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March Med/Long Range Disco


WinterWxLuvr

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Enjoy my awesome paint skills...Try to illustrate my point better. The old EURO runs had this piece then lost it. GFS had it for 6/12z runs, GGEM had it today too.... It doesn't mean it still can't come north, but now it just relies on latitude and not phasing.

 

12z GFS from today:

post-8091-0-75172500-1362197476_thumb.gi

 

00z GFS:

post-8091-0-07898800-1362197494_thumb.gi

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This sure looks volatile. By about 90 hours there were big changes at 500. Gonna be wild riding this one. I'll never make it for the Euro.

One thing I know for certain about this year....these ns vorts have always ended up further north at game time.

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Enjoy my awesome paint skills...Try to illustrate my point better. The old EURO runs had this piece then lost it. It doesn't mean it still can't come north, but now it just relies on latitude and not phasing.

 

12z GFS from today:

attachicon.gifnorth piece.gif

 

00z GFS:

attachicon.gifnonorth.gif

 

Yeah, that pretty much describes it in a visual nutshell.  I believe the 06Z GFS also had the northern trough that showed signs of phasing, though it wasn't quite as good for us like 12Z was (obviously).  Now, that's just completely gone.  Or, rather, it looks shunted east rather than digging.

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2 options for a hit, the bowling ball comes in north, or a phase to pull it north.

 

 

18z toss it.

 

oh wait

 

gefs will fix this.

 

might want to start to root for the bowling ball north.. at least we know storms can trend north ... phasing is much tougher around here.

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"Always"...

 

Yep, now, this doesn't mean DC/Philly can't get a snowstorm out of this. I liked the 00z NAM @ 84 hours because the ULL had latitude. What the old runs of the GFS were doing was kicking the initial shortwave farther south, this didn't allow for as much WAA to occur before the phase. I'm interested in the GGEM to see what it shows. It has had the most northern latitude with this ULL for the longest amount of runs. 

 

What makes me absolutely sick to my stomach is we had some model runs show the potential this storm had with a phase...now that its slowly going off the table it makes me want to puke lol. Why do they tease us? 

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call me a weenie, but I'd still rather it not be a hit at this range and south is good for now

I don't know.  Maybe not a "hit" at this point, but I would have preferred to see the 00Z at least get back in the ballpark from what the 18Z run had, and show some semblance of the phase idea again rather than rolling a gutter ball off the SC coast.  It's disconcerting to see that scenario kind of disappear, though of course that could change again.

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"Always"...

 

Yep, now, this doesn't mean DC/Philly can't get a snowstorm out of this. I liked the 00z NAM @ 84 hours because the ULL had latitude. What the old runs of the GFS were doing was kicking the initial shortwave farther south, this didn't allow for as much WAA to occur before the phase. I'm interested in the GGEM to see what it shows. It has had the most northern latitude with this ULL for the longest amount of runs. 

 

What makes me absolutely sick to my stomach is we had some model runs show the potential this storm had with a phase...now that its slowly going off the table it makes me want to puke lol. Why do they tease us? 

I hear ya.  The agreement in the 12Z model cycle...essentially all major global models...was so encouraging.  Caused some excitement we haven't seen in these parts in some time.  And now it seems the GFS is trending back to what it had the other day.  I'm not sure if a bowling ball farther north is better or a nice phase is, or if either would result in about the same thing (considering temperature profiles, etc.).

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If the nrn stream s/w is truly gone all of a sudden, we probably want the NAM to be right in its placement.

 

Yep. I think another concern is that since there is no cold reinforcement from the northern branch it'll probably be a rain to snow type scenario where you need high VVs to get snow to stick. 

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