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January Storm Term Threat Discussions (Day 3 - Day 7)


WxUSAF
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Just now, psuhoffman said:

Yea if that setup doesn’t “work” I’m not even sure what we’re tracking anymore. 

How do we know this isn't unique to just this season, though? You mentioned yesterday about the PV pushing cold to the other side of the globe and the fall torch...how do we know that's not what's doing this? I mean...It still snowed in the 2018-19 winter, didn't it? How do we get snow in the south, and even the January system that year, if the overall base state is bad? And with last year's +++++++++++AO...can we even count that year? Lol Maybe I'm thinking about these things too simplistically, or maybe I'm just looking for optimism, but...I'm just wondering.

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1 minute ago, psuhoffman said:

Here is a scary thought...Dec and Jan are going to finish VERY -AO/NAO. I guarantee you this will be by far the warmest such two month period and it’s likely not even close. 

Your good buddy JB pointed out yesterday that this may have been the warmest winter on record if there wasn't prolonged blocking. Scary.

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8 minutes ago, psuhoffman said:

I think it’s maybe time to stop tip toeing around it. We all know what the issue is. 

My only issue with that is how did things change THAT much over the past several years? 2013-2014 is the coldest, snowiest wall-to-wall winter I can remember in my lifetime. 2014-2015 finished cold and snowy. 2016 had a massive blizzard. March has been a colder, snowier month recently. It's obviously happening and having some kind of impact, but for the impact to be THAT massive in just several years?

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3 minutes ago, osfan24 said:

My only issue with that is how did things change THAT much over the past several years? 2013-2014 is the coldest, snowiest wall-to-wall winter I can remember in my lifetime. 2014-2015 finished cold and snowy. 2016 had a massive blizzard. March has been a colder, snowier month recently. It's obviously happening and having some kind of impact, but for the impact to be THAT massive in just several years?

my guess is positive feedback loop. The warmer it gets the less snow there is so it is able to get warmer even faster. Also it being a la Nina is a factor. I think we can all agree that a el Nino with a -AO/NAO would have produced a colder result for us. If I am wrong someone please chime in. 

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8 minutes ago, psuhoffman said:

Here is a scary thought...Dec and Jan are going to finish VERY -AO/NAO. I guarantee you this will be by far the warmest such two month period and it’s likely not even close. 

I think a big reason is that it’s pretty rare historically to see that sort of combo in a mod Niña.  Now this winter has acted more as a raging El Niño pattern wise than a mod Niña up until the recent shift of that ridge in the PAC which is more a Niña signal.  I just feel that if we tried inserting a raging -AO/NAO combo into winters like 98-99 or 88-89 it still would have been mild.  The PAC state just usually is too crappy to overcome   

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