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wdrag
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the 20th is seriously legit. you have every single synoptic piece here:

  • decaying WB -NAO
  • Arctic antecedent airmass
  • huge 50/50 ULL
  • transient PNA spike from the diving GoAk LP
  • amplifying vort upstream

this period has been showing up on ensembles and now OP runs are beginning to sniff it out. large storms often follow decaying WB -NAOs, so this is definitely a period of high interest

ecmwf-deterministic-namer-z500_anom-5622400.thumb.png.f3bc99bf96c198cf1f22d52ce7776ac6.png

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1 minute ago, bluewave said:

I can’t remember the last time we saw the models correct SE day 8 to 6. It’s usually been the other way around. Must be the difficulty with the retrograding block. We have had some big model shifts even into the short term with past retrograding block. So I wouldn’t be surprised if we continue to see shifts one way or the other in future runs.

 

3D516383-ACCD-405D-9FAF-5CA30E14E424.thumb.png.f73978b3620ae5bac74747422177d17b.png
04DF92D8-5D09-4AC3-A7C3-6C60E397A17D.thumb.png.48594701534eb18884161d415ff69a65.png

43BD1059-E100-48C2-856D-8A872806ED25.thumb.png.9c941c6e65bf95750532aba4dc2cb0dc.png

Haven’t had a pattern like this in a very long time…

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1 minute ago, bluewave said:

I wouldn’t mind it if this first system sheared out and left more room for one of the waves behind it to swing for the fences with the developing -NAO +PNA.

Can’t say I disagree, just hopeful we get something. If nyc doesn’t get at least a inch next week from that type of look I will call this hobby quits 

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3.41" - Pump ran and did its job.  Did not lose power so generator did not kick in to save the day.  Pump does not run frequently here.  Except for Ida rains it rarely ran in the 5 years prior.  Lately has been running much more frequently.

Mine has run thricely in past six months, (twice in three weeks) after not running in over five years.


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30 minutes ago, Allsnow said:

Haven’t had a pattern like this in a very long time…

Probably haven’t seen a pattern like this since March, 2018. If we don’t get anything from 16/17 or 19/20 it would be shocking, assuming that depicted setup is correct. IMO we do need to get something by 1/21 though, because I do think the pattern gets hostile after that given the MJO wave progression 

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5 minutes ago, snowman19 said:

Probably haven’t seen a pattern like this since March, 2018. If we don’t get anything from 16/17 or 19/20 it would be shocking, assuming that depicted setup is correct. IMO we do need to get something by 1/21 though, because I do think the pattern gets hostile after that given the MJO wave progression 

I think next week makes or breaks this winter. If we get nothing, I think outside one event in February it’s probably not going to be a decent winter 

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i do want to stress that caution needs to be exercised, but it's worth noting that the advertised pattern evolution on the EPS is reminiscent of some of NYC's largest storms. this isn't to say that we're going to get one or anything like that... just trying to show the potential that these west-based blocking patterns do have when timed up with a PNA spike out west and established Arctic air

the similarities are uncanny

ezgif-7-97f852d30f.thumb.gif.0ac4d8da22171215dc10b93e7514e240.gif1475168863_NYC18preloading.gif.2889ab5c3c7b80754a2003260c0d55a0.gif

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3 minutes ago, Allsnow said:

@bluewave end of the eps definitely showing the warmth from p4 

The EPS and GEPS get very ugly after 1/21. I agree with you that something needs to happen by 1/20. If it doesn’t, to expect some miracle, storybook finish in February would be an extremely tall order. Again, assuming next week’s setup is correct, to get nothing out of that would be quite a shock but I guess stranger things have happened

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The EPS and GEPS get very ugly after 1/21. I agree with you that something needs to happen by 1/20. If it doesn’t, to expect some miracle, storybook finish in February would be an extremely tall order. Again, assuming next week’s setup is correct, to get nothing out of that would be quite a shock but I guess stranger things have happened

Let’s just get through the next ten days before you start getting excited for warmth again. (Not saying you’re wrong, just one thing at a time)


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