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The Post Christmas storm threat is still vey real


Damage In Tolland

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bombs very quicly with a good a good track but moving very fast which limits accumulations. 6-12" ORH to the Cape but maybe the 16" range if it slows a bit. Also, there's easily room for this to phase differently which would pull the track closer to coast. There seems to be an unnatural jog to the east from 72h to 78h at 500mb with the low closing off to the south of SNE.

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i guess I'm staying for the EURO

GFS has kind of stuck with this general idea of a low hitting us pretty hard. It's really just crept west/stronger if you look back at the last several runs. The EC has shifted pretty wildly during that same time frame in terms of the overall solution although it's probably settling now.

The GFS has done well enough, and the NAM has come along to the bomb idea far enough at this point that it's time to assume this is going to happen...even if the EC were to shift violently east.

NAM is getting closer each run but I said it over an hour ago, toss it. RGEM/GGEM, UKMET too, all were horrific at this range with the last ocean storm.

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What does the timing look like for the onset of precip into SNE?

Well, there's been a pretty consistent signala of some ocean effect snow kicking up midday in southeast mass area by middday. The synoptic snows probably arrive on the south coast around 5pm moving up to BOS by 8pm. That's at least what the GFS is now showing.

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GFS has kind of stuck with this general idea of a low hitting us pretty hard. It's really just crept west/stronger if you look back at the last several runs. The EC has shifted pretty wildly during that same time frame in terms of the overall solution although it's probably settling now.

The GFS has done well enough, and the NAM has come along to the bomb idea far enough at this point that it's time to assume this is going to happen...even if the EC were to shift violently east.

NAM is getting closer each run but I said it over an hour ago, toss it. RGEM/GGEM, UKMET too, all were horrific at this range with the last ocean storm.

I agree, will be nice to see the Euro have a run similar to last nights and we are in business...

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As longs as the 850 temps are cold enough we shouldn't mix right? Or do I have to look at the lower levels as well?

Too early to tell with this one but generally that statement is not correct.

It is highly dependent on the surface-925mb winds as well. If you get enough low level WAA off the ocean, mixing can be a problem.

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bombs very quicly with a good a good track but moving very fast which limits accumulations. 6-12" ORH to the Cape but maybe the 16" range if it slows a bit. Also, there's easily room for this to phase differently which would pull the track closer to coast. There seems to be an unnatural jog to the east from 72h to 78h at 500mb with the low closing off to the south of SNE.

is lengthening the duration of this storm significantly (not from OES) from a slower system off the table ?

would getting the big atlantic low to sit and spin longer help and if so is this feasible?

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Wow - 500h progression was nearly perfect - very similar to 18z but a good 50 or more miles west when the nearly perfect phase occurred. Good to have this type of model output as we're heading closer to the event, gotta keep our fingers crossed. Boston gets absolutely crushed on this run, gotta see how strong the winds are on the capse.

Weenie map!!!

gfs_p60_108l.gif

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bombs very quicly with a good a good track but moving very fast which limits accumulations. 6-12" ORH to the Cape but maybe the 16" range if it slows a bit. Also, there's easily room for this to phase differently which would pull the track closer to coast. There seems to be an unnatural jog to the east from 72h to 78h at 500mb with the low closing off to the south of SNE.

Yeah, I agree with you here, It should have more of a northerly component to it or a NNW movemnet with it bombing at this rate.......

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It's an issue with the 5H trof swinging down from Quebec that mucks it up and doesn't allow it to really wrap more N and W with the deformation. Of course we have 72 hours to change that configuration. :) Instead it gets booted.... But up to that point it certainly was quite a comeback for this thing.

Qpf wise you do well, .75" boston to 1.25" out towards you, Sharp cuttoff west and the ENE jog from the benchmark leaves me with .25" here

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:lol:

Wow...the most I ever did was something like 84 or something.

Sleep deprivation is actually more deadly than food deprivation ... just sayin, people can quickly become delusional and occasionally psychotic if they stay up 84 hours... the brain literally needs sleep to survive.

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