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December Medium/Long Range Discussion


yoda
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6 minutes ago, Ji said:

Why are their cutters on the gfs

yeah.. the track of the new years storm doesnt really fit the pattern... there is clearly a massive Greenland block and a 50 50 low... I guess those features need to be a little further north and west.. but hey.. I will take it at this range

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43 minutes ago, Ji said:

Why are their cutters on the gfs

Highest heights are not in our favored area, looks like a East based Greenland block. We need that block to retro West into the Davis Straights. That could be one reason, but not the only one. 

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14 minutes ago, Weather Will said:

WB 6Z GEFS really still likes period between Christmas and early 2021...

EB3B5BC3-9156-4680-8FB8-81770956A259.png

B08A1746-D27D-493B-B2BA-5D24AE770F02.png

A52B46B6-FF1C-4C24-97D7-2A02CD75E6A4.png

 

For once I can say that is starting to look better.  Models are still catching on to the blocking scenario and eventual outcomes at the lower latitudes. 

Also, I have not seen this blocking signature for some time, evident by the temp anomalies to our far NE via the Canadian 10 day mean. 

 

tenday.gif

 

 

 

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Just now, snowman19 said:

That’s one issue, the other issue is the PAC side

When looking at the PNA domain it is possible things improve there, a short window with a more pronounced +PNA will help the storm threat window(s).  

I have not checked today, but yesterday it appeared the PNA was headed more positive and the NAO more negative. 

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Just now, frd said:

When looking at the PNA domain it is possible things improve there, a short window with a more pronounced +PNA will help the storm threat window(s).  

I have not checked today, but yesterday it appeared the PNA was headed more positive and the NAO more negative. 

It’s an EPO problem too, troughing over AK

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Although I did "promise" a white Xmas, the way its looking maybe the best chance (for some) is for the snowpack to survive the upcoming mild period, fog, and probably 1-2" of rain lol. 

Still a chance for a brief period of snow or snow showers behind the front, and maybe a coating. Flakes in the air is my bar.

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1 minute ago, CAPE said:

Although I did "promise" a white Xmas, the way its looking maybe the best chance (for some) is for the snowpack to survive the upcoming mild period, fog, and probably 1-2" of rain lol. 

Still a chance for a brief period of snow or snow showers behind the front, and maybe a coating. Flakes in the air is my bar.

That's going to be a tough road. We still have six days to go and it's going to warm up and we are going to get some sun this week and that's before we get all that rain and temps surge Thursday.

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2 hours ago, frd said:

Highest heights are not in our favored area, looks like a East based Greenland block. We need that block to retro West into the Davis Straights. That could be one reason, but not the only one. 

Just mentioned this in my home forum. Ens means are east-based. That is one way we could waste the good pattern looks on the ops. Unless you have a stable boat and head East.

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