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Late January and February Medium/Long Range Discussion


WinterWxLuvr
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1 minute ago, CAPE said:

It's a Miller C.

Honestly I think the labels add nothing. Who cares. We can all see the evolution at h5 and the surface. Describe the depiction in that context, and that's what it is.

The most basic A/B discriminator is classically:

A:  gulf low that moves up the coast

B: OH/TN valley low that hops to the coast and moves NEward

 

I think maybe a better discriminator is:

A:  southern stream dominant.  Northern stream often phases in.

B: northern stream dominant.  Sometimes no southern stream involvement at all.

 

The precip pattern shown on the globals is 100% CLASSIC Miller B for this weekend.  It's clearly northern stream dominant, although there is some southern stream involvement.  

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Just now, WxUSAF said:

The most basic A/B discriminator is classically:

A:  gulf low that moves up the coast

B: OH/TN valley low that hops to the coast and moves NEward

 

I think maybe a better discriminator is:

A:  southern stream dominant.  Northern stream often phases in.

B: northern stream dominant.  Sometimes no southern stream involvement at all.

 

The precip pattern shown on the globals is 100% CLASSIC Miller B for this weekend.  It's clearly northern stream dominant, although there is some southern stream involvement.  

BOOYAH.  Knew I was right. 

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8 minutes ago, psuhoffman said:

The surface changes didn’t do the improvements Justice.   It’s worlds apart. 12z euro h5 would argue there a lot more room for a better surface outcome even without much change there. 
 

12z v 0z 

Given that I don't know a lot, I'm happy that you said this because I was thinking the exact same thing.

When I saw that energy diving down the backside of the vort, I thought it was going to 1) close off and 2) go boom. First thing happened at hour 120, but it only did the second as the energy kind of jumped northeast off Nantucket at 126. When I that 126 panel came in, I went from 12 to 6 pretty quickly.

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1 minute ago, WxUSAF said:

The most basic A/B discriminator is classically:

A:  gulf low that moves up the coast

B: OH/TN valley low that hops to the coast and moves NEward

 

I think maybe a better discriminator is:

A:  southern stream dominant.  Northern stream often phases in.

B: northern stream dominant.  Sometimes no southern stream involvement at all.

 

The precip pattern shown on the globals is 100% CLASSIC Miller B for this weekend.  It's clearly northern stream dominant, although there is some southern stream involvement.  

Yeah I get the definitions, I just don't think the labels add much from a pure analysis perspective.

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