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Mid/Late February will be rocking. (This year we mean it!) February long range discussion.


JenkinsJinkies
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2 hours ago, AtlanticWx said:

i guarantee you most people in here would be tired if we got 8 weeks of conditions like we had that one week in january. nobody is that much of a winter weenie lmao

Not even a place like Mammoth Lakes would be enough for me. I was so damn obsessed  with snow they thew a huge keg party when I left north VA in 2018. Not even 5000 inches of snow a winter would be enough for me. I am a TERMINAL snow obsession case with urgent intervention indicated.  I was like this when I was only five, lol.

Snow is like money and terrific sex. You can never get enough!!!

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The 12z GEFS looks cold for Feb 19-20, with a new signal to have a block in the Arctic Circle north of Alaska!

https://ibb.co/nL3YXtw

Now it's a matter of amplifying the STJ, because we have two perfect low positions in the 50/50 spot and south of the Gulf of Alaska. 

That High pressure north of Alaska though is called -EP/NH and has a strong tendency to be a cold pattern:

H5 https://ibb.co/m09t85m

US Surface Temps https://ibb.co/gwg8WWB

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12 minutes ago, brooklynwx99 said:

my guess is that you get a vigorous wave coming onshore around the 20th, the Aleutian low retrogrades, spiking the PNA, and that's how you get clobbered. everything is in place there, TPV is perfectly elongated

I would say we get something before then. The unretrograded N. Pacific low in the Gulf of Alaska is really a recipe for a monster, if everything times right. 

Look at how the Euro amped up this pre-Valentines wave. https://ibb.co/tLxxhB9

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39 minutes ago, brooklynwx99 said:

my guess is that you get a vigorous wave coming onshore around the 20th, the Aleutian low retrogrades, spiking the PNA, and that's how you get clobbered. everything is in place there, TPV is perfectly elongated

1708344000-NvPMMKgI5RU.webp.edb0ed5c986830c731b18cf53ca686f9.webp

Weeklies from today are maintaining that potent storm signal centered at the 23rd/24th. From what I can tell, that signal has been there in some form on the weeklies since it was 30 or so days out. 

ecmwf-weeklies-avg-namer-mslp_anom-8732800.thumb.png.6c0f23c36166d6762220ebdc0659912c.png

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10 minutes ago, Cobalt said:

Weeklies from today are maintaining that potent storm signal centered at the 23rd/24th. From what I can tell, that signal has been there in some form on the weeklies since it was 30 or so days out. 

ecmwf-weeklies-avg-namer-mslp_anom-8732800.thumb.png.6c0f23c36166d6762220ebdc0659912c.png

you can see the wave this far out, kinda nuts. trough amps up as the block rots

IMG_4579.thumb.gif.be32cc2c6ec79cf759099b3f869bb85a.gif

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GFS op is just a continuation of the seasons long theme….active with a number of systems to look at, but marginal to crappy temps. Even at the end of the run, there are 50s/60s in the middle of the country on the way to OBY. I get it….LR looks promising on ensembles. That doesn’t always translate, but hopefully it will this yr.

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I was not aware how dramatic the North America snow cover has declined. Pretty remarkable.    

Interesting post by @bluewave below. 

<

The record low snow cover may be part of the reason the surface temperatures days 11-15 will be significantly warmer than the 850mb temperatures. 
 

C6100126-DBE1-4244-BD41-E9CFC938CFF1.png.26f537b312eb62556d9d879e2aa54c83.png
6E660604-6694-43B7-9888-ED942A12D32F.thumb.png.a7bcca6a246c9c3e9f98006bd95c4faa.png

A438185B-6BCF-4F6F-B1F6-DE28A517C9A9.thumb.png.37b5f756e3bb1b89b4f2b1f447f1ab92.png

 

>

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I don’t know if you guys realize this but we just had a close miss. This could have been us if the omega block was displaced 500 miles west. (It was that weird clipper that dived from the NW and it was DOA when it got here, but it went nuclear as soon as it went neg tilt before Nova) At least we have another shot later this month

 

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