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January 2026 Medium/Long Range Discussion


snowfan
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6 minutes ago, SnowenOutThere said:

The height lines seemed backed a smidge further west with more vorticity in the main lobe angled west. Additionally, the ribbon of vorticity running out ahead of the lobe (paving its path) seems to be a bit more intense and catching the southern energy better. So far I am hopeful.

Agreed. The tough issue with this potential that can't be changed is the approach of the pacific s/w. Normally, I like the "ribbon" coming through the Yellowstone region in a ESE direction. With the ridge so firmly anchored over Northern California, we're dealing with a wave diving out from the Dakotas to the SSE.

But there's more than one way to bake a cake, and this seems to be one of them. Whatever works. lol

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3 minutes ago, wxmeddler said:

Agreed. The tough issue with this potential that can't be changed is the approach of the pacific s/w. Normally, I like the "ribbon" coming through the Yellowstone region in a ESE direction. With the ridge so firmly anchored over Northern California, we're dealing with a wave diving out from the Dakotas to the SSE.

But there's more than one way to bake a cake, and this seems to be one of them. Whatever works. lol

I mean from what is advertised it makes sense but its just crazy to see the main vorticity go from central MN to central MO without moving any further east. An additional question I have is what makes some vorticity to be ropes vs lobes. I understand its a measure of small air parcels spinning counterclockwise which indicates diffusion in the atmosphere which is tied to upper level winds and temp advection but still cant quite grasp why it actually appears like it does.

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Just now, wxmeddler said:

Can't be upset with this at 5 days out. Not worth worrying about about the details (temps, banding, etc) now. 
image.thumb.png.7631e4ff22403001f68f009fc6c6b9ec.png

Ya with the h5 looks like that surface will start showing some big runs. 

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