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December Medium/Long Range Discussion


yoda
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  On 12/18/2020 at 4:42 AM, Ji said:
  On 12/18/2020 at 4:40 AM, psuhoffman said:
Can we keep this pattern rolling into January when this would really pay off?  The worst kind of gut punch would be to largely waste this now then have it break down and resume a typical nina look when our best snow climo starts.  
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We still have not seen any arctic air yet

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looks like we get a brief shot around xmas...then after there is at least cold air around to tap.  We have been paying for the god awful November still.  It was so bad...one of the worst November's every...that it wasn't easy for the thermal profile of North America to recover.  

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  On 12/18/2020 at 4:46 AM, psuhoffman said:

looks like we get a brief shot around xmas...then after there is at least cold air around to tap.  We have been paying for the god awful November still.  It was so bad...one of the worst November's every...that it wasn't easy for the thermal profile of North America to recover.  

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Last month felt like the exact opposite of the last two November's...they were pretty cold  weren't they? And then there were the head fakes that the pattern to follow would be good...and it turned bad instead. Now wouldn't it be funny if the opposite happened this year? Lol

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  On 12/18/2020 at 4:49 AM, Ji said:
  On 12/18/2020 at 4:47 AM, psuhoffman said:
Miracle.thumb.png.80ea2fbea0841d71bb84833fd527f114.png
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That looks like the 20 minute super cold front blizzard we got a few years ago

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It actually stripes us with 3-5" right through up the middle of our forum.

  On 12/18/2020 at 4:49 AM, Ji said:
  On 12/18/2020 at 4:48 AM, psuhoffman said:
Oddly the anafront snow idea on xmas eve is on the GFS and CMC.  
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I'm sure it will work out

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probably not...but we keep seeing chances in this pattern.  

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  On 12/18/2020 at 4:50 AM, Maestrobjwa said:
Last month felt like the exact opposite of the last two November's...they were pretty cold  weren't they? And then there were the head fakes that the pattern to follow would be good...and it turned bad instead. Now wouldn't it be funny if the opposite happened this year? Lol
Cold Novembers to me are a big waste and then the pattern can't hold. This year is so much better so far
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  On 12/18/2020 at 4:51 AM, Ji said:

How can this not produce a4e287526ee553e3e96351dd17b0a14b.jpg

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Would help if that low off AK would back off just a TINY bit...but still that look probably WOULD give us chances and threats...then its up to the details again.  Remember 2 weeks ago we saw the blocking up top several days before even a hint of a specific threat showed up.  People were frustrated about that.  I will take the pattern first...storm threats come if the pattern is right.  

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@Ji There is your threat around New Years on the GFS from that block...gets squashed this run.  Details don't work out.  A system crashes into the west coast and flattens the flow which doesn't allow things to amplify...but that is a detail that will change at that lead.  But you can see with that block nothing is going to cut in that time period.  Just need to get a healthy system to amplify during the window it creates.  

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  On 12/18/2020 at 5:02 AM, psuhoffman said:
[mention=514]Ji[/mention] There is your threat around New Years on the GFS from that block...gets squashed this run.  Details don't work out.  A system crashes into the west coast and flattens the flow which doesn't allow things to amplify...but that is a detail that will change at that lead.  But you can see with that block nothing is going to cut in that time period.  Just need to get a healthy system to amplify during the window it creates.  

Yep lots of chances. I'm sure we won't stay dry for the next 14 days but I still like seeing them on the models. Then at some point we get our heather A before we go into la nina se ridge hell

 

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  On 12/18/2020 at 5:09 AM, Ji said:
  On 12/18/2020 at 5:02 AM, psuhoffman said:
[mention=514]Ji[/mention] There is your threat around New Years on the GFS from that block...gets squashed this run.  Details don't work out.  A system crashes into the west coast and flattens the flow which doesn't allow things to amplify...but that is a detail that will change at that lead.  But you can see with that block nothing is going to cut in that time period.  Just need to get a healthy system to amplify during the window it creates.  
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Yep lots of chances. I'm sure we won't stay dry for the next 14 days but I still like seeing them on the models. Then at some point we get out heather A before we go into la nina se ridge hell

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Or, and here me out, we get our Heather A but the pattern then reloads and we repeat that through March 15...

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  On 12/18/2020 at 5:02 AM, psuhoffman said:
[mention=514]Ji[/mention] There is your threat around New Years on the GFS from that block...gets squashed this run.  Details don't work out.  A system crashes into the west coast and flattens the flow which doesn't allow things to amplify...but that is a detail that will change at that lead.  But you can see with that block nothing is going to cut in that time period.  Just need to get a healthy system to amplify during the window it creates.  
Still no cold
3b61ff55d4437aecfb047648ec15b493.jpg
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  On 12/18/2020 at 5:09 AM, Ji said:

Yep lots of chances. I'm sure we won't stay dry for the next 14 days but I still like seeing them on the models. Then at some point we get our heather A before we go into la nina se ridge hell

 

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I don't know... when we have pacific driven cold Decembers in a nina they tend to fade into a crappy January/February look.  When the AO is this negative it tends to linger and reload through winter.  That doesn't mean we are headed for 1996 or 2010...sometimes we still struggle in a Nina with a -AO to get EPIC results...it just skews us towards a more normal snowfall year v a dreg year...but that is assuming the STJ goes dormant.  If that stays active...then who knows.  

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  On 12/18/2020 at 10:25 AM, dailylurker said:

Sounds like my girlfriend. What's it mean? White Christmas or 75 degrees?

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06z GFS is a White Christmas with highs in the 20s for most... teens in the mountains.  06z GFS would suggest rain Christmas Eve changing to heavy wet snow... ending Christmas morning.  4-8" of snow.  A Christmas miracle indeed

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  On 12/18/2020 at 10:27 AM, yoda said:

06z GFS is a White Christmas with highs in the 20s for most... teens in the mountains.  06z GFS would suggest rain Christmas Eve changing to heavy wet snow... ending Christmas morning.  4-8" of snow.  A Christmas miracle indeed

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Best post I've seen in a while. Almost sexy lol

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