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Winter 2020-21 Medium/Long Range Discussion


Hoosier
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30 minutes ago, RCNYILWX said:

Well that's part of the equation, the not having cold air deal, which is certainly the case now, has good ens support in finally changing for the better. The 12z EPS seemed to trend stronger in spiking ridging to and north of AK next week and the GEFS has been favoring that consistently, so that should get cross polar flow going in concert with continued Arctic and Atlantic domain blocking, along with -PNA keeping a steady stream of shortwaves coming ashore.

There's nothing like the black hole AK vortex +++EPO from 2011-12 in the offing and since the ensembles haven't trended away from a colder and active look as the period has gotten closer, not inclined to punt now.

Sent from my SM-G965U using Tapatalk
 

Good points. It's pretty much unanimous that colder air is on the way. Add in the fact that talk of this cold/pattern change happened before models even showed it, then of course once models started showing it they rushed it as always, and you have some just saying over and over it's always 10 days away, it's never going to happen, and things like that. 

 

When there's not cold air it can still snow. We had average snowfall in Detroit in December with above average snowfall in Cleveland, all pretty much with no "cold" air to be had.  The coldest days we had seemed to be products of the fresh snow that just fell. The flip side of this is when there is cold there is no guarantee of some big snow fest. However it certainly increases the chances for snow activity in the Great Lakes region and with or without a big storm we can at least have a period of actual "deep Winter" .

 

As for skeptics of the actual cold coming?  The extent of cold that we will see here is unknown, but when you are seeing unanimous support for colder than average anomalies in the dead of Winter, I think it's a safe bet the pattern is changing. Biggest place to look is western Canada. They are going from extreme warm anomalies to extreme cold anomalies in the coming change. If this somehow does not materialize you might as well just disable all weather models and start sticking your fingers out the window to see which way the wind is blowing.

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32 minutes ago, michsnowfreak said:

Good points. It's pretty much unanimous that colder air is on the way. Add in the fact that talk of this cold/pattern change happened before models even showed it, then of course once models started showing it they rushed it as always, and you have some just saying over and over it's always 10 days away, it's never going to happen, and things like that. 

 

When there's not cold air it can still snow. We had average snowfall in Detroit in December with above average snowfall in Cleveland, all pretty much with no "cold" air to be had.  The coldest days we had seemed to be products of the fresh snow that just fell. The flip side of this is when there is cold there is no guarantee of some big snow fest. However it certainly increases the chances for snow activity in the Great Lakes region and with or without a big storm we can at least have a period of actual "deep Winter" .

 

As for skeptics of the actual cold coming?  The extent of cold that we will see here is unknown, but when you are seeing unanimous support for colder than average anomalies in the dead of Winter, I think it's a safe bet the pattern is changing. Biggest place to look is western Canada. They are going from extreme warm anomalies to extreme cold anomalies in the coming change. If this somehow does not materialize you might as well just disable all weather models and start sticking your fingers out the window to see which way the wind is blowing.

Short version of that....Colder, but average cold is coming. The lack of strong, organized, cross country low pressure systems with deformation band snow this winter is surprising. Running out of winter days to cash in. No legit threats on the horizon. Better likelihood of an earthquake. 

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4 hours ago, Stebo said:

It snowed here most of the day, with no accumulation, in January. Some times just gotta call a shit winter for what it is, shit.

 

1 hour ago, RCNYILWX said:

Well that's part of the equation, the not having cold air deal, which is certainly the case now, has good ens support in finally changing for the better. The 12z EPS seemed to trend stronger in spiking ridging to and north of AK next week and the GEFS has been favoring that consistently, so that should get cross polar flow going in concert with continued Arctic and Atlantic domain blocking, along with -PNA keeping a steady stream of shortwaves coming ashore.

There's nothing like the black hole AK vortex +++EPO from 2011-12 in the offing and since the ensembles haven't trended away from a colder and active look as the period has gotten closer, not inclined to punt now.

Sent from my SM-G965U using Tapatalk
 

 

Idk? Kinda been dreaming about an 11-12 winter lately. :lol:

 

 

BC 5NW 2011-12 Snow totals.PNG

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14 hours ago, RogueWaves said:

 

 

Idk? Kinda been dreaming about an 11-12 winter lately. :lol:

 

 

BC 5NW 2011-12 Snow totals.PNG

What was funny about the much maligned Winter of 2011-12, is had it not been for Morch I think it would have just blended in as run of the mill mild Winter and not everyone's least favorite Winter in their memory lol. We actually had 2 snowfalls, January 20th & February 11th, where we got several inches of snow with temperatures in the mid teens. Legit deep Winter conditions. The problem is you would think we were Denver because it vanished 3 days later.

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4 minutes ago, mimillman said:

Good to see our Alabama friends getting in on the action. Going to be important having Spartman around in hurricane season so the southeastern parts of the Great Lakes sub forum (I.e. Savannah and Charleston metros) are well included.

Are you saying you like this view better?

snku_acc.us_mw.thumb.png.1548e5f89994af1f3a001d8a0480f923.png

Let's hope the map pans out as well. 

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4 minutes ago, Hoosier said:

Are you saying you like this view better?

snku_acc.us_mw.thumb.png.1548e5f89994af1f3a001d8a0480f923.png

Let's hope the map pans out as well. 

I don't get too hung up on the storm itself, but this is a good example of the potential of the pattern with a bowling ball system spreading the wealth.

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29 minutes ago, Malacka11 said:

I'm almost taken aback by this amount of consensus. If this storm doesn't pan out (insofar that it at least snows a lot somewhere nearby), then it's gonna be really hard for me to not be weenie-depressed afterwards.

Yeah all that is in the 200hr+ timeframe. May need a thread if it still shows a system inside 100 hrs 

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18 minutes ago, Hoosier said:

Not gonna worry about it but the extended looks more cuttery or flirting with cuttery than I'd like to see.

Amazing, right? High-lat blocking is going to prevent cutters....blah blah blah. I need to get off this site and all other weather-related sites for a while for my mental health. Won't happen, but it should. 

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I keep hearing from many reputable Meteorologists that this is an extremely complicated pattern.  It reminds me of a theory I learned back in college called the Chaos Theory!  As it relates to Weather, there are just so many variables, especially in this pattern, that make it almost impossible to forecast for than a couple days out.  It obviously is leading to many frustrations, and rightfully so.  Hang in there everyone!  Hopefully mother nature shows her hand soon.  

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