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December 27/28 Storm Threat


Baroclinic Zone

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  On 12/23/2012 at 1:22 PM, Bostonseminole said:

man that is an ugly set of GFS runs.. any meteorological reason it never transfers the energy?

I think it has to more with the position of the block up in canada and the shift in the vortex lobe from over ontario, to further west. That allows the GFS to cut the storm up the apps, where previously the confluence from the vort lobe kept things more suppressed and to the east

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  On 12/23/2012 at 2:14 PM, Alpha5 said:

I think it has to more with the position of the block up in canada and the shift in the vortex lobe from over ontario, to further west. That allows the GFS to cut the storm up the apps, where previously the confluence from the vort lobe kept things more suppressed and to the east

oh OK, will watch for that in next set of runs. Thanks!
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  On 12/23/2012 at 1:24 PM, klw said:

Is the storm just moving in in NNE at that point? Not much for NE VT through Maine on that.

The low @ hr108 was still south of LI , If you saw hr 132 the low is over Southern Novie it would be over 12" up here, It drops close to 1.50" qpf here and 1.25" over in VT

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  On 12/23/2012 at 2:51 PM, NorEastermass128 said:

Amazing how the NAM drives a weakening (1000mb) low right into a 1032HP to the north. I feel like it won't play out like that.

there's an avenue for that to happen since the trough north of minnesota opens up and partially merges with our storm. Surface highs do not dictate surface low tracks, by in large.

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  On 12/23/2012 at 2:57 PM, OSUmetstud said:

there's an avenue for that to happen since the trough north of minnesota opens up and partially merges with our storm. Surface highs do not dictate surface low tracks, by in large.

They don't dictate, but don't they influence? As long as that track makes sense meteorologically, okay it's possible.

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  On 12/23/2012 at 2:47 PM, Cold Front said:

The low @ hr108 was still south of LI , If you saw hr 132 the low is over Southern Novie it would be over 12" up here, It drops close to 1.50" qpf here and 1.25" over in VT

GYX has at least sleet in yours and mine zones. It was good to see the Euro improved, but damn....I hope we can at pull 6 inches from this.

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  On 12/23/2012 at 3:08 PM, mahk_webstah said:

GYX has at least sleet in yours and mine zones. It was good to see the Euro improved, but damn....I hope we can at pull 6 inches from this.

That's pretty much climo with a track close to the Euro ensembles. Taint for southern NH and just about up to the foothills in ME.

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  On 12/23/2012 at 3:29 PM, Cold Front said:

Would be a pretty good dump of snow on the front end i would think with that though

Well all signs also point to a good deal of QPF, and as usual mixed precip arriving late in the overall duration of the storm. I think we would thump pretty good in that verbatim.

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