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Friday, January 21st Storm Discussion


Baroclinic Zone

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Ahh :) You can't go wrong with Tapas.... I had it for the first time in Barcelona in '03 and then it started to get quite popular here....

Thanks Rick. I think I ate here a few years ago! This meeting is in St Pete so we're over on this side. Stuffed tonight with too much tapas if that's possible. Gotta sleep soon.....long dayy with little sleep last night. Truthfully I'm looking forward to my flight home Thurs night just ahead of the SECS.

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Well, if the model can't get those details down within 12-24 hours, it should be scrapped.

It isn't that difficult for the model to be able to see WAA in a swfe.

I see you mean but think about it...to peg correctly exactly when the brunt of it is going to work in and exactly when this WAA will be enough to changeover precip can be a difficult thing to foresee. There are just so many factors at play, how close the lows are tracking to you, the strength of the southerly winds aloft, the level of cold out ahead of the southerly flow and how deep it is...remember cold air is much more dense so it's not going to move out very easily, whether or not there is anything in place that will keep a more northerly flow locked in which would mean the cold air lasting longer...just the slightest change in any of the above mentioned can totally change the outcome.

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I see you mean but think about it...to peg correctly exactly when the brunt of it is going to work in and exactly when this WAA will be enough to changeover precip can be a difficult thing to foresee. There are just so many factors at play, how close the lows are tracking to you, the strength of the southerly winds aloft, the level of cold out ahead of the southerly flow and how deep it is...remember cold air is much more dense so it's not going to move out very easily, whether or not there is anything in place that will keep a more northerly flow locked in which would mean the cold air lasting longer...just the slightest change in any of the above mentioned can totally change the outcome.

I understand that, but the globals didn't flop as much.

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I understand that, but the globals didn't flop as much.

Ohhh...ok I'm with you now. Yeah the globals on this did not do as much flipping on the NAM on this one, totally agree. NAM flipped but in the end in did well...but then (and to your point) it only did b/c it was inside 12-24 hours :arrowhead:

Anyways I'm off to bed, will just check the euro in the AM...too buzzed to stay up longer and back is killing me. Much needed rest and prepare for some sort of action Friday.

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I remember that May of 2005 was nasty.... couldn't get Spring in here. One day I was here on the undeveloped property putting in fence posts in 45F wind swept rain in Mid May.... So lets hope the comparisons end around April 10th or so.....

Said it before and I'll say it again...this is 2004-05 shifted about 50-70 miles to the nw and colder.

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ALY already throwing out some prelim #'s for Thurs/FRI. The NW trend and stronger should, in the end, make this another decent snowfall for most in SNE.

WE WATCH WITH INTEREST A POTENT WAVE DIVING SOUTHEAST ACROSS THE

ROCKIES WITH POTENTIAL PHASING TO TAKE PLACE OVER THE EASTERN

CONUS THURSDAY NIGHT. OPERATIONAL MODEL CONSENSUS FAVORS PHASING

TO OCCUR BUT JUST TO OUR SOUTH AND EAST WHICH RESULTS IN THE

SURFACE LOW TRACK OFF THE DELMARVA COAST THURSDAY NIGHT AND

SOUTHEAST OF CAPE COD BY MIDDAY FRIDAY. THIS TRACK WOULD TAKE THE

HEAVIER AXIS OF SNOW AWAY FROM THE REGION. HOWEVER...A CLOSER LOOK

AT THE ENSEMBLES/PLUME DIAGRAMS OFFER A WIDE DEGREE OF SOLUTIONS.

FOR ALBANY...GEFS PLUMES SUGGEST AROUND 1/3 OF AN INCH OF QPF

WITH A FEW MEMBERS UP TO 1 INCH. THE SREFS ARE HIGHER WITH AN

AVERAGE NEAR 1/2 OF AN INCH OF QPF. PER COLLABORATION WITH

NEIGHBORING OFFICES AND HPC...SEEMS OUR SOUTHERN ZONES COULD BE

MORE IMPACTED THAN THOSE LOCATIONS FURTHER NORTH. WE WILL CONTINUE

TO HIGHLIGHT IN THE HWO THIS MORNING. SO WE WILL STAGGER THOSE POPS

WITH LOWER VALUES NORTH OF I90 TOWARD HIGH END LIKELY POPS FOR THE

CATSKILLS...MID HUDSON VALLEY AND NW CT. HIGHLY PRELIMINARY

ACCUMULATIONS POINTS TOWARD HIGH END ADVISORY LEVEL SNOW ALONG AND

SOUTH OF I90 IN NY...INCLUDING SOUTHERN VT AND THE BERKS WITH

VALUES OF 4-7 INCHES. FURTHER NORTH...2-5 INCHES WHICH WILL BE

BORDERLINE HEADLINES.

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