Jump to content
  • Member Statistics

    17,610
    Total Members
    7,904
    Most Online
    NH8550
    Newest Member
    NH8550
    Joined

2015-16 Winter Pattern Discussion


Recommended Posts

  • Replies 2.5k
  • Created
  • Last Reply

Most of the time, and it doesn't matter what the oceans are or aren't doing, we need a decent high pressure in a good spot, not moving out, in order to have a big, widespread winter storm. Most of the time, we don't. That's why most of the time, we get rain or a sloppy mix outside of the mountains and western Piedmont areas.

If we have a big high in a good spot, we'll be fine, just like always. Problem is, we usually don't.

Warm oceans....nino's...and yet it's our highest averaged for snow enso. Hmmm...

Link to comment
Share on other sites

What's going on around here...in Nov/early Dec I was getting killed for being "negative" about the pattern and now we are moving to a canonical Nino pattern and I am somewhere upbeat about long term chances and everyone else is negative. LOL...

 

I think it's just a product of being 8 days out, but man, you rarely see a "pattern shift" move up in time, but if anything, this one has.  It may not be enough of a shift to get much of the SE snow, but it beats the heck out of the pattern we've seen the last 2.5 months.  I share your optimism and timeline; though my WAG is that we probably won't see many chances until the 2nd week of January.

Link to comment
Share on other sites

I think it's just a product of being 8 days out, but man, you rarely see a "pattern shift" move up in time, but if anything, this one has.  It may not be enough of a shift to get much of the SE snow, but it beats the heck out of the pattern we've seen the last 2.5 months.

Agreed...climo/elevations will be favored...a deep cutoff tracking to our south would go a long way.

Link to comment
Share on other sites

The strongest Ninos' in history correlate to highest average snows for you?  Really?  By warm oceans I don't mean just the pacific.  Look at the warm waters in the east!

We have a similar Atlantic to last 2 winters and we snowed...but agree, looking forward to AMO shift.

Link to comment
Share on other sites

Agreed...climo/elevations will be favored...a deep cutoff tracking to our south would go a long way.

 

I can see WNC getting a really big dog or two this year. Gonna be feast or famine for them this Winter. Right now they're starving like the rest of us, but at some point, there'll be some cold around for one of these and the higher elevations will bank. Might be a really frustrating winter for us Lee folks again though- hopefully we can indeed get that Southern track going with a chill in the air. 

Link to comment
Share on other sites

I have my eyes on the storm depicted by the GFS and now the Euro around January 1st. Both have the storm a little too far offshore but if it trends NW any then we could be looking at a potential snow threat. Something to watch closely as the cold air will either be in place already (GFS) or very close by (Euro). I could easily see this trend stronger and amplify sooner which would adjust the track NW. Being 198-216 hours out its getting in the time range where models start picking up on it a little better.

Link to comment
Share on other sites

What's going on around here...in Nov/early Dec I was getting killed for being "negative" about the pattern and now we are moving to a canonical Nino pattern and I am somewhere upbeat about long term chances and everyone else is negative. LOL...

I wasn't negative before am I'm not negative now. Winter will come.
Link to comment
Share on other sites

Curious LR battle between GEFS/EPS...GEFS has -EPO on steroids and EPS doesn't and thus days 12+ are much colder on GEFS.

The GFS ensembles received a resolution upgrade recently if I remember correctly? This may be a good test to see which one handles the pattern change better. Analogs suggest the GEFS solution as more viable but the Euro does have a good track record.. Question is are its ensembles just as good too?

One other question I haven't seen addressed anywhere but thought I would bring it up. The CMC has a strong PNA ridge at the end of its run with a 1049mb high centered over Nevada where there is abundant snow due to the STJ/El Nino. Could the early season snows in these areas (November and December) act to help build/establish a strong PNA ridge later in the winter due to the enhanced snow coverage and depth? Here is an image from the 12z CMC at your 240 showing the frigid temps under the HP.

gem_T850_namer_41.png

Link to comment
Share on other sites

January 1-2nd storm still there. So close to being something, just need the vort to go at least neutral tilt...

gfs_mslp_pcpn_frzn_us_37.png

 

The signal has been there forever too, at least the last 7 days for something in the Jan1-4th timeframe.....still in the 7-10 day range though....still would rather see that look there than a huge SE ridge....

Link to comment
Share on other sites

December 29-30 needs to be watched closely. Euro has a 1045mb high centered over SE Canada creating a weak CAD wedge and GFS run as of 00z is much stronger with the wedge, ice all the way to the NC/VA border in the CAD regions. It is also weaker with the surface low out west (less WAA) and stronger with the high compared with previous runs. With the system still 120 hours out some small changes like HP placement/strength and LP placement/strength could further increase the CAD effect. Quicker overrunning precip like the GFS shows would help while a further west low with less overrunning wouldn't.

Link to comment
Share on other sites

00z says, what storm? 

Nah it didn't lose the storm, it is just very suppressed and moves it fairly quickly east. The particular storm this far out isn't very important, but rather the overall pattern the first week or so of January. Shortwave after shortwave. I have to say the pattern change (as of now) might be exactly what we've been looking for: cold air in place, with an active southern jet...with a look like that, someone is going to get something. I'm just happy to get out of this enhanced +AO phase and into something more neutral/slightly negative. 

Link to comment
Share on other sites

Archived

This topic is now archived and is closed to further replies.

Guest
This topic is now closed to further replies.
  • Recently Browsing   0 members

    • No registered users viewing this page.

×
×
  • Create New...