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Model Mayhem IV!


Typhoon Tip

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3 minutes ago, ajisai said:

Yep, that's what I was thinking. SE MA got twice what Metro BOS got on that good snow about two weeks back. I drove south to IKEA today in Stoughton actually had much more snow OTG than the more rural areas just outside BOS proper. 

Yeah Boston is at 15.6" I think, and compared to many places nearby we are at a decent deficit that grows daily.

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55 minutes ago, weathafella said:

GEFS stronger vs op by a good amount at 6Z 

But much weaker than the 0z GEFS. 

With the volatility of this event, I still wouldn't feel comfortable getting excited until tomorrow once the first wave is sorted out. 0z runs show the potential, 6z GFS shows what happens with some relatively minor adjustments. Wait and see...

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11 minutes ago, SR Airglow said:

But much weaker than the 0z GEFS. 

With the volatility of this event, I still wouldn't feel comfortable getting excited until tomorrow once the first wave is sorted out. 0z runs show the potential, 6z GFS shows what happens with some relatively minor adjustments. Wait and see...

Also.  NAVGEM was a major hit at 0z, near whiff at 6Z.   Hope for nothing strong tomorrow to keep this one more on the table.

 

if you look at the individuals most have decent hits still on the GEFS.

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6 minutes ago, J Paul Gordon said:

Looks like Accuweather and WeatherUnderground have already drank the Cool aid  re: imaginary coastal on Wed night and Thursday.

while they are terrible in general, your post is even worse. look at trends in guidance, do some work yourself, and dont pay any attention to debbies who swing along with every gfs op run. its coming, could be nuisance advisory type stuff or an old skool coastal with 6"+ spread from phl to bos.

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if this thing really was gonna be a big event region wide the 6z suite would not have backed off imo, we are pretty close to Thursday and anafrontal surprises like what happened last winter to give interior folks the only solid event of the season don't happen often

just like sudden changes to deep cold and snow ala 2015 (rare events relatively speaking)

this will likely be a few to perhaps several inches in the same old zones it always seems to be now when we don't have ptype issues to worry about

i would remain remarkably skeptical from hfd to orh pts nw and pretty skeptical even down towards hvn to wst

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there's another signal emerging for D10-12 ...just sayin'

somethin to maybe keep an eye on in future guidance - 

in fact, the teleconnectors almost wrought lucifer's hammer ... 

huge PNA rise that is collocated and or driven by (not sure which is chicken and egg or coincidental there) tropical forcing ...which either way means the PNA enters a more heavily integrated stable/robust mass field mode.   Meanwhile, the NAO slips negative ... the temporal nexus is around D8 through 12 ...and the MJO ?!  good lord... it's wave space forecast is in constructive interference with said PNA (hense the deep integration over the oceanic basin)... while at the same time, the magnitude is on par with a 25 pt historic comeback!

it's a mad signal actually... Let's see how such a protestation by the teleconnectors and models fail now - 

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Didn't comment earlier, but most guidance has a light snow event for this Friday night/Saturday. Nothing huge, but its on pretty much ever model. Maybe a 1-3 type system if it holds. Nice little WAA stripe. Obviously something that can probably be ignored until mid-week or later.

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13 hours ago, Typhoon Tip said:

there's another signal emerging for D10-12 ...just sayin'

somethin to maybe keep an eye on in future guidance - 

in fact, the teleconnectors almost wrought lucifer's hammer ... 

huge PNA rise that is collocated and or driven by (not sure which is chicken and egg or coincidental there) tropical forcing ...which either way means the PNA enters a more heavily integrated stable/robust mass field mode.   Meanwhile, the NAO slips negative ... the temporal nexus is around D8 through 12 ...and the MJO ?!  good lord... it's wave space forecast is in constructive interference with said PNA (hense the deep integration over the oceanic basin)... while at the same time, the magnitude is on par with a 25 pt historic comeback!

it's a mad signal actually... Let's see how such a protestation by the teleconnectors and models fail now - 

Hecs pattern.

20170207_005803-360x429.png

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7 hours ago, nzucker said:

Hecs pattern.

20170207_005803-360x429.png

It does look tantalizing doesn't it - 

I think the SPV elongation is tempting but ... it's just littttle too strong there.  The wave timing is in sync but not so much the wave space there.  

The southern stream impulse could instantiate the western end of the SPV to come south/fragment off the total structure up there, and then the phasing commences...  yadda yadda ...  1978 sort of deal. That's what led to Feb 5-7 1978 was a subsume phase.. An intermediate/southern stream impulse lowered the resistance south of a SPV fragmentation and down she came... assuming/bullying the wave space and the two absolutely partied their asses off east of Long Island.  

That evolution above is similar - possibly - if only in spirit.  The details surrounding it don't look very comparable, however, so total analog is probably low.  fascinating nonetheless  

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