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November II Discussion


CapturedNature

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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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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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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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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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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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