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Model discussion thread


ORH_wxman

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The rainstorm on the Euro is not the same snowstorm that the GFS, PGFS and GGEM are showing. The follow-up storm is.

The Euro rainer misses south on the GFS.

The euro rainer is actually the overrunning snow on the GFS between 120-150 hours.

At any rate, most of this convoluted mess doesn't mean too much verbatim yet.

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But again the first system isn't rain

 

Ok. I wish I knew how you looked at weather models.  Its not 100% rain on the Euro but its certainly not all snow or wintery.  But useless to argue about this with you about a day 7 prog.

 

 

The euro rainer is actually the overrunning snow on the GFS between 120-150 hours.

At any rate, most of this convoluted mess doesn't mean too much verbatim yet.

 

Yeah its the same first wave in that messy parade of energy.  Good luck to the models sorting that one out.

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But again the first system isn't rain

On the euro it is verbatim after a bit of snow and ice. I just have my doubts that the typical interior locations would ever warm like the euro says when there's a nose of high pressure poking back into northern Maine and Quebec with a weakish low over the benchmark.

But the solutions verbatim are fairly meaningless right now.

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There is another decent signal for a storm in about two weeks that has been on the GFS and GEFS for a few runs now. It has mostly showed up as a cutter but has trended a bit colder. Mostly just means there may be something else to watch after next week as well.

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The first wave actually looked to help the second wave stay snow for SNE... the first storm that brings some rain to the area and snow to the deep interior, actually forces the second storm SE of New England.

 

Last night's 00z run cut the storm from ALB to BML because it was just one big consolidated system without the leading energy.  This new run has it more disjointed but it actually allows the follow up energy to be pushed SE along the front.

 

So everyone lamenting the rain from the first system, has that to thank for the second storms track.  Without that, I bet that thing would've ripped inland again like 00z.  I really like on Weatherbell now you can easily toggle between the last couple runs...makes it very easy to spot the differences.

 

Well to be honest, It was more of a snow/ice deal up here with that 1st wave, I don't know why some are insisting it was all rain everywhere, But really is a moot point and like i said not worth getting worked up about

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Well to be honest, It was more of a snow/ice deal up here with that 1st wave, I don't know why some are insisting it was all rain everywhere, But really is a moot point and like i said not worth getting worked up about

 

Yeah it was all snow here, but the discussion seemed to be centered on SNE, especially Pike south.

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Discussed this with Phil the other day, appears the Euro is showing what a common evolution looks like as the PV pulls north. we get this overrunning WAA snow/ice/rain depending on your locale with an initial "storm", as that departs, a more potent vort max drops into the trough creating a more potent shortwave which can deepen rapidly or sometimes become cutoff. Many signals on all models for a potent system in that time frame, also many signs for an explosive Miller B. All is extremely difficult for modeling to exact track or key on but suffice to say that is a legit shot at a good snowstorm. 

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Discussed this with Phil the other day, appears the Euro is showing what a common evolution looks like as the PV pulls north. we get this overrunning WAA snow/ice/rain depending on your locale with an initial "storm", as that departs, a more potent vort max drops into the trough creating a more potent shortwave which can deepen rapidly or sometimes become cutoff. Many signals on all models for a potent system in that time frame, also many signs for an explosive Miller B. All is extremely difficult for modeling to exact track or key on but suffice to say that is a legit shot at a good snowstorm. 

this, A couple runs had cut off that 2nd vortmax over the DC area a couple days back, Fair to say we have something to track at the very least

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Discussed this with Phil the other day, appears the Euro is showing what a common evolution looks like as the PV pulls north. we get this overrunning WAA snow/ice/rain depending on your locale with an initial "storm", as that departs, a more potent vort max drops into the trough creating a more potent shortwave which can deepen rapidly or sometimes become cutoff. Many signals on all models for a potent system in that time frame, also many signs for an explosive Miller B. All is extremely difficult for modeling to exact track or key on but suffice to say that is a legit shot at a good snowstorm. 

 

Yeah there's going to be a storm...going to be an interesting week.  No blocking so anything is possible as Coastal said earlier.  I'm leaning towards if there are "two systems" the second one will be far enough SE that you guys don't have to worry about p-type.

 

If it comes out of the south as one consolidated system though, then it just plays the Miller A firehose could spray anywhere from BUF to the Benchmark, lol.

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The meh's you mention are snow

 

Nothing noteworthy. A number have a rainy appeal or very minor amounts of snow... like an inch or something.

 

It's the model discussion thread - I'm telling you what the model shows. If you want to make up an interpretation to match your "snowgenda" feel free to do so in the banter thread or on your Twitter or Facebook page. 

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Come on man. It's posts like this that just totally derail these threads. Will have you verbatim what it shows

Perhaps I was a little quick to make that statement...apologies.  However, after reading Ryan's post about it being a nice big rainstorm, I just lost a lil composure.  Again, I apologize for the Negative post(s).  And yes, all we can do is be patient.

 

And I do believe what Ryan saw was accurate and legit, but I didn't look at the end of the run, and see the 2nd storm...my fault. It's just that like a few have said, we are snakebitten this year in SNE so far.  And it's almost hard to imagine anything now more than an inch or two happening....something always(as of late) gets in the way to muck it up it seems.     

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Euro ensembles show both the overrunning potential d6ish and also the d8 coastal. Both look nice on the ensemble mean for SNE. Still a long was to go of course.

 

That overrunning event if it happened as shown would be mostly snow probably ending as some PL or FZRA, the models just stink with split flow overrunning systems coming up from the SW beyond 72 hours, they almost always tend to be too warm with them.  Even PDII was shown on some models as rain a few days before.

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I would be more worried the Day 8 event is OTS vs cutting.

Depends on how it comes out of the SW. If it's one consolidated storm, it could be west. If it comes out in bits and pieces then yeah further SE.

However I think that same statement was made last storm about it not cutting and it found a way to do so. Without blocking it's always a possibility.

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