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Jan Medium/Long Range Disco 2: Total Obliteration is Coming


Jebman
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49 minutes ago, stormtracker said:

hmm, h5 on Euro is totally different than 0z so far

Because, they are show every possible outcome 

I think I’m beginning to understand that models are for fun but not forecasting. This can help alleviate some of my angst and poor interactions at times.

When it shows snow and 28 at noon today for Tuesday and then shows rain and 60 at 18z then Neither was a Prediction of an actual high percentage outcome but rather an example of “if a,b,c, d” then such an outcome will follow and 6 hours later show “e,f,g,h” and just keep rotating every 6 hours.

im happy to finally get this through my thick head and perhaps I can just sit back and enjoy the myriad of examples that will be forthcoming. 

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8 minutes ago, CAPE said:

Miller A incoming on the EPS for the 16th

1705406400-n7HncNaqTYA.png

This was the depiction for the early Jan event about 4/5?days before we got rain and 50. I hit really excited about an A but turned out further north and west, stronger with excellent cold air scooting out in 24 hours and thus temps over 20 degrees warmer. 

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Just now, WEATHER53 said:

This was the depiction for the early Jan event about 4/5?days before we got rain and 50. I hit really excited about an A but turned out further north and west, stronger with excellent cold air scooting out in 24 hours and thus temps over 30 degrees warmer. 

Different setup. Legit cold air pressing SE, and in place. An overamped wave could still mess it up some for the lowlands.

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Where is WW?
Snow maps haven't looked this good on a mean for awhile.

Maybe he’s trying reverse psychology where he doesn’t post every single snow map and it comes to fruition. Hell, weather53 just had their come to jeebus moment above regarding models showing outcome possibilities and not being a forecast in their own right. Ya never know


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I guess we are chipping away at the PDO. I was never a believer in PDO being a leading indicator, but this Winter sure has made a case. I think we are up to -0.6 and still having a tendency to rise, so maybe a more organized +PNA can get going here in the next few weeks. It's also amazing how these El Nino constants hold (warm Dec, good 2nd half of Winter). Let's see if the +PNA can hold through February, because we are coming off the most powerful 6-year constant on record (-PNA) for February ('18-23)

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16 minutes ago, WEATHER53 said:

This was the depiction for the early Jan event about 4/5?days before we got rain and 50. I hit really excited about an A but turned out further north and west, stronger with excellent cold air scooting out in 24 hours and thus temps over 20 degrees warmer. 

Yea but that event had no "real" cold air locked in and it just vanished as the high way up north quickly left this is a different scene now.

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47 minutes ago, brooklynwx99 said:

jesus christ. the 20th is seriously legit. you have every single synoptic piece here:

  • decaying WB -NAO
  • Arctic antecedent airmass
  • huge 50/50 ULL
  • transient PNA spike from the diving GoAk LP
  • amplifying vort upstream

ecmwf-deterministic-namer-z500_anom-5622400.thumb.png.81d89583f2089966e9d896c989563916.png

 

But....do we/will we get a stj wave moving across which is the final piece?

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1 minute ago, Ralph Wiggum said:

But....do we/will we get a stj wave moving across which is the final piece?

there are hints that there could be a vort traversing the southern US. I think this would be northern stream driven overall, but that can absolutely change. better to focus on the overall pattern right now, which is about as good as can be

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