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NYC/PHL 12/21-12/27 Forecast Threats


am19psu

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I think it's clear now that the bowling ball solution with the possibility of a phase should be the solution everybody wants, rather than the trough digging to the Gulf Coast. The latter option may be better if all goes well (0z Euro last night), but the bowling ball is much less risky and it guarantees a white Christmas for everybody. Look at the 18z GFS QPF map. Areas that don't get hit by the CCB still get a very solid .25-.5" QPF, ratios help, and most importantly, it's on Christmas. While we would all want something like the 0z Euro shows, the 18z GFS is much less risky and it doesn't rely on timing to give a good snowfall and a white Christmas to everybody.

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I think it's clear now that the bowling ball solution with the possibility of a phase should be the solution everybody wants, rather than the trough digging to the Gulf Coast. The latter option may be better if all goes well (0z Euro last night), but the bowling ball is much less risky and it guarantees a white Christmas for everybody. Look at the 18z GFS QPF map. Areas that don't get hit by the CCB still get a very solid .25-.5" QPF, ratios help, and most importantly, it's on Christmas. While we would all want something like the 0z Euro shows, the 18z GFS is much less risky and it doesn't rely on timing to give a good snowfall and a white Christmas to everybody.

+1,000,000...im not for the coastal being dpecited on the euro. To many things can go wrong. Give me the bowling ball and drop 2-4 3-6 on everyone that would be the best christmas present santa could bring me, besides hott mrs claus

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i'd be more optimistic if the 500 mb map looked like this

Yeah, that doesn't make any sense. If the synoptic pattern looked like that we would have to be torching either before or after the storm since 576 heights are into British Columbia. The pattern was completely different and that needs to be recognized.

This ridge axis as advertised on the 18z GFS is fine and does it's job.

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+1,000,000...im not for the coastal being dpecited on the euro. To many things can go wrong. Give me the bowling ball and drop 2-4 3-6 on everyone that would be the best christmas present santa could bring me, besides hott mrs claus

hmmm...or you dont want the coastal because you arent on the coast? Up in NYC/LI, bring on the coastal! :thumbsup:

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I think it's clear now that the bowling ball solution with the possibility of a phase should be the solution everybody wants, rather than the trough digging to the Gulf Coast. The latter option may be better if all goes well (0z Euro last night), but the bowling ball is much less risky and it guarantees a white Christmas for everybody. Look at the 18z GFS QPF map. Areas that don't get hit by the CCB still get a very solid .25-.5" QPF, ratios help, and most importantly, it's on Christmas. While we would all want something like the 0z Euro shows, the 18z GFS is much less risky and it doesn't rely on timing to give a good snowfall and a white Christmas to everybody.

Right on!!! :thumbsup:

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hmmm...or you dont want the coastal because you arent on the coast? Up in NYC/LI, bring on the coastal! :thumbsup:

Wrong. The system depicted on the Euro has a different evolution than that shown on the GFS. We are not arguing for or against a coastal, but the Euro takes the shortwave/system farther south and slower,making it harder for the trough to go negative and turn up the coast.

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no im on the coast, im right by phl, which i consider the coast still....the coastal just has so many things that can go wrong... i guess its high risk but nice reward....ill play it safe and take 2-4

coastal are so much better...the wind and snow is a must...when those get crankin its surreal

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I would also prefer a more bowling ball scenario where most of us get a few inches of snow rather than take a chance on a coastal where many things can go wrong (rain/snow issues, LP location, inland vs offshore issues). The models are still shifting around way too much and a 1-2 day break from the models is probably a good idea for many, myself included.

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hmmm...or you dont want the coastal because you arent on the coast? Up in NYC/LI, bring on the coastal! :thumbsup:

With a coastal there's a better chance of something going wrong, and it could miss us even near NYC. Hard getting a nice coastal storm for this area in a La Nina pattern. I'd rather have a more west to east storm that gives us a much better chance of having a white Christmas. Not as much potential for something truly big, but a better chance of at least getting some snow. Just give me a white Christmas! I don't want to risk getting nothing from a storm that digs too far south in an unfavorable La Nina pattern.

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Wrong. The system depicted on the Euro has a different evolution than that shown on the GFS. We are not arguing for or against a coastal, but the Euro takes the shortwave/system farther south and slower,making it harder for the trough to go negative and turn up the coast.

yea i know i get that...its high risk, high reward...

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I think it's clear now that the bowling ball solution with the possibility of a phase should be the solution everybody wants, rather than the trough digging to the Gulf Coast. The latter option may be better if all goes well (0z Euro last night), but the bowling ball is much less risky and it guarantees a white Christmas for everybody. Look at the 18z GFS QPF map. Areas that don't get hit by the CCB still get a very solid .25-.5" QPF, ratios help, and most importantly, it's on Christmas. While we would all want something like the 0z Euro shows, the 18z GFS is much less risky and it doesn't rely on timing to give a good snowfall and a white Christmas to everybody.

the greater the risk the greater the reward....ill take the 0Z EC solution from last night...when was the last time a bowling bowl solution produced anything around here?

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This one will be painful if it fails given how consistent overall the GFS/Euro have been....the Mt. Holly discussion sort of seems to pump up the GEM, maybe my memory is bad but I swear that thing waffles more than any model I've ever seen from run to run yet they mention its consistent, the only storm I can clearly recall the GEM nailing big time was the 2/25 event this past winter.

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