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December Pattern Disco- 2013


Damage In Tolland

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Pretty much lol. Put me in the camp of not liking the look, but I also understand why it could be colder as outlined ad nauseam. I also think it may be transient so I wouldn't punt by any means.

:lol: 

 

yeah i admit it does get old. but if it looked fantastic, i would post the same amount about it...though i'd be happier about it. 

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Tidbit from the other day from Bluehill Highest November Sea Level Pressure on Record

1. 30.86 in 1887

2. 30.82 in 1891

3. 30.80 in 1996

30.80 in 2013 (pending review)

 

Yeah, I was talking about this in the banter thread this weekend.  BDL also reached 30.80 (1043 MB) which is about as high as I've ever seen the pressure get here.  Just off the charts...

 

sfc_con_pres-6_zpsb2d84328.gif

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The theme just has been ridging, trough, then back to ridging, trough etc...rinse and repeat.  

 

Regardless though, the trough entering the country later this week will supply a great deal of cold air into Canada and the northern tier of the country.  Plus, the beginning of next week looks pretty decent at some sort of storm (forget the details/specifics right now) which could hold potential.  

What happens after that though...the signals are incredibly mixed right now.  It does appear that the PNA may tank pretty solidly but forecasts for the NAO are really all over the place and now that we are moving into December, and by next week it will be the 2nd week of the month, the role the NAO plays will be a tad stronger than now.  

 

As long though as SE ridge though which will be trying to poke it's head with the -PNA stays muted and not overwhelming, this month still certainly holds a great deal of potential and given how the northern stream looks to remain quite active, I'll take my chances with a temperature gradient pattern.  The outcomes may not always be pretty, especially if we're on the wrong side but we would be in the game at least.  

 

So this doesn't create another debate, when I hear "gradient pattern" I usually think of having a really tight temperature gradient within a small area

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Pretty much lol. Put me in the camp of not liking the look, but I also understand why it could be colder as outlined ad nauseam. I also think it may be transient so I wouldn't punt by any means.

 

I don't know, it's kind of unfolding like Cohen said it might by the apparent look of the long range.

 

May just mean after next week some of us coastal dwellers may be on the outside looking in as the hill people enjoy the snow.

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I don't know, it's kind of unfolding like Cohen said it might by the apparent look of the long range.

 

May just mean after next week some of us coastal dwellers may be on the outside looking in as the hill people enjoy the snow.

 Well it's December right? :lol:  

 

This isn't like an El Nino pattern with tepid temps killing the coast. Canada is cold unlike in an El Nino, so I feel good about the supply being there. I still think this ends up being a decent December for SNE even if we see a relaxation mid month. I have a feeling that might not last more than a week if it happens.

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help us obi wan...you're our only hope.

 

LOL, did you see them? We literally ride the line. It's probably 150 miles from drippage or dendrites. Good luck predicting that this far out. :lol:   I do think it's a high stakes pattern and one that seems feasible for us...but what do we know 3 weeks out.

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LOL, did you see them? We literally ride the line. It's probably 150 miles from drippage or dendrites. Good luck predicting that this far out. :lol:   I do think it's a high stakes pattern and one that seems feasible for us...but what do we know 3 weeks out.

 

 

I would hedge slightly colder until we actually see cross polar flow cut off. The ridge retrogrades but not far enough to shut off the cross polar flow. So that means our cold intrusions will be potent and likely outweigh the milder periods. Basically the opposite of what happens when we have a general vortex stuck there when the cold shots are wimpy compared to the torch periods.

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I would hedge slightly colder until we actually see cross polar flow cut off. The ridge retrogrades but not far enough to shut off the cross polar flow. So that means our cold intrusions will be potent and likely outweigh the milder periods. Basically the opposite of what happens when we have a general vortex stuck there when the cold shots are wimpy compared to the torch periods.

Hopefully storm tracks not too far west. With the PV moving west towards the prairies..that's when I'd like to see the Atlantic cooperate more. Looks like it would be an active pattern, so no shortage of QPF which by default would lead to more snow chances obviously

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Hopefully storm tracks not too far west. With the PV moving west towards the prairies..that's when I'd like to see the Atlantic cooperate more. Looks like it would be an active pattern, so no shortage of QPF which by default would lead to more snow chances obviously

 

 

We'll definitely have to get lucky to keep everything underneath us. Very few SWFE/gradient patterns are able to achieve that. 2007 and 2008 failed to do so despite all the snow we had those Decembers.

 

Dec 1970 was one of the few that was able to once the pattern kicked in, but we had some help later in the month from a -NAO. Perhaps if the weeklies are correct, we can get the same assistance when we need it most.

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We'll definitely have to get lucky to keep everything underneath us. Very few SWFE/gradient patterns are able to achieve that. 2007 and 2008 failed to do so despite all the snow we had those Decembers.

 

Dec 1970 was one of the few that was able to once the pattern kicked in, but we had some help later in the month from a -NAO. Perhaps if the weeklies are correct, we can get the same assistance when we need it most.

 

Yeah I don't expect everything to stay underneath us. Hopefully a nice pattern next week for at least some snow and then we'll just see what happens. I'm actually somewhat interested in this height field predicted on the weeklies because it could lead to some unprecedented cold in the Plains which will want to bleed southeast. 

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