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December 2024 - Best look to an early December pattern in many a year!


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not sure what the skill is here ... my impression is not great, but ... there's a big time high altitude heat intrusion modeled by the day-10 gfs over on the asian side of the pv, and it's intense enough that it's stressing the field/'kidney beaning'   that's usually consistent with ssw, that much i know.   but this below doesn't always signal one is imminent, either. it has to be qualified as a downwelling and mulit-layer distorting which cannot be determined yet.   it also doesn't fit the climate puzzle with qbo/solar leading ... no

it's interesting.  something big is assessed either way to distort the planetary vortex as much as that is, tho. with all this early season epo/wave breaking at high latitude had me wondering if a big planetary wave dispersion event may be on the verge of taking place despite the climate background. it would not necessarily reflect an ssw, but a very deep wpo out there that is coupled to the troposphere  - that's code for splitting the vortex. but we'll see.

https://www.cpc.ncep.noaa.gov/products/stratosphere/strat_a_f/gif_files/gfs_t02_nh_f288.png

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4 minutes ago, Typhoon Tip said:

not sure what the skill is here ... my impression is not great, but ... there's a big time high altitude heat intrusion modeled by the day-10 gfs over on the asian side of the pv, and it's intents enough that that it's stressing the field/'kidney beaning'   that's usually consistent with ssw, that much i know.   it doesn't fit the climate puzzle with qbo/solar heading ...

it's interesting.  something is big assessed either way to distort the planetary vortex that much tho -

https://www.cpc.ncep.noaa.gov/products/stratosphere/strat_a_f/gif_files/gfs_t02_nh_f288.png

Per Joe D’Aleo at WB: “Strat warm favored in west QBO near solar max”
 

 
https://www.americanwx.com/bb/topic/60046-2024-2025-la-nina/?do=findComment&comment=7489229

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4 minutes ago, mitchnick said:

Per Joe D’Aleo at WB: “Strat warm favored in west QBO near solar max”
 


     I checked it and by golly I think he has a point:
 


    Solar DJF 135+/west QBO:
 


    57-8: SSW 1/31/58
 


    59-60: SSW 1/17/60
 


    69-70: SSW 1/2/70
 


    78-9: SSW 2/22/79
 


    80-1: SSW 2/6/81
 


    90-1: no SSW
 


    99-00: SSW 3/20/00
 


    01-02: SSW  12/31/01, 2/18/02
 


      
    -So, of these 8 high solar/+QBO winters, 7 had at least one major SSW and one had two! 
 


    - earliest 12/31
 


    - 3 in Jan
 


    - 3 in Feb 
 


    - 1 in Mar
 


    - So, perhaps one will actually be likely this winter should DJF SSN be 135+.
 


     
     
 


    SSN: https://www.sidc.be/SILSO/DATA/SN_m_tot_V2.0.txt
 
https://www.americanwx.com/bb/topic/60046-2024-2025-la-nina/?do=findComment&comment=7489229

yeah, i know who he is.  have spoken to him before.  back in 2005 actually, and come to think of it ( ironically...) we were discussing this particular solar period 2020 -2030 at the time.  wow. weird.

anyway, i don't have as much knowledge about the solar cycles.  my knowledge fades after uv --> ozone destruction and that particular correlation.  in the general sense, active summer and autumn + tends to correlated with +aos, because uv associated with solar storms is a cosmic cleaner.   lower ozone changes the temperature conductivity at the densities of the stratosphere...     but there could be exceptions in the peridiocities.  seems there's where that focus is there.

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I still can't believe the mountains are 50"+ on the season to date and BTV has yet to record its first inch.

You want to talk about microclimates... 15 miles as the crow flies between BTV and Mount Mansfield.  

One is looking for its first inch, the other has had nearly 5 feet on the season with a settled depth of 30".  Even without elevation factored in, we've had 15" in town over the past two weeks.

Dec6.thumb.jpg.b6cb1f64707d356368ff62810dffa1b5.jpg

Dec_6.thumb.jpg.0119e62219973179d782f352f40edf5c.jpg

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1 hour ago, powderfreak said:

I still can't believe the mountains are 50"+ on the season to date and BTV has yet to record its first inch.

You want to talk about microclimates... 15 miles as the crow flies between BTV and Mount Mansfield.  

One is looking for it's first inch, the other has had nearly 5 feet on the season with a settled depth of 30".  Even without elevation factored in, we've had 15" in town over the past two weeks or so.

Dec6.thumb.jpg.b6cb1f64707d356368ff62810dffa1b5.jpg

Dec_6.thumb.jpg.0119e62219973179d782f352f40edf5c.jpg

I used to work with a guy from Burlington, I thought they did good snow wise and he said we get more down here than they used to get.

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