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Pattern Jammin January 2024

Happy Hour is delivering the cold and digital snow for 1/19
gfs_mslp_pcpn_frzn_us_54.png
 
GSO runing -2.6 so far this young January. Far cry from the +5.7 we ran Jan 23

We logged a +2.6 for Month of Dec. So for Met winter (D,J,F) we will be runing slightly BN temp wise after todays numbers are crunched in. Qpf is through the roof AN.
Sooner or latter the odds will work in our favor if this keeps up.
 
Kudos to Grit and Fro pointing out the Greenland block being dominant player. If it happens id put the chances for my area at 80-85% + seeing accumulating snow, frozen mix. Nice window of opportunity if we win the battle of the ridges up north.
Makes a world of difference if the cold air is pressing down instead of sliding across. Blocking for the win!
 
18z GFS does 2 things that the good model runs are doing. 1) The low/wave that drops down out of SW Canada on Jan 11 slides east of Seattle instead of plopping down right on top of them, and 2) The big cutter wave that subsequently comes out of the S Plains is strong, and it pumps ridging out ahead of it that reinforces the Greenland block as it gets stuck underneath it.

hBiqe0y.gif



12z GFS does the opposite. Drops the wave on top of Seattle and has a weak wave coming out of the S Plains into the Great Lakes

NVV9U44.gif
 
18z GFS does 2 things that the good model runs are doing. 1) The low/wave that drops down out of SW Canada on Jan 11 slides east of Seattle instead of plopping down right on top of them, and 2) The big cutter wave that subsequently comes out of the S Plains is strong, and it pumps ridging out ahead of it that reinforces the Greenland block as it gets stuck underneath it.




12z GFS does the opposite. Drops the wave on top of Seattle and has a weak wave coming out of the S Plains into the Great Lakes
0z GFS looks like another positive trend regarding your first point. Dropping into Montana this run AFB88186-0686-4CB9-8CDC-EDBF99067785.png
 
good grief

gfs_z500aNorm_us_29.png

someone is getting a historic storm lol (not us)

safest bet is to write off any long range stuff after this storm crescendos until we get better consensus on this beast. because how it evolves will be critical to how blocking progresses after
 
good grief

gfs_z500aNorm_us_29.png

someone is getting a historic storm lol (not us)

safest bet is to write off any long range stuff after this storm crescendos until we get better consensus on this beast. because how it evolves will be critical to how blocking progresses after
no doubt the run to run changes are laughable at best.
 
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