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Feb 8-9th Blizzard Thread


dryslot

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I agree. Didn't look too close...but it really seems dependent upon how the models simulate convection across the NE quad...and show much wraps N and NW into the warm conveyor belt. The GFS has done better than I expected with the convection forming extensively along the eastern portion of the low near the trough axis/warm front triple point. If the low slides too far east...the influence on the digging northern stream is lost...and instead of the warm conveyor belt spreading west, most of the advection pattern spreads N-NE instead...until it is too late. Pretty crucial next 12 hours. Even a few hours difference on timing of the phase can mean 50+ mile shift.

You can see how the convection that's firing south of HSE really drives the GFS depiction. That convection winds up screwing around with the advective processes and you wind up with a pretty tightly wound system that's unable to broaden and push west the WCB.

so, does this mean u guys are thinking the gfs isn't as out to lunch as People keep posting about? Is its solution making you a bit unsure?
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Indeed, it was what Phil was talking about with respect to the dominant vortex/anomaly. But yeah, the way convection is developing so intensely far away from the upper low tends to enhance local frontogenesis/pressure falls with a tight/deep anomaly. In this case it would be better if the northern stream managed to speed up. Differences in how models phase the tight anomaly are likely related to resolution.

We see that many times with these srn systems. The diabatic heating also can be a good thing and help pump heights ahead and drive it more north...but that would help when we have a ton of heavy stratiform rain too, releasing latent heat. Pure convection will muck up the advection processes and do what the gfs shows. Will be interesting to see unfold.

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I'd post the MPM qpf photo myself if I had access to it.  It's touch to sneeze as 12+ except for the time where your so close to double that.   Alas

 

The increased progression is troubling--not to the extent that eastern folks need to give a crap.  But, weenies still hold out for for an earlier capture and stall.

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About to post this on Twitter/Facebook. 

 

Still think the odds of 24"+ are pretty low here in CT at any one location. 20% or so? 

 

18"+ is a 50/50 or so proposition in most areas with 12"+ a good bet.

 

The more "deterministic" snow band TV map in my head is like 15"-25" statewide.

 

 

post-40-0-24224500-1360321821_thumb.png

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We see that many times with these srn systems. The diabatic heating also can be a good thing and help pump heights ahead and drive it more north...but that would help when we have a ton of heavy stratiform rain too, releasing latent heat. Pure convection will muck up the advection processes and do what the gfs shows. Will be interesting to see unfold.

Don't have time to look...what did 00z EC Ens do? 

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About to post this on Twitter/Facebook. 

 

Still think the odds of 24"+ are pretty low here in CT at any one location. 20% or so? 

 

18"+ is a 50/50 or so proposition in most areas with 12"+ a good bet.

 

The more "deterministic" snow band TV map in my head is like 15"-25" statewide.

 

With lollies to 42" in Tolland.

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About to post this on Twitter/Facebook. 

 

Still think the odds of 24"+ are pretty low here in CT at any one location. 20% or so? 

 

18"+ is a 50/50 or so proposition in most areas with 12"+ a good bet.

 

The more "deterministic" snow band TV map in my head is like 15"-25" statewide.

I still don't understand this. I don't how you can use this

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I'm over 1,000 miles away and I'm freakin amped! Can't sleep and I won't even see a flake :) Epic storm is epic, I will have to live vicariously through you guys!

im sure some of the guys feel the same way when we have tropical systems coming..same nailbiting situation watching models and a little shift screws some people

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well..........its time.

 

The usual last minute panic attacks have set in as I stare at a wall of love, a sugar wall to the south.  Anyone believing some of the bogus qpf from the models deserves to have a meltdown today.

 

Enjoy the one to two feet of snow in this horrific two year stretch........get out and enjoy it and hug your kids and stop whining jesus christ.

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