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November II Discussion


CapturedNature

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  On 11/21/2014 at 5:02 PM, IsentropicLift said:

GEFS mean is well offshore

I'm guessing you didn't compare them to the earlier ensembles, because they are noticeably amplified and more consolidated. There are also a few members showing low pressures stronger and closer to the coast based on the spagh. plots. These are important things to look at instead of just the mean

 

post-6-0-91048000-1416589603_thumb.png

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  On 11/21/2014 at 5:06 PM, earthlight said:

I'm guessing you didn't compare them to the earlier ensembles, because they are noticeably amplified and more consolidated. There are also a few members showing low pressures stronger and closer to the coast based on the spagh. plots. These are important things to look at instead of just the mean

 

attachicon.gifspag.png

No, I didn't look at the indivduals yet. That's not a bad look at all.

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  On 11/21/2014 at 1:14 PM, CoastalWx said:

The MJO will slowly move through the IO and then Indonesia and WPAC over the next 2 weeks. You can see this through the 200mb wind anomalies and also via what they call velocity potential anomalies. That helps give rise to ridging in the Aleutians as well. That should slowly move east and help pump up heights in the EPAC towards mid December. At least in theory.

 

Yup full agreement with you Scott. Despite the op model chaos of late and the trends to more major cold in the 6-10 day (a period that was originally modeled much warmer once upon a time in the 11-15 day), this current 11-15 day/early Dec warm up has legs with the MJO/tropical forcing. We've discussed it in prior days and it actually appears to be making progress now on both ensembles lately (instead of staying in days 13-15 and/or trending colder as it pushes into 6-10 day)...If anything the colder risk for that first week of Dec is probably in the West versus what the ensembles have today, but I'm fairly confident we see the warmth for that period in the East hold through the weekend...Beyond that I'm fully on board for that NOT lasting and more cold right around the corner for us. 

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  On 11/21/2014 at 5:49 PM, SouthCoastMA said:

my god, let's leave the model analysis to the mets

?? its what we do and have done for the last 15 years around here, remember these boards are not strictly Met boards.Its also a good way to learn from your mistakes and gain knowledge that you interpreted something wrong. Suppression of expression is never the goal of a DISCUSSION board

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  On 11/21/2014 at 5:57 PM, Ginxy said:

?? its what we do and have done for the last 15 years around here, remember these boards are not strictly Met boards.Its also a good way to learn from your mistakes and gain knowledge that you interpreted something wrong. Suppression of expression is never the goal of a DISCUSSION board

Yes.

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  On 11/21/2014 at 6:30 PM, WinterWolf said:

Hold your horses Kev, modeling sure is going that way, but it's not completely there yet. And it could flip right back to nothing later today. Plenty of time to sound the alarm if this becomes more certain.

His horses don't hold back...full steam ahead around the track.

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  On 11/21/2014 at 6:30 PM, WinterWolf said:

Hold your horses Kev, modeling sure is going that way, but it's not completely there yet. And it could flip right back to nothing later today. Plenty of time to sound the alarm if this becomes more certain.

Just like 00z it's another 2-4 type snow for interior and rain to snow on coast
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  On 11/21/2014 at 5:43 PM, Damage In Tolland said:

Hopefully you guys along the coastal plain can get in on this one

 

I hope they can, too.  More importantly, I hope that GC can because that's where some of us live.  :) 

 

Right now, I'm reading it a whiff.

 

Nice day out there today.

 

27.2/13

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  On 11/21/2014 at 6:26 PM, Damage In Tolland said:

Start warning your friends and family now. We've got outselves a snowstorm to track for travel day

 

False ...

 

Folks, keeping it real:  no we don't.  We have a suspicious interval of time that could evolve into something more ... but for the time being, a whiff.  

 

I liked the amplitude increase in the 12z GFS, combined with its parallel run...  The differences are really the handling/timing of the southern S/W as it comes around the base of the trough.   The heights are uber compressed there -- but the S/W is potent, and may have enough to offset the anomalously fast flow, necessary to organize a baroclinic leaf and so forth.  It seems phasing would be less likely, however, given to the speed of the flow overall.  The N stream needs time to subsume the southern impulse, but if the S impulse is moving along at ludicrous speed it sort o whips out and takes the dynamics along with it... 

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