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Damage In Tolland

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not concerned by 18z GFS...

- ridging actually better out west (vs. 12z)

- issue 1: lead shortwave energy scoots out off NC further east and spoils downstream ridging keeping flow just a touch more progressive

- issue 2: followup shortwave energy does not dig as much as in 12z (compare 18z 3/25 timepoint: 18z has energy north/central NC, 12z has energy into SC)... this followup shortwave energy is less able to capture the lead wave

This may be closer to reality, maybe not. But these subtle nuances make a huge difference and probably can't be sorted out this far out.

Issue 1/2 obvious here:

18z

attachicon.gif03_22_18z_GFS.png

12z (also notice followup shortwave digging into SC)

attachicon.gif03_22_12z_GFS.png

The large scale features (ridging out west, placement of Hudson Bay ULL) are just fine on this 18z run. But these subtle nuances of how the pieces of energy interact probably won't be sorted out this far out. Going forward we watch for signs of a dissociated lead low (dumb-bell or elongated SLPs as seen on some earlier guidance?), but clearly too subtle nuances to say anything definitively.

Nice post.

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not concerned by 18z GFS...

- ridging actually better out west (vs. 12z)

- issue 1: lead shortwave energy scoots out off NC further east and spoils downstream ridging keeping flow just a touch more progressive

- issue 2: followup shortwave energy does not dig as much as in 12z (compare 18z 3/25 timepoint: 18z has energy north/central NC, 12z has energy into SC)... this followup shortwave energy is less able to capture the lead wave

This may be closer to reality, maybe not. But these subtle nuances make a huge difference and probably can't be sorted out this far out.

Issue 1/2 obvious here:

18z

03_22_18z_GFS.png

12z (also notice followup shortwave digging into SC)

03_22_12z_GFS.png

The large scale features (ridging out west, placement of Hudson Bay ULL) are just fine on this 18z run. But these subtle nuances of how the pieces of energy interact probably won't be sorted out this far out. Going forward we watch for signs of a dissociated lead low (dumb-bell or elongated SLPs as seen on some earlier guidance?), but clearly too subtle nuances to say anything definitively.

Thank you for putting into words and pictures the thoughts I knew I had but didn't know what they were.

The run looked fine to me from the standpoint that it all looks a little ridiculous.

Point being, small nuances can become blown up by really powerful storms. It's not that the nuances or their compounded effects aren't real...they just aren't determinable this far out.

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if this thing ends up being se of bm it will be an epic coup for gfs and euro both. i dont expect much back this way anyways be nice to have a cloudy cold windy day wed, maybe one last cold day to cook some comfort food classics

And the establishment they would be overthrowing would be...the ukmet? Or just weenies' hopes in general?

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not concerned by 18z GFS...

- ridging actually better out west (vs. 12z)

- issue 1: lead shortwave energy scoots out off NC further east and spoils downstream ridging keeping flow just a touch more progressive

- issue 2: followup shortwave energy does not dig as much as in 12z (compare 18z 3/25 timepoint: 18z has energy north/central NC, 12z has energy into SC)... this followup shortwave energy is less able to capture the lead wave

 

And looking more closely, that lead shortwave energy at 3/25 18z that delays phasing and screws up the solution on the 18z GFS is not present on the 12z Euro, nor the 12z / 6z / 0z GFS. Maybe 18z GFS is on to something with this detail, but I'm skeptical for now.

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The chances of a storm this large as modeled here.....slim. I will still take the under on this being a historic snow IMBY. But that doesn't mean it can't happen.

 

No offense but I'll be pulling for you to have mixing at the coast.  lol

 

It was right at this time frame the Euro started the NW move for the 3/12 storm so tonight and 12z tomorrow is what I'll be using to gauge how much of my life I'll be committing to model watching monday and tuesday.

 

If it looks like cirrus bongs here on tomorrows 12z Euro I'll be hoping for a flip into full spring mode.

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No offense but I'll be pulling for you to have mixing at the coast.  lol

 

It was right at this time frame the Euro started the NW move for the 3/12 storm so tonight and 12z tomorrow is what I'll be using to gauge how much of my life I'll be committing to model watching monday and tuesday.

 

If it looks like cirrus bongs here on tomorrows 12z Euro I'll be hoping for a flip into full spring mode.

 

Yeah, If the cape mixes, That usually bodes well here as well................lol

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Spring sports for CT high schools start on Monday and colleges/universities are already underway. I love a good blizzard but that will raise hell with a lot of schedules. I have to believe much of the general public won't believe this until they see it.

My college canceled all outdoor games this past week. This happens every year it seems. They only get a handful of games in in the first few weeks, then have games pretty much everyday for the final three weeks of school

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I really think this is going to be SNE special and also a East MA special. The strenth and position of this storm currently modeled I really believe will be the final outcome. I also agree that the shape of the storm will create a gradient pattenrn simmilar to Jan 21 of this yeear. MBY SNH will see nothing except high clouds. This is what our local forcast is showing. I really think that this is ok since theses areas absolutely deserve this and and I hope they get burried. This late in March amazing and just shows you how special this winter is.

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