better spot to be in right now for next week, despite some operational models (GFS) keeping them dry on the initial wave.

Trends from that mid January PT regime are probably most pertinent here.

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I've noticed that since these late Feb aspects have begun to emerge ... the GFS heredity of products overall are less shy about committing to spring.  

The Euro is trying to sell eternal storm and cold.   

The index/numerics of either ensemble means don't statistically support what the operational Euros have been trying to sell.  Just cautioning folks... prepare to be disappointed.  The upshot?  if you are not, then there was no risk.   

it's possible the GFS is too warm, but... it has March and improving sun and CC and what have you backing the indexes, all of which suggesting otherwise. 

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1 minute ago, Typhoon Tip said:

i've noticed that since these late Feb aspects have begun to emerge ... the GFS heredity of products overall are less shy about committing to spring.  

The Euro is trying to sell eternal storm and cold.   It's own ensembles don't statistically support what the operational run's have been trying to do.  Just caution folks... prepare to be disappointed.  The upshot?  if you are not, then there was no risk.   

Guess you have not seen the EPS.

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8 minutes ago, Sey-Mour Snow said:

About a third give you 17”+ not too shabby .. I hope we either go spring or just go all on snow onslaught 

Even almost a quarter give ORH 20”+. Definitely the most aggressive in a while. 
 

Lot of ways for it to screw up but the benefit of having like 3-4 different waves is you also have a decent chance of one or two of them working out. 

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The system that improved the most today on both EPS and Euro Skynet was Friday night/early Saturday. Doesn’t get shredded as much but also pretty cold too. 
 

Monday still has the most upside imho, but Friday night could end up pretty good too if we trend it like today. Monday definitely got some more support too today. But being 8 days out makes it less meaningful when you see a model shift. 

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