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3/17-3/18 Storm Threat Discussion


Zelocita Weather

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looks like the models are beginning to come to a more reasonable accurate solution here - GFS moved towards a wetter/whiter further north solution and the GGEM moved to a more reasonable solution - looks like a moderate event at least IMO - Euro should be interesting and also move in a more favorable direction - the PV placement is critical

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  On 3/13/2014 at 5:07 PM, DiehardFF said:

.8"QPF for NYC. .9" QPF for TTN. Solid.

Fluctuations on the PV will decide as much as anything what impacts we see up here. There could be a great moisture plume but if the PV becomes another Hulk like on March 3, it could shred and crush it all south. Vice versa, if it lifts north a little we would see both parts of the storm and a huge hit.

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  On 3/13/2014 at 5:10 PM, jm1220 said:

Fluctuations on the PV will decide as much as anything what impacts we see up here. There could be a great moisture plume but if the PV becomes another Hulk like on March 3, it could shred and crush it all south. Vice versa, if it lifts north a little we would see both parts of the storm and a huge hit.

I like that we're 3-4 days out and not 6-7 and models seem to be trending towards snow not away from it. If the euro gets on board we'll have decent consensus

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  On 3/13/2014 at 5:14 PM, REDMK6GLI said:

1" QPF IMO is more like a SECS and not a HECS like yesterday and last nights GGEM runs.

I'll be really happy with 6" at this point, that's way better than almost nothing like we've seen over nearly a month. Like Don's data says, the frequency of 10"+ snowfall are very rare beyond March 15th. 

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  On 3/13/2014 at 5:14 PM, REDMK6GLI said:

1" QPF IMO is more like a SECS and not a HECS like yesterday and last nights GGEM runs.

Yea secs is more realisit but for this time of year 1" of frozen would be pretty epic. However if this pans out i think there will be a lot of moisture to work with and getting into nam range will be interesting

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  On 3/13/2014 at 5:24 PM, YanksFan27 said:

WxBell maps show 2-4" for LHV and far NW areas. 6-9" on a line from TTN to Sandy Hook and the south shore of LI. 10"+ south of I-78 and points SW including Philly, DC, Baltimore and Atlantic City. (12z GGEM)

Sounds like big steps towards the gfs model.

Not much for the interior.

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I think the main point here is, factoring in the latest model runs, there is a greater chance of a storm than no storm. However, who gets the snow and how much they get is really all up in the air. I am sure that almost all media outlets will be very reluctant to pull the trigger this time given the turn of events at the last minute recently and also because snowstorms over 6" are very rare for our area as we get into mid march and later

Sent from my iPhone using Tapatalk

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  On 3/13/2014 at 5:40 PM, earthlight said:

Canadian ensembles are north with tons of precipitation. 1"+ liquid for anybody NYC southward. 

 

How does 500mb look overall, especially with the trailing wave in the south? Does it look like it comes N or do we get most of the moisture from the initial slug? 

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  On 3/13/2014 at 5:37 PM, cjr231 said:

Lmao. Yes, the GGEM is caving to the GFS. :axe:

 

They are converging in the middle as many here predicted. (leaning more towards GGEM in actuality)

Anyone who doesn't see that the GFS caved 90% to the GGEM needs to have his head examined. The GGEM moved a bit south, the GFS went from essentially a sheared out nothing storm to something very close to delivering a significant storm to the whole area. The ensembles for the GFS also went hugely north.

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