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December Medium/Long Range Discussion


yoda
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I like this possibility. 

 
 
It's early! But definitely intrigued by next weekend. Compared to say, Tuesday, it is looking like a little better chance for the DC area. It's not perfect but again, it is a week out it doesn't need to be yet. Pattern wise definitely like that both -NAO and a 50/50 low are showing up in a lot of the modeling. Again, not perfect...the west could be a lot better and NAO could be more west based...but these are both features we are lacking with Tuesday so them showing up is a good start. Also of note is the Southern Oscillation Index, or SOI. One of my college professors loved the teleconnection that a sharp SOI dive was well correlated with East Coast storms. Well the SOI is forecast to take it's sharpest dive in at least 4 months around next weekend. So something interesting to keep an eye on!

 

 

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56 minutes ago, NorthArlington101 said:

12z EURO not all that interested. Real sloppy looking storm verbatim 

Always we need to wait til we have very established cold to have a chance. With a warmer base state due to climate change I feel like hedging towards warm sloppy mess for the metros makes sense, especially early season.  

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38 minutes ago, mitchnick said:

Can someone post the Eps AI snowfall total for the entire run? I have Pivotal and for some reason doesn't have snowfall amounts from that one despite the other info. Maybe it doesn't want me to go blind, idk. Anyway, Tia.

image.thumb.png.67684be06fbada1367eeedcbbd5649b8.png

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32 minutes ago, jaydreb said:

image.thumb.png.67684be06fbada1367eeedcbbd5649b8.png

That looks consistent with yesterday's I believe, or the day before. But, consistency does not prove accuracy in this case.  Although maybe the ensembles here are better than the AI model itself.  

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9 minutes ago, mitchnick said:

Nice influx of cold this week, that's for sure.

850t_anom.conus (1).png

I keep checking bluesky to see whether HM ( aka Anthony M. )  posted any updats regarding his December weather thoughts.  Not seeing anything. I know someone posted a while back he was enthused for this Jan. 

 

 

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3 minutes ago, Herb@MAWS said:

NWS local forecast for Columbia on Friday is some sun, hi 33. Good start for the weekend. 

Mount Holly for my area late week.   Brrr 

Thursday Night
Partly cloudy, with a low around 19.
Friday
Partly sunny, with a high near 33.
Friday Night
A chance of snow. Cloudy, with a low around 26. Chance of precipitation is 50%.

 

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Okay this winter is getting really old really fast. The 500mb pattern is so flawed. Highs can’t lock in. Weak southern stream. The is no ridge on the west coast. Flat progressive flow. Fantasy storms disappearing. Real storms string out
Phase 8 my as$

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