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November 2013 pattern and discussion


WxJordan

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But it does look to change before 240 hours. Within 6 days the NAO, PNA, and AO "look" to become favorable. This could be the flip; or they could go straight back to unfavorable. **(so)next week for at least one or two days we get all the stars to align. Hopefully it wont be cloudy...

 

True that. What I said is totally unscientific and more just my internal "bad luck" feel. That being said 12z is looking to setup for something good at least cold wise for so early. 

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Look out below 12z GFS has some cold air digging south. It's a good bit colder than 00z last night.

A 1052 arctic high will release the hounds fairly efficiently! And it's well before truncation too! When is the last time we saw a high of that magnitude enter the US in November...or anytime for that matter?

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Fastasy hours looks fastastic

 

OCtcKuk.gif

 

Now this is tantalizing even if it is 324hrs out. The whole run looks quite interesting though - it honestly looks like we could have a real shot at a winter storm over the coming weeks if the timing will just work out. I know it typically doesn't, but to have legitimate threats this early?! I'll take it!

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Active STJ to say the least.  A line of storms coming thru CA throughout the entire run just about

 

n8L785L.gif

 

 

I know its still 200+  and Climo would be against. But that looks like the makings of an Icestorm.

 

I do realize its still in lala land but even todays run at 240 shows a decent CAD and extremely low DPs prior to and even durring the duration of the precip. But thats this runs surface data and my 2 cent.

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The GFS is on crack.  But, since it's the kind of crack that looks good, we might as well look at the 360 hr.  If you want to look for the right ingredients for a winter pattern, then this map is for you.  Perhaps the PNA ridge is a smidge too far west, but other than that, we would be hard pressed to get a better look:

 

 

post-987-0-03389900-1384796161_thumb.gif

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The GFS is on crack.  But, since it's the kind of crack that looks good, we might as well look at the 360 hr.  If you want to look for the right ingredients for a winter pattern, then this map is for you.  Perhaps the PNA ridge is a smidge too far west, but other than that, we would be hard pressed to get a better look:

 

Yes that's got ALL the ingredients.  That's rare too, to even see a fantasy setup with every single one of the ingredients we need.  Blocking, west coast ridge, and high pressure for cold transport AND southern jet for moisture transport where we need it; in the SOUTH.  When was the last time something like that even showed up on a model? 

 

Probably means nothing but I'm going to just go with it and delude myself into believing it's a glimpse of the coming winter.  Yes.  I can see it now...

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Yes that's got ALL the ingredients.  That's rare too, to even see a fantasy setup with every single one of the ingredients we need.  Blocking, west coast ridge, and high pressure for cold transport AND southern jet for moisture transport where we need it; in the SOUTH.  When was the last time something like that even showed up on a model? 

 

Probably means nothing but I'm going to just go with it and delude myself into believing it's a glimpse of the coming winter.  Yes.  I can see it now...

 

12/26/10 is the last time I remember seeing anything remotely that good that worked out, and that's the type of setup we need for another big event like that one.

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We've discussed this before but the 12Z and 00Z runs of the GFS are often way off because they don't initialize as well early (as the Euro does) and are pretty much just a pure guess. There are often huge swings between the 12Z and the 6Z due to the difference in the initialization of the runs.

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We've discussed this before but the 12Z and 00Z runs of the GFS are often way off because they don't initialize as well early (as the Euro does) and are pretty much just a pure guess. There are often huge swings between the 12Z and the 6Z due to the difference in the initialization of the runs.

I would imagine it's hard for models to correctly initialize b/c weather is ALWAYS moving. They (models) are all subject to huge swings because the further out in time you go, the greater chance for error (sensitive dependence on initial conditions).  Once past a few days it's extremely hard to predict with any certainty what will actually occur in any given location. 

 

I've always thought it's better to look for large scale changes past 5 days before trying to key in on any one system.  With that said, I am excited about some of the large scale changes that are beginning to show on the models!  Hoping it comes to fruition and someone (in the southeast) can cash in toward early December.

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Looks icy to me.. esp if the high trends a bit more west.

 

Yea I thought it might push that ULL out to TN or something and would be fun to look at. I'm sure tomorrow will have a totally different solution. We want to be rooting for the GFS out of the models at 12z that's for sure. Euro just looked, "meh". 

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