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Winter 2022-23


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1 hour ago, mattie g said:

2016-2017 was shite down here. Get that talk outta this sub!

:lol:

Almost all the analogs they are throwing around were "shite" down here... and in some cases they thought they were "ok".  Partly why I'm not engaging on all the discussion over specific minor pattern influencers and factors...because no matter how you slice it up the major global indicators say this will be a pretty bad snowfall winter here.  There is always hope for a fluke.  Maybe the effects of the volcanic eruption throw a wildcard into the mix.  Maybe we get a weird non nina 1996 outcome or a lucky 10 day run like January 2000 in an otherwise dreg pattern year.  But those are not the kinds of things that we would see coming and can discuss scientifically ahead of time IMO.  

ETA:  I should clarify we can discuss those possible wildcards scientifically...we are discussing them in a productive way...I have no issue with the discussion here.... just that I don't think we have enough data for these more rare factors to be able to say ahead of time with any degree of certainty what the effects will be.  

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22 minutes ago, StormchaserChuck! said:

Actually, this kind of -NAO in October heavily correlates with a +NAO Winter. a few things remind me of 2018. 

Some of the same forcing mechanisms that are conducive for HL blocking now become hostile and have a very different response come winter.  I think there can be instances where a cold pattern in the fall, if driven by specific global factors that remain positive influences in winter can be a good thing.  But I worry that some of the tropical forcing helping now would be detrimental come winter.  

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8 minutes ago, psuhoffman said:

Some of the same forcing mechanisms that are conducive for HL blocking now become hostile and have a very different response come winter.  I think there can be instances where a cold pattern in the fall, if driven by specific global factors that remain positive influences in winter can be a good thing.  But I worry that some of the tropical forcing helping now would be detrimental come winter.  

I share the same concerns. Best we're going to do is slightly below average snowfall and we get there with a storm that "breaks the rules" or threads the needle. We probably end up with even less. 

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56 minutes ago, psuhoffman said:

Some of the same forcing mechanisms that are conducive for HL blocking now become hostile and have a very different response come winter.  I think there can be instances where a cold pattern in the fall, if driven by specific global factors that remain positive influences in winter can be a good thing.  But I worry that some of the tropical forcing helping now would be detrimental come winter.  

Excellent post, I mentioned this a few days ago. The tropical convective forcing has been in the eastern IO and maritime continent this entire fall so far….really since August. Very consistent convection in that region. Right now it is producing the +PNA pattern, once the wavelengths and feedbacks change going into winter, if the main forcing stays there, we are in serious trouble 

 

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1 hour ago, psuhoffman said:

Some of the same forcing mechanisms that are conducive for HL blocking now become hostile and have a very different response come winter.  I think there can be instances where a cold pattern in the fall, if driven by specific global factors that remain positive influences in winter can be a good thing.  But I worry that some of the tropical forcing helping now would be detrimental come winter.  

We ware shifting pattern in the Southern Hemisphere too to colder. 

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28 minutes ago, snowman19 said:

A lot of very bad info going around Twitter right now saying the PDO is positive…totally false. It is actually strongly negative and here’s why: 

 

Good tweet. But I do wonder about the trend. It was -2 not too long ago, and now it is only -1. Maybe it’s just a blip and will revert back, or maybe it continues toward neutral.

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2 hours ago, psuhoffman said:

Some of the same forcing mechanisms that are conducive for HL blocking now become hostile and have a very different response come winter.  I think there can be instances where a cold pattern in the fall, if driven by specific global factors that remain positive influences in winter can be a good thing.  But I worry that some of the tropical forcing helping now would be detrimental come winter.  

This is why la nina is usually front loaded.

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3 hours ago, StormchaserChuck! said:

Actually, this kind of -NAO in October heavily correlates with a +NAO Winter. a few things remind me of 2018. 

I remember the pattern during the fall of 2006 was awesome, then you came out with your infamous "warmest winter on record" thread, and sure enough, it went to shit.

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3 hours ago, psuhoffman said:

Some of the same forcing mechanisms that are conducive for HL blocking now become hostile and have a very different response come winter.  I think there can be instances where a cold pattern in the fall, if driven by specific global factors that remain positive influences in winter can be a good thing.  But I worry that some of the tropical forcing helping now would be detrimental come winter.  

But just because the forcing has set up in a certain place right now doesn't necessarily mean it will remain in the same place for the next five months...or does it?

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2 hours ago, mattie g said:

But just because the forcing has set up in a certain place right now doesn't necessarily mean it will remain in the same place for the next five months...or does it?

No it doesn’t. But the forcing I’m talking about is correlated to some very persistent larger scale patterns that have been dominant in the pacific for a very long time. 

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Maybe we need a medium/long range thread again, but it seems that the +PNA/-NAO pattern will probably continue to be durable for awhile, despite a period of -PNA coming after next week.  This discourages me as I have a hard time imagining that continuing to hold into DJF.  

 

 

 

 

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4 hours ago, snowman19 said:

Excellent post, I mentioned this a few days ago. The tropical convective forcing has been in the eastern IO and maritime continent this entire fall so far….really since August. Very consistent convection in that region. Right now it is producing the +PNA pattern, once the wavelengths and feedbacks change going into winter, if the main forcing stays there, we are in serious trouble 

 

Hard to figure why you are a daily post limited member with all the quality posts parroting twitter nerds.

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3 hours ago, mattie g said:

But just because the forcing has set up in a certain place right now doesn't necessarily mean it will remain in the same place for the next five months...or does it?

Wait, I know this one.

If the forcing is where we want it, it won't last.

If the forcing is not where we want it, it is totally locked in. 

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On 10/11/2022 at 7:48 PM, 40/70 Benchmark said:

 

True. Though I think 2010-2011 was decent down there, no?

You are probably referring to 2009-2010. That winter we had THREE Blizzards. I remember it because dad and I were trying so hard to come home from Hollywood Casino during one of the snowstorms, we had to turn back because the damn clouds and snow made it near impossible to drive. We had to turn back and I won a thousand dollars and change on the slots. 

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1 minute ago, Jebman said:

You are probably referring to 2009-2010. That winter we had THREE Blizzards. I remember it because dad and I were trying so hard to come home from Hollywood Casino during one of the snowstorms, we had to turn back because the damn clouds and snow made it near impossible to drive. We had to turn back and I won a thousand dollars and change on the slots. 

Nah, I know that was the holy grail there.

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4 hours ago, WxUSAF said:

Maybe we need a medium/long range thread again, but it seems that the +PNA/-NAO pattern will probably continue to be durable for awhile, despite a period of -PNA coming after next week.  This discourages me as I have a hard time imagining that continuing to hold into DJF.  

 

 

 

 

I think these were next up in @snowman19's queue of tweets to quote...lol

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