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Models Have Us On Northern Edge Of Snow 3/4/16


bluewave

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Guest Pamela

So you have the Canadien, the Navy, & probably the NAM...which is better than nothing...I guess...though those would likely not be my top 3 models of choice...though I would take them over...hmm...*ponders*

 

Its getting late though...the Canadien had snow in the area by about 11:00 PM Thursday night.

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Guest Pamela

You don't have the NAM.

 

I beg to differ.  You have an intensifying ENE bound cyclone over the coal fields of Kentucky and an expanding precipitation shield on NYC's doorstep with a nice concave anticyclone perched over Eastern Canada at Hour 84...

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Guest Pamela

Look at the 500mb. Positively tilted trough and a weakening shortwave.

 

OK I will...as I've been occupied today and just took a cursory look at the surface charts ten minutes ago and have not looked at the upper air stuff...

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Guest Pamela

OK I will...as I've been occupied today and just took a cursory look at the surface charts ten minutes ago and have not looked at the upper air stuff...

 

I went through the 18z animation hours 72 to 84 and though it looks rather positive oriented at Hour 72 by Hour 84 it looks likes its gone neutral...which is a movement in the proper direction if we are to see a good snow event...

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I went through the 18z animation hours 72 to 84 and though it looks rather positive oriented at Hour 72 by Hour 84 it looks likes its gone neutral...which is a movement in the proper direction if we are to see a good snow event...

We are either going to get hit with thw northern stream energy or the coastal.

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Guest Pamela

 a weakening shortwave.

 

 

These things *always* struggle as they approach the Appalachians...what we call "fill" (indicative of a rise in barometric pressure in the primary low)...often leading to redevelopment from Hatteras to ACY.

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These things *always* struggle as they approach the Appalachians...what we call "fill" (indicative of a rise in barometric pressure in the primary low)...often leading to redevelopment from Hatteras to ACY.

The first system comes through into the TENNESSEE Valley then redevelops on then OBX

You can see at 72 hours how far North on the EPS the individuals are compared to its 0z run at 84.

All the guidance today showed weaker confluence in SE Canada The fact that their is no blocking should allow that vortex to release .

You have a good ridge axis that extends through Boise and that argues for heights falls on the EC and lastly you have an ever present WAR that has been undermodeled at 120 hours all year.

Now look at the indies at 96 at OBX is further W than at 0Z at 108 you can see the push W.

We will know in another 24 hours if that trend continues.

The key is the confluence.

Nothing is set in stone

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I forgot who said it but someone once mentioned on this forum said they remembered the NOGAPS was unstoppable in the 97-98 winter. The belief was that strong El Niño somehow counteracted its usual progressive bias. It's been surprisingly good this winter too on major systems

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NAVGEM is only 8-12" for most here... Southern jersey and Deleware get pounded

only? It clearly depicts a windy blown snowstorm resulting blizzard light conditions even for where you are, obviously the closer to the coast the more snow and heavier rates and winds. Plenty of runs left and far from the final solution but navgem 18z clearly shows a blizzard for NYC9088cc685e95ce3d0d9cec5932e5db83.jpg
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only? It clearly depicts a windy blown snowstorm resulting blizzard light conditions even for where you are, obviously the closer to the coast the more snow and heavier rates and winds. Plenty of runs left and far from the final solution but navgem 18z clearly shows a blizzard for NYC9088cc685e95ce3d0d9cec5932e5db83.jpg

Huh!!!!!???? Your calling "blizzard conditions" based off a precip depiction map with isobars...

The NAVGEM is 3-5" for me and NOT BLIZZARD conditions... 3 sustained hours of blizzard criteria? Not even close

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Guest Pamela

Huh!!!!!???? Your calling "blizzard conditions" based off a precip depiction map with isobars...

The NAVGEM is 3-5" for me and NOT BLIZZARD conditions... 3 sustained hours of blizzard criteria? Not even close

 

Might have to go against you here Orange...987 mb Low east of the Delmarva with heavy snow falling...hard *not* to have blizzard conditions given those circumstances...

 

Edit:  Re-read the original post...he was referring to up the Hudson Valley...not the coast...so you are right.

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I'm sorry guys, but with the how the ridge is modeled on the euro and camp, I can't take the GGEM/NAVGEM combo serious.... I would give it credence if the other guidance was making better "shifts" but 25 miles a day north is not gonna do it, we need the ukie, JMA, euro, eps, most gefs, and the GFS to all be under modeling the WAR, and make dramatic shifts over the next few days.. Impossible? No, but if I'm hoping for a storm.. Those aren't the modeles I wanna have to rely on to play "catch-up"

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There is a decent low in Pittsburgh as well with perfect high placement, might not be a blizzard, but the nam depiction has 3-6" written all over it

Agree. Decent run. Low is in a good spot. It should transfer further north than what it shows.

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