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February 13-14th Potential Winter Storm Threat Discussion


Zir0b

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DT is 100% wrong about later this week. Potential is certainly there and now with plenty of support. When a model is locked in like this with all other models clearly playing catch up gotta pay attention. After all, same scenario just played out with the euro last week.

. Maybe DT will be wrong but no one can say with 100% certainty right now that NYC is getting a snowstorm wednesday into thursday
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They have all seem to wana come up this yr. some snow, some change but it hasn't been a yr of shunts and it's not like there's and arctic air mass in front of it , and it's confluence will lean on it. So I like it somewhat. Don't knw what precip type. Don't like being in GFS sights 5 straight days.

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Bold statement with the GFS and Euro Ens...

I've been following DT's forecasts since the early 2000's in the ne.wx days... whenever he says no snow north of the mid atlantic, I usually take that as an omen that it IS coming north. Not to mention if you want to know DT's thoughts on a storm, just look at the Euro. It's the only model he uses to base his forecasts.

 

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Have some rest guys. I'm not tracking this. I'll check but I spent 24 hours tracking the last storm. I'll track this on tuesday lol

 

*EDIT* I really do hope DT is right, and the mid atlantic can cash in on this storm, even though it doesn't look ideal. Don't quote me on this but the Feb 17-25 period is looking like nice, even more-so then this storm coming up. I think we all cash in during that period

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Could b a move towards the euro op. or it's just a little bias Which is fine cause if it's gona correct north and west over the next three days let it have some roon to do so. Euro ensembles been hot hand all yr. if that says no. Then I will think that's the progg. Not yet

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I think there's room for correction NW given the synoptics and here's why.

PV positioned in NW Canada w/ extension of lower heights down the west side of Hudson's Bay. We don't have a PV or low heights along the Eastern shore of Hudson's Bay or to its east, which is a very positive sign as that is a major suppression indicator. The trough tendency in central Canada means there's room for height rises in SE Canada and the Northeast. The 50-50 low holds the cold and the sern vort potency in itself should be enough to pump heights to its east. I can easily see this trending to a widespread DCA-NYC SECS at least. Maybe not BOS, but who cares about them right now.

aczxie.png

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...WITH THE GFS BRINGING

THE SYSTEM MUCH CLOSER BY THURS MORNING...WHILE THE ECMWF TREKS IT

FURTHER OFFSHORE. ECMWF HAS NOT BEEN STEERING US WRONG LATELY...SO

WILL SIDE MORE WITH A ECMWF SOLUTION AT THIS TIME

 

Very reasonable approach by Upton

 

For right now absolutley the right call, the EURO has been king with this last storm, so for now it has regained it's seat as number one, but the GFS might be trying to get it back.

-skisheep

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For right now absolutley the right call, the EURO has been king with this last storm, so for now it has regained it's seat as number one, but the GFS might be trying to get it back.

-skisheep

 

 

 

Horrible strategy. "Horse number 7 won the last race so let's bet 100 grand on him for next week's race."

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Horrible strategy. "Horse number 7 won the last race so let's bet 100 grand on him for next week's race."

 

not a fair analogy.  the euro didn't score some sort of coup or one-off win.  no model is perfect, but once again the euro did what we have seen it do a million times before.  how many times must the euro do this before we decide it is the model of choice in that timeframe?  it doesn't mean ignore the others.  but why not lean towards the most reliable one?

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not a fair analogy.  the euro didn't score some sort of coup or one-off win.  no model is perfect, but once again the euro did what we have seen it do a million times before.  how many times must the euro do this before we decide it is the model of choice in that timeframe?  it doesn't mean ignore the others.  but why not lean towards the most reliable one?

 

 

While I agree that the ECMWF has the best verification scores (that is a fact) in the medium range, it's not like it's world's better than the GFS either. Certainly not a large enough difference to discount its solution. So at this point I think the most prudent path is a GFS/Euro compromise which would mean a Mid atlantic hit. However, we're still at D4-5 so changes can occur even on the almighty Euro. Some of the Euro ensembles looked more like the 12z GFS actually.

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not a fair analogy. the euro didn't score some sort of coup or one-off win. no model is perfect, but once again the euro did what we have seen it do a million times before. how many times must the euro do this before we decide it is the model of choice in that timeframe? it doesn't mean ignore the others. but why not lean towards the most reliable one?

The ECM Ens are well inside the operational run, which is a red flag for a more western solution although the GFS has trended east. The ECM was a bit too far west for last night's storm, in any case. This event still has a lot of time to change for better or worse.

The pattern looks ripe for an even larger storm around President's Day. That one could lead to this being an historic February.

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While I agree that the ECMWF has the best verification scores (that is a fact) in the medium range, it's not like it's world's better than the GFS either. Certainly not a large enough difference to discount its solution. So at this point I think the most prudent path is a GFS/Euro compromise which would mean a Mid atlantic hit. However, we're still at D4-5 so changes can occur even on the almighty Euro. Some of the Euro ensembles looked more like the 12z GFS actually.

 

Looking at the ensembles is certainly fair.  Believe me after 29 inches i am not doubting the possibility of a snowstorm, especially in an improved pattern.  (not hard to improve on the outgoing pattern, we just got super lucky)  I just don't blame them for leaning euro 3-6 days out on anything.  I do love the next 2 weeks though for something additional.

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The ECM Ens are well inside the operational run, which is a red flag for a more western solution although the GFS has trended east. The ECM was a bit too far west for last night's storm, in any case. This event still has a lot of time to change for better or worse.

The pattern looks ripe for an even larger storm around President's Day. That one could lead to this being an historic February.

We aren't leaving February without another major or historic snow.

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Horrible strategy. "Horse number 7 won the last race so let's bet 100 grand on him for next week's race."

The GFS has bit on alot of systems and lost them 3-4 days out, the EURO has been more consistent. If the GFS has this tomorrow at 0z we can start looking at it more seriously, before then riding the EURO

-skisheep

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This is not true, though. The Euro and GFS have "caved" to each other, if you want to put it that way. Momentum is still with the SECS solution until we see how the euro trends later.

True, caved is too strong a word to use. It backed off the solution it had earlier though, tried to meet the EURO in the middle. Next 2 days will be important with this system, still think advisory snow is a decent possibility.

 

 

-skisheep

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