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December Pattern Disco- 2013


Damage In Tolland

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The pattern is weird in the extended. It could be stormy but we seem to lose some cold as the PV lifts out. Hopefully the ridging builds back in the Pacific. Certainly has been the trend anyways as of late.

That's what I am concerned about. Canada deep cold seemed muted in the extended. We need that.

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December 23-31, 2013 Thoughts:

 

In terms of teleconnections, the ensembles continue to favor a predominant EPO-, AO+, PNA+ regime during the closing days of December. At the same time, a large area of cold continues to cover North America and there is little evidence that the cold will be driven from North America anytime soon. Consequently, areas adjacent to the cold will likely wind up colder than normal, as well, even if 500 mb pattern might be expected to have some warmth into those areas.

 

Below are a number of charts showing the temperature anomalies associated with the forecast ENSO-teleconnections, teleconnections alone, GFS ensembles, and NAEFS.

 

Dec23to312013.jpg

 

Continuity with the predominant pattern since November argues that the areas of warmth could be more limited than depicted on some of the above charts. There also remains a distinct possibility of an Arctic outbreak sometime during the 12/23-31 period with perhaps the coldest anomalies focused on the Plains States into central Canada.

 

In terms of overall anomalies for the 12/23-31 period, my thoughts are as follows:

 

Much of Canada: Colder than normal

Northern and Central Plains: Colder than normal

Great Lakes Region/Ohio Valley: Colder than normal

Pacific Northwest: Near normal

New England and the Middle Atlantic Region: Colder than normal

Southeast/Gulf States: Warmer than normal

Southern Plains (including Texas): Somewhat cooler than normal to near normal

Desert Southwest: Warmer than normal

Breathe Jerry

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Lol...

I didn't like this mornings look...maybe a burp...we'll see.

I was also thinking.,,,did we start too early?......random thoughts in a weenie's far from spotless mind...

We all go thru the worry. Yesterday Scooter was saying full steam ahead..full steam..now he's worried..Last week it was me. It was nice to see the Euro ens cold

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Breathe Jerry

I read the same Don update, and then read his most recent post later in the thread.  The problem is, is that Don's latest update seems to indicate a growing consensus for the EPO to go to neutral, and the warming the comes along with that.  

 

We are at an inflection point and the globals today and tonight will be critical.  Personally, I think it gets dicey a bit but then within a few days we see signals of help on the Atlantic side.

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I read the same Don update, and then read the most recent post.  The only problem is, is that Don's latest update seems to indicate a growing consensus for the EPO to go to neutral, and the warming the comes along with that.  

 

We are at an inflection point and the globals today and tonight will be critical.  Personally, I think it gets dicey a bit but then within a few days we see signals of help on the Atlantic side.

 

It will get more stormy and I do think it avgs near to below, but the EPO will flattern out and SE ridging increase a bit. So, more storms..but track wise may be close to us. That's all. It's only a speculation. The GEFS certainly are colder and I can't argue with that. 

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It will get more stormy and I do think it avgs near to below, but the EPO will flattern out and SE ridging increase a bit. So, more storms..but track wise may be close to us. That's all. It's only a speculation. The GEFS certainly are colder and I can't argue with that. 

Yes, but the word "disaster" is what greeted me this morning as I reviewed the pattern thread.  I realize though that tropopauses's pain is sometimes my gain....and stormy sometimes means snowy in the real NH.

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It's funny. Before I ran I read the posts from last nights 00z runs and folks were giddy with cold and ice storm and like 12 hours of 40's. Not 3 hours later and its worry, torch and bare ground talk . Enough to make ones head spin. Let's see where the trends take us the next few days before getting too high or too low

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It's funny. Before I ran I read the posts from last nights 00z runs and folks were giddy with cold and ice storm and like 12 hours of 40's. Not 3 hours later and its worry, torch and bare ground talk . Enough to make ones head spin. Let's see where the trends take us the next few days before getting too high or too low

 

The ability to change ones mind when confronted with additional information is a sign of intelligence.

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It's funny. Before I ran I read the posts from last nights 00z runs and folks were giddy with cold and ice storm and like 12 hours of 40's. Not 3 hours later and its worry, torch and bare ground talk . Enough to make ones head spin. Let's see where the trends take us the next few days before getting too high or too low

I do agree with this, but it is more my emotional reaction.  Will be watching models today and tonight with great interest.  Can't wait to finally see hints of surprises and hope begin to show on the atlantic side.  I think we see those on LR soon.

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