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February 13/14 VD Storm discussion


Bostonseminole

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Funny this is so much like the first storm after the pattern change.  Euro was slowest, slowly caught up.  American models did go overboard for a few runs, ended up being a scraper.

 

We'll see, no PV this time so there's more room.

 

 

What it really boils down to is that one takes risk if they depend, or become over reliant on one modeling source, if/when they are basing that on past performance. 

 

There is some of that - obviously, over the long haul the Euro is the most trust-worthy guidance available.  That said, it does from time to time error.   The flip side of the same token, the NAM is not ALWAYS wrong.   

 

Of course, this has not verified just yet ... just sayin'

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You always respect southern streams systems' ability to come north...at the same token, this is not a blocky pattern...it wasn't for the HECS (but we lucked out anyway) and still isn't.

 

Definite shot for this one to come more north, but when you have a non-blocky pattern with a kicker, small nuances can easily shoot the storm well south and east. We'll hope this southern stream is juicey enough to to overcome some of the other deficiencies.

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We'll see.  Not sure what to think at this point.  I'd still play it safe as the northern stream kicker may still push this thing offshore.  Still not a great look imo. 

 

 

Still 60 hours out and this isn't a major storm...no need to go crazy issuing amounts yet anyway. I'd tell people we have a shot at some snow, but this could easily miss as well...best shots for plowable south and east and check back in tonight or tomorrow morning for another update.

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Still 60 hours out and this isn't a major storm...no need to go crazy issuing amounts yet anyway. I'd tell people we have a shot at some snow, but this could easily miss as well...best shots for plowable south and east and check back in tonight or tomorrow morning for another update.

If things went right it could be a 5-9 inch type storm. Not major but a good hit
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Still 60 hours out and this isn't a major storm...no need to go crazy issuing amounts yet anyway. I'd tell people we have a shot at some snow, but this could easily miss as well...best shots for plowable south and east and check back in tonight or tomorrow morning for another update.

 

Yep.  if history is a guide some of the NCEP stuff either will shortly or already has come in a little bit overamped....and the euro is too flat and will adjust.  The middle ground is still NBD. 

 

No need to go nuts at this point, wait and see.

 

I do think the Euro being flattest with #1 has an effect on the follow up systems too, or is related to it anyway.

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looking at 500mb, i wonder how significant the differences in handling that little spoke of energy (over s. end) or just south of james bay is wrt to the storm track .  

 

Euro has that spoke of energy/vort moving SE from N lake superior . ( S of james bay by like 200+ miles and sharper),   while nam  has it north and weaker/flatter.  (this energy is well NE of the "kicker" sw) but was wondering if the euro allowing this energy to suppress storm slightly. GFs looks more nam like w this feature as well

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