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January 2016 Pattern Disco


Damage In Tolland

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Yeah if we were looking at some type of stratospheric warming disrupting the PV this could be more permanent.

 

Seems like the PV disruption in the troposphere isn't from any stratospheric stuff. 

 

That said D10-D15 there is a split in the tropospheric PV while the polar vortex remains exceptionally strong in the stratosphere. 

Maybe it's working from the bottom layer the troposphere then the warmth works it's way up to the stratosphere the top layer. 

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I dont take any stock in what the week 4 thoughts are. I mean just look back a week to ten days in this forum, Kev must have posted 10 tweets calling for a continuous torch.

This-100%!!! Great post Steve. And I'm always of the adage to enjoy the here and now..and if it turns out to be as good as it could be, this could be fun as he**!!

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Maybe it's working from the bottom layer the troposphere then the warmth works it's way up to the stratosphere the top layer. 

 

That can happen - though in this case the stratospheric vortex is an absolute beast. No sign on models that the stratospheric PV is weakening. Leads credence to a more temporary -AO pattern.

 

Of course a SSW in February could mean a rocking end to winter. That would be nice. 

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That can happen - though in this case the stratospheric vortex is an absolute beast. No sign on models that the stratospheric PV is weakening. Leads credence to a more temporary -AO pattern.

Of course a SSW in February could mean a rocking end to winter. That would be nice.

this works

gefs_ao_18.png

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Still tons of spread next weekend on the GEFS/EPS. Options on the table range from rain storm on Friday night to blizzard on Sunday. It appears the Euro Ensemble means are hinting at 2 camps - the earlier camp which features cutter/E Coast cyclogenesis on Saturday and another camp that holds everything off until a strong coastal on Sunday. 

 

Doesn't really look like 2 events - just big timing differences. 

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Well then, we'll all just have to enjoy the two week cold spell, and hope to get a storm or two out of it. Yesterday, the ensembles couldn't have looked any Better. Today we're going back above normal by months end. As Ginxy said, it isn't going to be cold non stop, there will be ups and downs. And as long as December doesn't come walking through the the door for February, it should be fine.

 

Fortunately, much of the region can support snow in above normal temps.  Within reason of course.

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Still tons of spread next weekend on the GEFS/EPS. Options on the table range from rain storm on Friday night to blizzard on Sunday. It appears the Euro Ensemble means are hinting at 2 camps - the earlier camp which features cutter/E Coast cyclogenesis on Saturday and another camp that holds everything off until a strong coastal on Sunday. 

 

Doesn't really look like 2 events - just big timing differences. 

 

I personally enjoy the 18z GFS running our storm into IA.

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GFS Friday at 4pm has double barrel low in MO/KS with strong HP directly to the north keeping the system from running into Chicago. Storm may be slower this run?

It is slower.  Also, much better look on 00z vs 18z.  The high to the north is pushing down much more, while the storm in the midwest is slower and further east.  At hr 156 the 540 thickness line is 100-150 miles further south.

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