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The Feb 10-12 storm threat, real or imagined?


Ginx snewx

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With a lobe of the PV coming down and Gulf moisture trying to gather, you can see how explosive things could be after the 10th, but there are a lot of things that need to happen. It's gotta time things and dig just right. It's trying.

Yeah its like a loaded gun in Texas ready to shoot northeast if energy can dive down and meet up with it. There's also that area of the southeast coast that misses us on the 10th. But there is complete lack of run to run consistency on handling multiple features so its impossible to guess how this plays out. Even that Feb 9 threat is a disaster on the models with like 2-3 pieces of leftover energy from the Rex block.

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Yeah its like a loaded gun in Texas ready to shoot northeast if energy can dive down and meet up with it. There's also that area of the southeast coast that misses us on the 10th. But there is complete lack of run to run consistency on handling multiple features so its impossible to guess how this plays out. Even that Feb 9 threat is a disaster on the models with like 2-3 pieces of leftover energy from the Rex block.

And then look what happens. We lose the big ridge as the PAC jet knocks down the ridging after hr 144. If that ridge held, it might have dug enough to spawn a low near the MA or something. Just goes to show you how complicated it is. Although, now block forming up north, so lets see if it tries to send s/w's from nw to se.

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Yeah its like a loaded gun in Texas ready to shoot northeast if energy can dive down and meet up with it. There's also that area of the southeast coast that misses us on the 10th. But there is complete lack of run to run consistency on handling multiple features so its impossible to guess how this plays out. Even that Feb 9 threat is a disaster on the models with like 2-3 pieces of leftover energy from the Rex block.

I'm surprised with all the lack of run to run consistency, off all the model runs and all the different models (GFS, ECM, GGEM, etc) we haven't seen some bomb solutions. Sure some of them give some snow, but I'm surprised we haven't seen anything really blow up yet.

Usually in these volitile situations we usually see a few weenie runs with like 980 going over the Canal, mixed in with half of them going out to sea.

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And then look what happens. We lose the big ridge as the PAC jet knocks down the ridging after hr 144. If that ridge held, it might have dug enough to spawn a low near the MA or something. Just goes to show you how complicated it is. Although, now block forming up north, so lets see if it tries to send s/w's from nw to se.

Looks like the western ridge rebuilds pretty quickly although unsure of the magnitude.

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And then look what happens. We lose the big ridge as the PAC jet knocks down the ridging after hr 144. If that ridge held, it might have dug enough to spawn a low near the MA or something. Just goes to show you how complicated it is. Although, now block forming up north, so lets see if it tries to send s/w's from nw to se.

Yeah. Decent ridging up through Greenland, over the pole, and practically to NE Siberia. Another day and another completely different run though. The op runs are more useless than usual past d5 right now.
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I'm surprised with all the lack of run to run consistency, off all the model runs and all the different models (GFS, ECM, GGEM, etc) we haven't seen some bomb solutions. Sure some of them give some snow, but I'm surprised we haven't seen anything really blow up yet.

Usually in these volitile situations we usually see a few weenie runs with like 980 going over the Canal, mixed in with half of them going out to sea.

Well we've seen some of the ensemble members do it...but with like 4-5 moving pieces, its probably harder to get weenie runs than if you have a decent setup but only 1 or 2 moving pieces is a little off.

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The northern stream energy is just never gonna get it done RE: 10-12th even if the trough axis is positioned decently as it seems to be on the Euro. Unless we can get a decent southern stream system to come up and phase/partially phase ...I see little hope short of that. Otherwise it's a clipper for Vim Toot and an arctic front windex event for the rest.

The 8-9th is a mess of competing short waves...where have I seen this before... Maybe we can lock in a general 1 to 4 inch event. LOL I'll take the 2 inches the Euro throws me ..then the February 9th sun will take it away from me in a few hours time.

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I'm just not seeing the northern stream energy diving south enough on most models runs over the last day. It's a nice PV and sharp trough (at a favorable longitude), but general theme seems to be it doesn't extend far enough south.

Yeah its like a loaded gun in Texas ready to shoot northeast if energy can dive down and meet up with it. There's also that area of the southeast coast that misses us on the 10th. But there is complete lack of run to run consistency on handling multiple features so its impossible to guess how this plays out. Even that Feb 9 threat is a disaster on the models with like 2-3 pieces of leftover energy from the Rex block.

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GFS is weird in that it has 2 shortwaves that both produce light snow...one on Feb 8 and then again on Feb 9...neither all that much, but maybe 1-3" between them...unlikely it pas out like that as one s/w will probably be more dominant.

The Feb 11 threat is definitely there as it scrapes us with another light event, but not far from being a bigger deal.

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GFS is weird in that it has 2 shortwaves that both produce light snow...one on Feb 8 and then again on Feb 9...neither all that much, but maybe 1-3" between them...unlikely it pas out like that as one s/w will probably be more dominant.

The Feb 11 threat is definitely there as it scrapes us with another light event, but not far from being a bigger deal.

such a strong signal, PV orientation and all. Getting closer to the time when things become more believable and clearer. Next week should be a fun week.

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18z gfs... the Feb 10-12 threat is not going away...

plenty of time to sort out

i) which piece of energy to focus on

ii) to see more interaction of northern and southern stream shortwaves to decide if we get a mecs vs. fropa-embedded energy...

but the larger synoptic ingredients are there for a decent east coast snowstorm

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