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December Discussion Thread


IsentropicLift

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The 18z NAM is an inch plus for the coast and 0.75"+ for everyone else. It's such a fast mover, otherwise this would have been a QPF bomb.

 

As modeled now assuming we do not see a major closing off of the system which would be tough the QPF will verify way lower than most of these runs currently show, thats one of the most important rules of forecasting with a fast moving system, models usually do not catch onto the reduced QPF due to fast movement til inside 36-48 hours...sometimes even less.

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As modeled now assuming we do not see a major closing off of the system which would be tough the QPF will verify way lower than most of these runs currently show, thats one of the most important rules of forecasting with a fast moving system, models usually do not catch onto the reduced QPF due to fast movement til inside 36-48 hours...sometimes even less.

Agreed, Looks like some late, sloppy phasing down south. Northern stream acting as a bit of a kicker.
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In October and November Isotherm and I went back and forth saying our biggest concern for this entire winter was that we would have a good amount of cold air but no mechanism to keep it in place when it mattered. Here we are.

 

 

Yeah this weekend event is probably going to be a rough one. The southern and northern streams are disjointed so the STJ vort basically needs to manufacture its own cold by rapid intensification. It needs to take a perfect track SE of us and become stronger than currently progged to the pull the sub 0c mid level cold into the storm system. If there's too much northern stream interaction, it'll trend colder in the mid level but also too far west (Coastal hugger) for us to benefit. Without a 50/50 low it's really threading a needle.

 

Beyond that, the pattern vastly improves, and the January 3rd threat is quite real IMO, especially if we can get some MJO forcing into p8-1.

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They didn't lose it, it's still there. In fact the energy is digging all the way down to the Gulf Shores. But there is no amplification on the west coast and no blocking to slow down the progressive pattern. So it swings out to sea..

 

http://www.meteo.psu.edu/~fxg1/AVN_12z/f108.gif

John , I guess I will jump off the board  , I just had my last 2 posts deleted one on the Jan thread of  a 120hr Euro Ensemble and the 2nd was my thoughts on the Euro in the NW  suburbs on the Sun system , I am always courteous , and non of the posts were anything other than maps and my opinion .

If someone disagrees with me  that's always ok , I don't think it should rise to the level of deleting what I think could happen  , thought my stuff added value .

I`m surprised that's going on here .

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They didn't lose it, it's still there. In fact the energy is digging all the way down to the Gulf Shores. But there is no amplification on the west coast and no blocking to slow down the progressive pattern. So it swings out to sea..

 

http://www.meteo.psu.edu/~fxg1/AVN_12z/f108.gif

John , I guess I will jump off the board  , I just had my last 2 posts deleted one on the Jan thread of  a 120hr Euro Ensemble and the 2nd was my thoughts on the Euro in the NW  suburbs on the Sun system , I am always courteous , and non of the posts were anything other than maps and my opinion .

If someone disagrees with me  that's always ok , I don't think it should rise to the level of deleting what I think could happen  , thought my stuff added value .

I`m surprised that's going on here .

You can't post paid Euro images here.

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You can't post paid Euro images here.

I am friends with JB , if u read his stuff im Paul from colts neck , he refers to me as the Monmouth County Monster , its an MMA thing

he loves his stuff posted here .

 

ping me at work and I will have him reach out to u . unless the board doesn't like it then ok

but WB loves there stuff here

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You can't post paid Euro images here.

I am friends with JB , if u read his stuff im Paul from colts neck , he refers to me as the Monmouth County Monster , its an MMA thing

he loves his stuff posted here .

 

ping me at work and I will have him reach out to u . unless the board doesn't like it then ok

but WB loves there stuff here

Nothing personal we just have a rule against posting Euro images since ECMWF has contacted us about it on numerous occasions.

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Hr 78 low tucked right into the coast. Area getting hammered by heavy rain. Hour 81, passing inside the benchmark. Hour 84 wrapping up, lots of wrap around moisture. Sullivan and northern Orange Counties might end with some slush.

 

1-2" of rain for everyone. It looked almost like it wanted to close off at hour 78, and it might have but a little hard to tell with my maps.

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At 3500 feet in southern Vermont this has got to be all snow! I already spent serious cash for 5 days at mt snow. I have a scary feeling I might have been better off going way north up to Stowe where they didn't have the grinch meltdown they did in southern ne. Anything is better then wantagh this winter as we missed the Xmas ever squall and no even a flurries today!

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Good sign from the NAM tonight at 84 hours with regards to the possible NYE system, its quite amplified over AR/TN/MS...definitely better than seeing it come in flat as a pancake, without a doubt that event still has a chance.

Are you talking about the Sunday/ Monday event?

 

If so, does this bode well for the Catskills?

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The 12z Euro ends as some very wet snow far NW sections. Sub 1000mb low just east of ACY at hour 60. Not quite as tucked into the coast as the NAM or the GFS.

I hate to do it but

 

YanksFan27, on 26 Dec 2013 - 3:46 PM, said:snapback.png

Nobody in NJ will see a flake from this storm.

 

Perhaps now you'll see what people are talking about?

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I hate to do it but

 

YanksFan27, on 26 Dec 2013 - 3:46 PM, said:snapback.png

 

Perhaps now you'll see what people are talking about?

Just reporting what the model shows since not everyone has Euro access. The Euro is the most southeast and coldest model of all the 12z Guidance thus far, except for the UKMET which actually has nearly an identical track. And I should clarify, the wet snow would most likely be restricted to the Poconos and Sullivan County.

 

12z UKMET positioning - I know the UKMET has a known bias for being too far east with coastals but IDK if that applies here.

 

P1_GZ_D5_PN_060_0000.gif

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