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2/19 East Coast Winter Storm Threat


OKpowdah

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It's tough to see on the PSU maps what the EURO is doing but it looks about 24 hours slower than the GFS with a spoke of energy diving down. I have a really hard time believing the EURO is wrong substantially at 24 hours.

As a result there's nothing to really pull it all together, and that super duper GFS solution ain't going to happen I don't think on the Euro.

24 hours? Yeah, I'm gonna guess you're reading it wrong

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Well 0z will be telling. If the GFS stays with this amped idea, I will get more invested. The Euro has been steady with keeping this thing well south of the region.

I'm torn. I want SNE buried at least once this season, but this storm conveniently begins right when I am supposed to take off for Ft. Myers. My flight is at 1120z 19 Feb, so unless this begins later, I cannot root for it, which sucks because I love tracking these things. Just my luck.

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were going to have to see what the gfs does tonight to know if it is ots or not because if it is euro will have the right idea if not then i would expect the euro to move closer to the gfs just more waiting i guess

Something is really f'd up at init. Either NCEP's Pac data didn't get into the Euro, or it seriously contaminated the GFS/UK

Same features across the north, just off 24 hours.

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Something is really f'd up at init. Either NCEP's Pac data didn't get into the Euro, or it seriously contaminated the GFS/UK

Same features across the north, just off 24 hours.

Dude, you are making this out to be waaay bigger than it is. There's no conspiracy.

There are about 47 billion s/w's interacting with each other so subtle shifts in the treatment of any one will have larger ramifications down the road. The differences between the Euro and the GFS are clear. So now we just need to determine which one is correct.

The GFS currently lacks support. That's the primary determining factor at this time IMO.

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NCEP discounted the UK and GFS prior to the 12z EURO....

PREFERENCE: ECMWF

THE GFS APPEARS TO HAVE WORSE INITIALIZATION OF THE TROUGH'S

PLACEMENT OVER BRITISH COLUMBIA AND NUNAVUT THIS MORNING COMPARED

TO THE NAM/ECMWF. MEANWHILE...THE GFS IS MOST AGGRESSIVE IN

ALLOWING AN UPSTREAM PERTURBATION CURRENTLY OVER THE PACIFIC TO

CUT THROUGH THE SHORTWAVE RIDGE OVER THE CANADIAN ROCKIES ON

THURSDAY...WHICH THEN PHASES WITH THE NORTHERN STREAM AND SLOWS

THE ENTIRE GFS SOLUTION. THE COMBINATION OF WORSE INITIALIZATION

AND QUESTIONABLE AND EVEN SUSPICIOUS PHASING OF THE SEPARATE

STREAMS IS SUFFICIENT TO DISCARD THE GFS PARTICULARLY LATE IN THE

PERIOD. AMONG THE REMAINING SOLUTIONS...THE NAM BECOMES SLIGHTLY

FASTER THAN THE CANADIAN/00Z ECMWF...WHILE THE UKMET IS SLOW AND

AMPLIFIED...WITH ITS GREATER AMPLIFICATION POSSIBLY AN INDICATION

OF ITS STRONG BIAS AT LATER TIME FRAMES. THUS...THE UKMET IS

DISCOUNTED. MEANWHILE...THE NAM...WHILE PLAUSIBLE...IS CONSIDERED

LESS LIKELY THAN THE ECMWF DUE TO ITS NARROWER DATA ASSIMILATION

WINDOW AND ULTIMATELY

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It's more amped up with the srn energy, so it does creep north at hr 108, but whiff for even you.

Absolutely fine with it.. GFS north and on crack.. its mean is between GFS and EURO.. a blend of the models is possibly an MECS here.. riding that. If I was NWS I'd raise pops advertise rain/snow mix and low confidence of precip type DCA/BWI
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Euro thru 108 is a complete whifferino for NE.

Keeps decent QPF out of the Mid Atlantic, too.

Northern stream wave is almost non-existent and steering flow aloft too zonal for this baby to turn the corner. Also, as mentioned by others, LP out west is also not helping matters.

Let me correct that... Euro is actually a decent storm for DTland...

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Dude, you are making this out to be waaay bigger than it is. There's no conspiracy.

There are about 47 billion s/w's interacting with each other so subtle shifts in the treatment of any one will have larger ramifications down the road. The differences between the Euro and the GFS are clear. So now we just need to determine which one is correct.

The GFS currently lacks support. That's the primary determining factor at this time IMO.

I think by 12z tomorrow the models will have a better handle on this. Until then, the spread will be phenomenal. Too many s/w running around.

But, with that said, it's clear that the Euro is favored right now by NCEP, and it makes sense. The Euro has been fairly consistent run to run compared to the GFS. Still a long ways to go here.

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