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The return of winter pattern disco


Damage In Tolland

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The reason we keep seeing all sort of weird solutions is because we have a very anomalous or "weird" setup. We can try and get the entire vortex underneath us (ala 00z Euro)...we can try and get an extension or "lobe" of it underneath us and closed off (GFS and Ukie and to a lesser extent the delayed Euro)...or we can just have most of it go north of us with maybe just a bit of vorticity trying to get south of us giving a light event...ala GGEM.

There's a bunch of different evolutions of this setup so we are going to see a lot of weird solutions...some will look amazing and others will look pretty boring. We just have to wait it out. We are too far out to say anything very conclusive about how this whole evolution will take place. Probably the only semi-confident thing (and emphasis on "semi") I would say is that the further north and east you are anywhere between CT and S Maine, the better probability of getting a large event.

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I would say the biggest problem we have is the positioning of the H5 low. Models are clearing going back and forth on their handling of this potent PV. Ridging out west would only support maybe a 37-41n latitude placement of the core of the H5 low. EURO op and ensemble mean might have some weight to it, got to see better PNA ridging to get this PV further south. 18z NAM looks good towards hour 84. Models see several northern stream shortwaves moving through the backside and underneath the PV as it moves southward. These shortwaves dig the trough enough so that the PV moves further south. The timing of these shortwaves and potential southern stream energy will have a major role on the track of the PV. I would wait another 72 hours before jumping on these solutions just yet. By Thursday 12z runs will have a better clue as well as enough lead time for watches to be issued if indeed this snowstorm materializes. Biggest fear is the 12z EURO op and Ensembles showing a further northward placed PV. This would delay the intensification of the surface low and where it gets captured.

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I would say the biggest problem we have is the positioning of the H5 low. Models are clearing going back and forth on their handling of this potent PV. Ridging out west would only support maybe a 37-41n latitude placement of the core of the H5 low. EURO op and ensemble mean might have some weight to it, got to see better PNA ridging to get this PV further south. 18z NAM looks good towards hour 84. Models see several northern stream shortwaves moving through the backside and underneath the PV as it moves southward. These shortwaves dig the trough enough so that the PV moves further south. The timing of these shortwaves and potential southern stream energy will have a major role on the track of the PV. I would wait another 72 hours before jumping on these solutions just yet. By Thursday 12z runs will have a better clue as well as enough lead time for watches to be issued if indeed this snowstorm materializes. Biggest fear is the 12z EURO op and Ensembles showing a further northward placed PV. This would delay the intensification of the surface low and where it gets captured.

Because I am a nerd ...can we please refer to them as SPV, because they clearly are not polar vortexes because they are in the sub-domain. PV is essentially the annular ring around the pole

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The reason we keep seeing all sort of weird solutions is because we have a very anomalous or "weird" setup. We can try and get the entire vortex underneath us (ala 00z Euro)...we can try and get an extension or "lobe" of it underneath us and closed off (GFS and Ukie and to a lesser extent the delayed Euro)...or we can just have most of it go north of us with maybe just a bit of vorticity trying to get south of us giving a light event...ala GGEM.

There's a bunch of different evolutions of this setup so we are going to see a lot of weird solutions...some will look amazing and others will look pretty boring. We just have to wait it out. We are too far out to say anything very conclusive about how this whole evolution will take place. Probably the only semi-confident thing (and emphasis on "semi") I would say is that the further north and east you are anywhere between CT and S Maine, the better probability of getting a large event.

Agree 100%. And I would add that I'm confident that people should have expectations in check.

24.7/12

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The reason we keep seeing all sort of weird solutions is because we have a very anomalous or "weird" setup. We can try and get the entire vortex underneath us (ala 00z Euro)...we can try and get an extension or "lobe" of it underneath us and closed off (GFS and Ukie and to a lesser extent the delayed Euro)...or we can just have most of it go north of us with maybe just a bit of vorticity trying to get south of us giving a light event...ala GGEM.

There's a bunch of different evolutions of this setup so we are going to see a lot of weird solutions...some will look amazing and others will look pretty boring. We just have to wait it out. We are too far out to say anything very conclusive about how this whole evolution will take place. Probably the only semi-confident thing (and emphasis on "semi") I would say is that the further north and east you are anywhere between CT and S Maine, the better probability of getting a large event.

12z ec might be the most straight forward evolution of the bunch. While it isn't as exciting as some of the other solutions...I think it offers the least chance of a screw job.

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12z ec might be the most straight forward evolution of the bunch. While it isn't as exciting as some of the other solutions...I think it offers the least chance of a screw job.

I know this will give Kev an aneurysm, but I'd rather nothing than 3" over 12 hours......just enough to make me clean the car off and then smother it in salt.

I'm probably in the minority on that, but....

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I know this will give Kev an aneurysm, but I'd rather nothing than 3" over 12 hours......just enough to make me clean the car off and then smother it in salt.

I'm probably in the minority on that, but....

That has to be one of the lamest reasons I've ever heard. I don't know that I've ever heard a good reason to not want snow but that one is just LAMO. Are you sure you were in the Marines?

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That has to be one of the lamest reasons I've ever heard. I don't know that I've ever heard a good reason to not want snow but that one is just LAMO. Are you sure you were in the Marines?

Yes, not sure why you are going there.

I don't care what you think of my rationale....it's fine that you don't share the same view.....I'm all set with nuisance snows.

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I know this will give Kev an aneurysm, but I'd rather nothing than 3" over 12 hours......just enough to make me clean the car off and then smother it in salt.

I'm probably in the minority on that, but....

well if its going to be cold, then id rather have some snow, nothing worse than whats out than cold and brown.

but if theres only going to be 3 inches, id rather it be warm.

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I think that would be most likely given the EURO outcome, but you know better than I.

Doesn't matter what anyone of us want, anyway.

It is what it is, Thats how i look at it, If it whiffs or hits, Does not matter to me, We will have more chances going forward......

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LOL, how about Co-Chairman along with Ginx and Jerry. I just want some easterner to tell me I have little to no chance of seeing accumulating snow then I can lock in a regionwide snowstorm.

Yes co chairs work, Have to stay optimistic, Pattern looks good going forward.....

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Well I don't necessarily think it has to equate to advisory snows.

I dont either...it looked for a frame or two there the Euro was going to give us a monster storm...but it kind of got interfered with...but doesn't mean that would happen again given a similar evolution.

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Yes, not sure why you are going there.

I don't care what you think of my rationale....it's fine that you don't share the same view.....I'm all set with nuisance snows.

My image of a Marine is a rugged can do type that is undaunted by hardship or discomfort. Sweeping a nice 3" refresher of the car seems like a fairly easy thing to do. I'm just needling you Ray don't get your dander up. It's just in my book there is no such thing as a nuisance snow. 3" or 3', it's all delicious to me. What would you rather have 3" of snow or HHH swamp azz weather? ENJOY!!

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