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January Medium/Long Range Discussion


WinterWxLuvr
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26 minutes ago, WxUSAF said:

^precip pattern looks Miller B-ish?

Earlier panels have precip in the gulf coast. It’s a hybrid signal. There is a NS wave diving in and an STJ wave in the Gulf Coast. Members get to a big storm multiple ways. Some phase the two late off the mid Atlantic. Some of those still manage to get us with a 12z Gfs type solution. Some Miss though. Some get the NS out of the way first then bring the stj wave up. Some get the stj ahead and phase the NS in behind and some of those go nuts and cut like the storm last weekend. The non storm minority cluster have the NS dive in on top and crush everything. 

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19 minutes ago, losetoa6 said:

HH Eps with a positive shift for  the day 5/6 threat . NS further east out ahead and more emphasis on the stj sw energy in the gulf . Both the 18z Euro and control are stronger with the sw ejecting out of the sw at hour 90.

The trend so far this January has been for the NS to be modeled as faster when closing in range.. reel this one in!

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4 hours ago, Ji said:

Becoming a very frustrating winter for Northern va to the northeast

I can never tell if you’re being serious. Why are you so concerned about verbatim surface maps and timing of phases in the long range? You know things will change 500x between now and then. 

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1 hour ago, jayyy said:

I can never tell if you’re being serious. Why are you so concerned about verbatim surface maps and timing of phases in the long range? You know things will change 500x between now and then. 

He lives for the op runs and the digital snow they depict. 

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Between the energy coming in over the the top of the amplified ridge out west and the TPV sending lobes southward, the northern stream is a chaotic mess. This is a pattern that requires nearly perfect timing. The problem with Tues-Wed is we are in between vortex lobes as the ss wave approaches. So the coldest air has departed from the previous one and the next one is dropping down over the upper MW just as the southern wave is moving east underneath. There are 2 problems as depicted on the GFS- the flow is compressed in front of new trough dropping south which dampens the southern wave as it moves east, and we aren't very cold as we are 'in between' troughs. At this range guidance surely doesn't have the features and timing quite right, so we keep watching. I have no idea on the next one, other than it remains a window for something. The tendency overall in this (progressive) pattern is for low pressure to form offshore along the strong thermal boundary.

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14 hours ago, Kmlwx said:

I dunno - If I'm remembering correctly he described it as "dreadful" - but again might be remembering wrong. The day @Ji describes a 36" blizzard as "dreadful" we know we are all in trouble. 

He found it "dreadful" because one of Ben Franklin's models had predicted 48" a few days before...

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