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December 19-20 Talking Points - Part 3


earthlight

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Honestly the models have been all over the place with this storm and you can't argue against this being a low confidence forecast. The difference between now and two days ago were that even though most of the models were showing OTS, it looked as if they were progressing towards a soultion which would make it more favorable for a major storm. It's all about the strength and timing of the S/W. If it comes in too weak and fast we get nothing, a tad stronger and really fast and you get the strung out mess which most of the models seem to be advertising now and if it comes in strong and more delayed you get much quicker ampification and one consolidated strong low pressure system. What's happening now on the NAM and GFS are that were getting good placing of the upper features but virtually nothing out of the S/W and now that its on land and the models are getting a good sampeling I would say this thing is over. If their was still a good storm out their that just looked to stay offshore I would be alot more optimistic because thats something that can be corrected with time but thats not the case here...and I dont see the models making a major shift in timing or strength this close in range but....stranger things have happened.

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the problem is the southern stream short wave is out running the energy digging from the northwest.. there is a healthy short wave coming through Florida. The best upper divergence is out in that area. That is why its trying to form low pressure there The shortwave up north, to this point is neutral with no divergence on the lee side of the trof

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Is that big storm coming ashore now in CA kicking our little vort out too quickly?

the problem is the southern stream short wave is out running the energy digging from the northwest.. there is a healthy short wave coming through Florida. The best upper divergence is out in that area. That is why its trying to form low pressure there The shortwave up north, to this point is neutral with no divergence on the lee side of the trof

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The models over the past few days which showed a decent hit had the slower timing as well as a decent S/W which allowed the trough to amplify further west. The key is, where does the low develop? I've noticed that the models which developed it in the western gulf had much more favorable solutions to the ones that go fot the FL panhandle. By that point, without a massive negative tilt and big time heights it has no choice but to go OTS.

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Just to clarify for all the weenies out there with hopes and dreams:12Z EC yesterday was pure garbage, had the southern shortwave way too strong.0Z EC is a reality check.Might there still be snow? Yes.Will there be a MECS for this region? No

LOL, you just had to buy that ticket. ;):lmao:

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I almost forgot about anything happening after this storm. I guess I got so caught up with it that I haven't been seeing what's happening in the extended. I'll have to check that out.

My fears for next week is that the costal that misses us is forcast to retrograde back towards boston, in return will prob squash anything coming at us from the plains...euro pretty much showed this last night

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Ok, I let a lot of stuff go for the last several hours because, let's be honest, the Euro was a kick in the junk. Let's get the quality of the posts back up, please. I'll be deleting posts that break the rules from here on.

ok. my bad.

so lets move on......regarding the mid week potential, can we really get accumulating snow from a backing low?

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I've been very optimistic this entire time but with the model trends beginning with the 18z yesterday the writing was on the wall. It's funny how some of the same people that wanted to discount the euros OTS solution three days ago in favor of the GFS are the same that wanted to discount the GFS in favor of the 12z euro. At some point, reality needs to step in....this thing is going to stay pretty much off shore, and not even a shadow in terms of strength as once modeled.

Now...if the GFS shows a slower timing of the S/W at 12z with enough energy at least we will have something to hang our hats on but as it stands now...this thing is over...I hope I'm wrong but I think chances right about now for the I-95 corridor to get a MECS are about equal to winning the lottery. :thumbsdown:

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