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Model discussion thread


ORH_wxman

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12z gfs drops Monday qpf for AUG by an inch - to about 1.75".  However, it shows a cold rain, on north winds, from a storm center tracking Montauk-Cape Cod-HUL.  I could understand that happening on Halloween or Patriot's Day, but it's the bottom of winter.  Shows once again how little I know about how weather works.  ;)

whats curious to me is exactly what you describe, all that cold getting scoured out happens but with North winds, ah somethings amiss

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Hate to bring up 1888 again but there are similarities.  Need the trough to dig a little more SE and H5 to close off a little sooner.  Not out of the question.  Look how the trough is digging on today guidance compared to the guidance from a couple of days ago.  Now, this is still needle threading because my scenario can still easily turn out to be a EURO like rainy solution.  I am intrigued by this one!

Well neg tilt isn't weird, but being as far west as the Euro is...it's much further west with the whole phase than the others.

 

Even th eGGEM is a neg tilt...it's just too late to give us anything.

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Hate to bring up 1888 again but there are similarities. Need the trough to dig a little more SE and H5 to close off a little sooner. Not out of the question. Look how the trough is digging on today guidance compared to the guidance from a couple of days ago. Now, this is still needle threading because my scenario can still easily turn out to be a EURO like rainy solution. I am intrigued by this one!

1888? Are you high?

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Hate to bring up 1888 again but there are similarities.  Need the trough to dig a little more SE and H5 to close off a little sooner.  Not out of the question.  Look how the trough is digging on today guidance compared to the guidance from a couple of days ago.  Now, this is still needle threading because my scenario can still easily turn out to be a EURO like rainy solution.  I am intrigued by this one!

 

We don't have nearly the cold air right on the opposite side of the front as a storm like 1888 did...so the comparison dies there. I mean, you'd have to have this thing another 500 miles southeast to start thinking about a cold blizzard on the west side of this...get that airmass over central/eastern Ontario into the system.

 

Lets just say I'm not holding my breath.

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Looks like the Euro 12z Ensembles take the monday system over the cape into the GOM, Can't see individuals but its east of the OP run

Splitting hairs but definitely some spread west which isn't what I wanted to see... Mean to me looked over BOS.

I'll check the individuals in a few minutes.

The problem is without it going negative early or any closed mid-level lows to back the winds easterly earlier, the snow potential is pretty low except due NNW of the surface low. The best forcing goes north of the low, and doesn't really wrap west into the cold dome. It won't matter if it tracks east of you if the mid levels don't develop quicker.

So regardless of where it tracks, the snow potential seems small, but if we could just avoid rain I'll take that as a win.

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Clipper looks decent on the ensemble mean. Tons of spread though.

Unfortunately it's a week out...many of the potential clippers and systems have looked decent this year a week out.  By the weekend this should start looking less and less decent if we are to follow the normal progression of the modeling so far this season.  

 

BUT, perhaps this time around, we break out of this horrid cycle and things progress in a positive way.....maybe????  Would be nice to see.  Hoping so.

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Splitting hairs but definitely some spread west which isn't what I wanted to see... Mean to me looked over BOS.

I'll check the individuals in a few minutes.

The problem is without it going negative early or any closed mid-level lows to back the winds easterly earlier, the snow potential is pretty low except due NNW of the surface low. The best forcing goes north of the low, and doesn't really wrap west into the cold dome. It won't matter if it tracks east of you if the mid levels don't develop quicker.

So regardless of where it tracks, the snow potential seems small, but if we could just avoid rain I'll take that as a win.

 

Still a ways out so i'm sure this changes more as we get closer for better or worse

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It's still a very meager looking system, but the bar should be low on that clipper anyways.  We continue with an east based look on the ensemble regarding -NAO after. People have to remember anything of any significance is AFTER the clipper. 

 

Eh, I'd rather it be west myself

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It's still a very meager looking system, but the bar should be low on that clipper anyways.  We continue with an east based look on the ensemble regarding -NAO after. People have to remember anything of any significance is AFTER the clipper. 

 

 

Yeah the clipper is the first attempt to get anything, but still not a great chance. But it's plausible. It's got an uphill climb though.

 

The look we've been semi-excited about is really the 1/23 and beyond period. Ensembles also look like they try and cook something up around 1/26-1/27.

 

 

I'm not even thinking about anything outside the northern hills/mountains for MLK day.

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Yeah the clipper is the first attempt to get anything, but still not a great chance. But it's plausible. It's got an uphill climb though.

 

The look we've been semi-excited about is really the 1/23 and beyond period. Ensembles also look like they try and cook something up around 1/26-1/27.

 

 

I'm not even thinking about anything outside the northern hills/mountains for MLK day.

 

Yeah I'm not sure why the wrist slitting over MLK. Forget it. That's a good look going forward with good model agreement like Snowgoose said. Is it Jan 2011, probably not..but I'll take it.

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