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Jan Medium/Long Range Disco: Winter is coming


stormtracker
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15 minutes ago, Ji said:

Euro almost pulled it off

Yes, that storm track and area covered would be a dream come true for New England.  It's been a brutal winter for the nordic resorts.  Many of which have been closed since just before XMAS.  Some never opened.  Bretton Woods hasn't opened yet.   Bolton Valley had early storms but never got around to laying down tracks and then ... Jackson, Mt. Van Hoevenberg, and Craftsbury have a few kms open - all man-made snow. 

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4 minutes ago, brooklynwx99 said:

the -NAO does not correlate to a SE ridge overall. the months with the strongest -NAOs often have a SE trough

Lately, in the mature part of a -PNA cycle, the correlation has been there. Not overall though yeah. It should be noted that the -PNA cycle began when the AMO went +.

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10 minutes ago, dallen7908 said:

Yes, that storm track and area covered would be a dream come true for New England.  It's been a brutal winter for the nordic resorts.  Many of which have been closed since just before XMAS.  Some never opened.  Bretton Woods hasn't opened yet.   Bolton Valley had early storms but never got around to laying down tracks and then ... Jackson, Mt. Van Hoevenberg, and Craftsbury have a few kms open - all man-made snow. 

Congrats, New England.

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21 minutes ago, brooklynwx99 said:

this will work. HL blocking is insane

ecmwf-deterministic-namer-z500_anom_1day-5298400.thumb.png.9454800b41e692880144ea5b53dd7857.png

 

 

For illustrative purposes only,  but that insane HL blocking regime going across Northern Canada would most likely result ( if correctly modeled) a snow pattern that would run West to East at a fairly lower lattitude. 

Something like this possibly.

 

GDGPd8nX0AACRmf.thumb.png.4c42cfabae06c37b90042fcef18a00cd.png 

 

 

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1 minute ago, brooklynwx99 said:

those kinds of -PNA/-EPO/-NAO patterns can deliver good overrunning while the block is in place and the TPV is close. likely have Arctic air over the top

Indications of shortwaves in the flow with colder air in place. Hint of some precip late on the 15th and on the 17th.

1705341600-MRHnW2xLzJU.png

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1 minute ago, CAPE said:

Indications of shortwaves in the flow with colder air in place. Hint of some precip late on the 15th and on the 17th.

look at this. block decays and sits over the Davis Strait, low heights out west retrograde, heights over the Rockies rise, and the low heights from the TPV move into the 50/50 region. you thinking what I'm thinking? lmao

ecmwf-ensemble-avg-namer-z500_anom-5665600.thumb.png.3b13f7f972d94ff63af3c27024fcc517.png

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53 minutes ago, brooklynwx99 said:

it moved that way too

gfs-ensemble-all-avg-namer-z500_dprog-5179600.thumb.png.757527207dda1a96efc2b3d33c4883c7.png

It's getting closer. EC looks mint.

Before I was watching the 15-20 period, but if that FROPA on the 13th becomes something different in a better way, that window becomes a little larger. 13-20. And the 13th is only 8 days away

 

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9 minutes ago, Terpeast said:

It's getting closer. EC looks mint.

Before I was watching the 15-20 period, but if that FROPA on the 13th becomes something different in a better way, that window becomes a little larger. 13-20. And the 13th is only 8 days away

 

Once the tpv gets to about 95-90* we have a shot. West of there and I find it hard to believe a wave doesn’t cut. Question is when does it get there and how suppressive is it.  

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It’s only the ICON, but it trended towards popping out a vort into the plains ahead of the energy for the 13th. Looks very similar to the GFS progression, less heights immediately in front of the big western blob of energy. Can’t say it is in the transfer camp until the longer 00z run verifies but that leaves only the UKMET being stingy with that vort, keeping it further north.

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1 minute ago, Ralph Wiggum said:

18z gfs has some 1987ish shit happening post 324 hrs.

Ralph…you seem wise…what are we tracking in the LR? I saw red tagger said GFS made good changes.  It was the op run.  I see 3 cutters and a dry cold after.   

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