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Model discussion thread


ORH_wxman

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The spread for that thing is still massive...you can argue everything from out to sea to a raging Chicago blizzard...there is definitely northern energy which is always trouble and could cause it to phase too early.  The NavGEM is hinting at that at the end of its run, right now the Euro and GFS are definitely siding on the out to sea end of the idea.

Unfortunately as promising as all this data is starting to look we're still far away from potentially seeing the results, and that's a huge if. We'll have to deal with yet another coastal hugger, potentially a disintegrating clipper, and what happens after is very much up in the air but the threat of another cutter even at day 9-10 will still remain on the table. 

 

Maybe the fact that we've basically avoided a big thaw is a precursor to better things and that the snow isn't too far away. 

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Unfortunately as promising as all this data is starting to look we're still far away from potentially seeing the results, and that's a huge if. We'll have to deal with yet another coastal hugger, potentially a disintegrating clipper, and what happens after is very much up in the air but the threat of another cutter even at day 9-10 will still remain on the table. 

 

Maybe the fact that we've basically avoided a big thaw is a precursor to better things and that the snow isn't too far away. 

 

The cutter idea is probably less likely than out to sea...the fact the always cutter happy Euro at Day 8-10 is not on the cutter train right now for several runs is another argument against it...that ridge out west is pretty far east too

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Nova Scotia gets destroyed next weekend on the 00z gfs.

Little late for us, but man, big storm

It's still a couple inches in central/eastern areas, which considering how far OTS it is, speaks to how strong a storm it is and how large the precip shield could be. If it's in the right spot, could be one of those rare systems where everyone from SLK to ACK gets in on the good QPF. Obviously still way out in fantasy land, but you've got to admit it brings a grin to your face when you look at the runs and think of the possibilities...

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It's still a couple inches in central/eastern areas, which considering how far OTS it is, speaks to how strong a storm it is and how large the precip shield could be. If it's in the right spot, could be one of those rare systems where everyone from SLK to ACK gets in on the good QPF. Obviously still way out in fantasy land, but you've got to admit it brings a grin to your face when you look at the runs and think of the possibilities...

Yeah, verbatim still some snow. I was mainly referencing larger impacts.

That definitely has my interest for sure. That period has been signaled for a while now.

Tug something like that a couple hundred miles west and all of this winters turds so far would be forgiven lol

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The cutter idea is probably less likely than out to sea...the fact the always cutter happy Euro at Day 8-10 is not on the cutter train right now for several runs is another argument against it...that ridge out west is pretty far east too

0z it jumps on the cutter train Fugitive style

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Euro op is really amped. 980's over POU. Portions of northern PA, Central NY, and snow belts off Ontario do pretty well. Western New England upslope gets a bit of wrap- around but otherwise its a soaker. Ensemble mean is east but still tucked in pretty close to the coast. The following clipper gets shredded with the storm stalling just to the north. The 2nd bigger storm later in the run really phases early as well and ends up cutting but with a much better initial air mass everyone sees a period of overrunning snows before a changeover. The ensemble mean on the 2nd storm does not look as amped and keeps the lowest pressures tracking south of New England.

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Euro op is really amped. 980's over POU. Portions of northern PA, Central NY, and snow belts off Ontario do pretty well. Western New England upslope gets a bit of wrap- around but otherwise its a soaker. Ensemble mean is east but still tucked in pretty close to the coast. The 2nd storm later in the run really phases early as well and ends up cutting but with a much better initial air mass and a secondary development everyone sees a period of overrunning snows before a changeover. The ensemble mean on the 2nd storm does not look as amped and keeps the lowest pressures tracking south of New England.

 

 

All the GFS ensembles are fairly flat on the 2nd storm, not one shows a cutter like the Euro..again though, cannot rule it out this early.  I think the Euro is too amped for this weekend but it probably won't make a whole lot of difference to most people in the end.

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BOX and Sipprell really going Hammertime on em with the morning disco,

A CLASSIC NEGATIVELY-TILTING SETUP INFERRED FROM MODEL CONSENSUS IN

WHERE THE LOW UNDERGOES OCCLUSION AS IT STACKS AND THE CENTRAL LOW

PRESSURE AT THE SURFACE RETROGRADES W AS IT BOMBS TO AN ANOMALOUSLY

LOW VALUE. CONTINUED UNCERTAINTY AS TO THE EXACT TRACK AND TIMING

/AS THE LATEST GUIDANCE HAS SLOWED THE APPROACH OF THE SYSTEM WHILE

CONTINUING TO WOBBLE/. YET CONCERNING OUTCOMES...DEPENDENT ON THE

STRENGTH AND TRACK OF SURFACE LOW PRESSURE WHILE EVALUATING ANALOGS

FROM CIPS GUIDANCE THERE ARE SEVERAL THREATS THAT BEAR MONITORING:

1./ HEAVY RAIN ALONG WITH THE POTENTIAL FOR URBAN / SMALL-STREAM

FLOODING AS THE GROUND IS FAIRLY WELL FROZEN AND IMPERVIOUS

2./ STRONG-DAMAGING WINDS DURING BOTH APPROACH AND EXIT OF THE SYSTEM

3./ SIGNIFICANT SNOW ACCUMS ALONG WITH THE ANTICIPATION OF A WINTRY-

MIX ALONG THE TRANSITION ZONE COMPRISING OF SLEET / FREEZING RAIN

4./ THERE IS ALSO CONCERN AS TO COASTAL FLOODING IMPACTS AS TIDES

AROUND THE MONDAY MORNING TIME-FRAME WILL BE ASTRONOMICALLY HIGH AT

11.2 FEET.

WITH THIS FORECAST OF MODERATE CONFIDENCE...PREFERENCE GIVEN TOWARDS

A CONSENSUS OF 14.18Z GFS- AND EC-ENSEMBLES ALONG WITH 15.0Z GFS-

AND EC-DETERMINISITIC GUIDANCE...ALONG WITH WPC FORECAST THINKING.

THIS MAKES FOR A HUGE MESS WITHIN OUR FORECAST DATABASE WHICH DOES

NOT YET BEGIN TO HIGHLIGHT THE AFOREMENTIONED POTENTIAL THREATS

LIKELY DUE TO THE LIMITED AMOUNT OF GUIDANCE AND POOR RESOLUTION OF

SAID GUIDANCE...THAT IN ADDITION TO THE CONTINUED SPREAD AMONG THE

MODELS. AND SADLY NO ONE SOLUTION IS PREFERRED.

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All the GFS ensembles are fairly flat on the 2nd storm, not one shows a cutter like the Euro..again though, cannot rule it out this early.  I think the Euro is too amped for this weekend but it probably won't make a whole lot of difference to most people in the end.

You're wrong man. There are a few members that have the cutter idea.

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Something like the euro op showed is certainly possible for later next week with no blocking. I already said this.

 

 

Yep, the 1/24-25 system can easily be a warmer system with no blocking...but it at least have a cold antecedent armass. You'd obviously expect that system to be jumping around a lot of guidance...it coudl also just be a whiff, lol.

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You're wrong man. There are a few members that have the cutter idea.

Maybe two did. I agree that's not none, but the vast majority were not cutters.

The EPS were east of the OP but at 1009mb vs 978mb there is undoubtedly still large spread.

We aren't in details range yet anyway.

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Maybe two did. I agree that's not none, but the vast majority were not cutters.

The EPS were east of the OP but at 1009mb vs 978mb there is undoubtedly still large spread.

We aren't in details range yet anyway.

 

The op Euro appears to be the most amplified and western solution of any of the 51 EPS members. There is an unusual amount of spread in the Euro ensemble solutions for a D5 storm so there's definitely a lot of uncertainty. 

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The op Euro appears to be the most amplified and western solution of any of the 51 EPS members. There is an unusual amount of spread in the Euro ensemble solutions for a D5 storm so there's definitely a lot of uncertainty.

That's good to know, although I would still rather be west at this point. Could be running naked through snow drifts in W. Hartford while sulking in the bathroom with the faucet on to drown out the rain E of the river.

Dan was talking about second storm though, which is too far out still to be discussing details.

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So far that thread looks like a lot of wishcasting and weenie dreams. Back in realityville the models don't show much excitement but we'll see - lots of model spread. 

LOL, things looked promising yesterday on the modeling, today.........Na So Much lol.  This year seems like alot of Mirages.  I was worried when some were talking about the promised land arriving soon.  This year is VERY touch and go...NO slam dunks what so ever in this season...it's scarey.

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LOL, things looked promising yesterday on the modeling, today.........Na So Much lol. This year seems like alot of Mirages. I was worried when some were talking about the promised land arriving soon. This year is VERY touch and go...NO slam dunks what so ever in this season...it's scarey.

The MLK storm has never looked promising IMHO.

The rest of the pattern beyond that looks fine. Pretty much the same as yesterday.

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