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2/12 Winter Storm


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46 minutes ago, Stevo6899 said:

Could this finally be the first storm for what seems like forever that doesn't trend southeast and weaker...

There's going to be hard limit on the NW extent of this storm, given the overall flat/progressive pattern aloft.

That said, the impressive baroclinic zone in place will support some nice frontogenesis banding in the cold sector. Feb. 2007 and Dec. 2000 might be good analogs...

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56 minutes ago, Stevo6899 said:

Could this finally be the first storm for what seems like forever that doesn't trend southeast and 

Hopefully won't fall apart like snowstorm in Minnesota did for today

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14 minutes ago, Powerball said:

There's going to be hard limit on the NW extent of this storm, given the overall flat/progressive pattern aloft.

That said, the impressive baroclinic zone in place will support some nice frontogenesis banding in the cold sector. Feb. 2007 and Dec. 2000 might be good analogs...

Yes and I hope I'm in it. As I posted before those of us that are north of I70 this setup is going to be feast or famine. Of course the last couple of runs have been wagons north so this thread will have 100 pages by tomorrow lol

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27 minutes ago, Powerball said:

There's going to be hard limit on the NW extent of this storm, given the overall flat/progressive pattern aloft.

That said, the impressive baroclinic zone in place will support some nice frontogenesis banding in the cold sector. Feb. 2007 and Dec. 2000 might be good analogs...

Yeah that's probably one good thing about this pattern that we've been in is we haven't had to worry about storms going to our West. We just gotta ride that thin line all the time. It just bugs me to see these systems be so meager in the midwest but as soon as they get to the coast they develop and it's an automatic 6 for boston lol.

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Unlike the previous patterns, this is a Texas low pattern which is our favored pattern for the region. We aren't dealing with suppression either. It's not NW flow moisture starved unphased systems either. This pattern has the potential to be pretty good starting with this storm.

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Hasn't just about every storm this season trended SE this season about 3-5 days out.  I feel like the TPV will push the pattern slightly SE, albeit not to the extent as the previous storms.  

Not that I'm pulling for my backyard, it's just hard to ignore seasonal trends.  

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This is a top of the line look overall, with a lot of boxes checked.

There's a lot going on here, which is why I mentioned in the medium/long range thread that this is one of the most complex large scale patterns that we've seen in quite a while.

  • The typical Hudson TPV is displaced to the southwest, with a consistent 50/50 low around the Labrador Sea. We have not seen this placement of the TPV much over the past several years.
  • Notice all of the significant ridging up near the pole, which is a product of a split of the SPV. It's not always that we see SPV effects translate immediately, but in this case we are.
  • Also notice the positive height anomalies present in the East/Southeast, a product of a Southeast ridge. This is representative of the MJO, which has been translating through high correlation warm/East ridge favored phases.
  • Heading into this pattern, we once again had a -EPO/Alaska ridge, which once again helped to re-charge Canada cross polar flow cold.

ecmwf-ensemble-avg-namer-z500_anom-9383200.thumb.png.d017da17da53925a5f31da52f038b2e0.png

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Bullseye on 12z for metro detroit. Obviously you're always leery of a Northwest shift and we still got a system today and another one to go through so likely some changes to come. Lansing to chicago is a good place to be imo as it leaves wiggle room for some more strenghtneing.

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3 minutes ago, Chicago Storm said:

This is a top of the line look overall, with a lot of boxes checked.

There's a lot going on here, which is why I mentioned in the medium/long range thread that this is one of the most complex large scale patterns that we've seen in quite a while.

 

Does this kinda pattern lean towards storms strenghtneing more than models think, thus nw trends instead of weaker/se like we've seen for awhile?...

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The super amped & nw ICON is an outlier this morning.  The GFS, Euro, and UK are farther southeast, but still solid.  The Canadian is way southeast and weak.
Solid agreement in the 12z ensemble data overall (10:1 total and 24-hour snow swath as a proxy), particularly the EPS, GEFS, and UKMET ensembles (MOGREPS-G), which is good to see at this juncture. The CMCE is farther southeast but has enough more amped members to not be too crazy far off from the other ensemble systems.

Sent from my Pixel 9 Pro using Tapatalk


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