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Ostrich December

I don’t like the influx of cold attic air over Siberia end of the month. There is nothing going to press on it.


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Looks like if it played out like this the next phase could be a big low over AK. Let’s just hope this progression is wrong.
 
So here is day 10-15 on all 3 major 12z ensemble runs. As shown in an earlier post the EPS final 3 days was the coldest of all three model suits. Is it going to be a transient shot of cold followed by normal to above normal temps.?.Let’s see how this plays out after Christmas.

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So here is day 10-15 on all 3 major 12z ensemble runs. As shown in an earlier post the EPS final 3 days was the coldest of all three model suits. Is it going to be a transient shot of cold followed by normal to above normal temps.?.Let’s see how this plays out after Christmas.

f50e5c5ac4e1149c9b860787c5ebf9ed.jpg

349b726a4d22cfb8559ce7cf4063ff9d.jpg

be60914ccd3f59136e5a6c2f9fce953b.jpg

6ffd66104d16dac808d1bd6760b56187.jpg

050ffd90c335bc19dc43b9705713ac61.jpg

433453bab5ee4b9836262f23f8fbf504.jpg



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The 18z GFS is showing some potential down the road. Mostly cold chasing moisture or thread the needle scenarios. Nothing like the winter paradise of yesterday's 18z, but no torch pattern either. The NAO even wants to be negative, thought i can't imagine why.
 
The 18z GFS is showing some potential down the road. Mostly cold chasing moisture or thread the needle scenarios. Nothing like the winter paradise of yesterday's 18z, but no torch pattern either. The NAO even wants to be negative, thought i can't imagine why.

Yep! New decade...So maybe it’s the decade of the -NAO...Last decade sure as h&$$ wasn’t!


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So here is day 10-15 on all 3 major 12z ensemble runs. As shown in an earlier post the EPS final 3 days was the coldest of all three model suits. Is it going to be a transient shot of cold followed by normal to above normal temps.?.Let’s see how this plays out after Christmas.

f50e5c5ac4e1149c9b860787c5ebf9ed.jpg

349b726a4d22cfb8559ce7cf4063ff9d.jpg

be60914ccd3f59136e5a6c2f9fce953b.jpg

6ffd66104d16dac808d1bd6760b56187.jpg

050ffd90c335bc19dc43b9705713ac61.jpg

433453bab5ee4b9836262f23f8fbf504.jpg



Sent from my iPhone using Tapatalk

Those longwave pattern looks give me December 2017 vibes
 
I would not toss in the towel on winter weather potential around Christmas, GFs has been somewhat consistent with its H5 look leading up to this period.

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Yeah, I’m liking that Rex block with an amped wave in the SE, classic setup for a winter storm here. The question is, will there be a +EPO that pushes the ridge over the US, or a -EPO and a trough in the NE. I’m looking into it too much, but that’s what models are showing in the LR taking verbatim.
 
If this LaNina performs like 1998-99, this month into very early Jan may be our best window for a big system. Most likely ice.
 
I’m literally in the fog this evening with visibility much less than the width of the park. This is the foggiest I can remember on a walk here. Temps is near 59, which is just a few degrees under the normal high.

Our leaf peak is just now happening!
 
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