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March 13 - 15 Major Winter Storm Potential


NEG NAO

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1 minute ago, UlsterCountySnowZ said:

widespread 15-20" on GFS, Long Island hits 30 in some spots 

2 more hours until the 00z EURO run Billy! I know it's late...but you can do it!! It went great the last 2 nights. You did PBP for us, we all had our popcorn ready, etc.....we cannot risk changing anything!! Can you make it??

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Just now, KeithB said:

2 more hours until the 00z EURO run Billy! I know it's late...but you can do it!! It went great the last 2 nights. You did PBP for us, we all had our popcorn ready, etc.....we cannot risk changing anything!! Can you make it??

Idk bro, I'll try my best lol...2am after last nights gonna be rough... haha 

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3 minutes ago, UlsterCountySnowZ said:

I also think GFS still isn't there on the intensity and size of the initial overrunning, or the NW band that other models have, I'd still take a blend of RGEM/euro... everyone's locked for 12-20+ with no mixing imo... I don't see it happening 

Yeah I don't think its done correcting west. Even with this correction its still the eastern outlier. Lets see what the ukie and cmc have to say

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Just now, keno19 said:

I agree. 15 to 20  with isolated spots of 24in.  I do believe NOAA jumped the gun too early with the blizzard watch.    Craig Allen a family friend of ours even agrees.   Kind of shocked Gary Conte allowed that.

Blizzard conditions have nothing to do with the amount of snow anyone receives.  

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3 minutes ago, nyblizz44 said:

UPTON, will stick with the EURO / GFS/UKIE mix here and and go Blizzard Warning at 4 am for 15-20 ( Yes I think they will up the accumilations and may even say lolis to 24 )

Channel 2 had a  general 1 to 2 feet with "locally 30" on it's 11 pm forecast map.

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2 minutes ago, keno19 said:

I agree. 15 to 20  with isolated spots of 24in.  I do believe NOAA jumped the gun too early with the blizzard watch.    Craig Allen a family friend of ours even agrees.   Kind of shocked Gary Conte allowed that.

You do know it's just a watch and not a warning? And that it has nothing to do with accumulations?

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1 minute ago, Rjay said:

Blizzard conditions have nothing to do with the amount of snow anyone receives.  

People forget that it's a wind thing. They have plenty of blizzard warnings out in the plains for a few inches. And this storm if going to have epic wind. With the incredible dynamics we should be able to mix down the LLJ fairly easily. I can't stress this enough. The wind is what is going to make this one special and also incredibly difficult to measure 

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3/13 00z Guidance Summary

QPF range NYC area / Snow

 

SREF: 1.50 - 1.65 / 12 - 18"

NAM : 1.50 - 1.75 / 15 - 20"

P NAM:  1.50 - 1.75 :/ 15 - 20"
GFS: 1.50 - 1.75 / 12 - 18"

GEFS:
RGEM: 1.70 / 12- 18"
GGEM:

GGEM-ENS: 
UKMET:
ECM:

ECM-EPS:

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Yeah I don't think its done correcting west. Even with this correction its still the eastern outlier. Lets see what the ukie and cmc have to say


I'll wait to see the ukie /euro, but I think the rgem and nam also correct a bit East. We're not quite in their wheel house yet. Just imho

Sent from my SAMSUNG-SM-N920A using Tapatalk

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With a question of low track in proximity to the coast, blizzard
condition confidence is not quite where it needs to be for an
upgrade to a warning at this time, assuming more warming aloft
occurs. As you head away from the coast, higher confidence in
winter storm warnings, thus the upgrade for those areas.

In general, a foot or more of snow accum is likely, high end up
around 20 inches, with the low end under a foot right along the
coast of LI. Much depends on that aforementioned track.
Strongest winds near the coast, with 40 kt in the mixed layer,
which assuming snow as the ptype produces blizzard conditions.
Hopefully this will be resolved with a clearer picture tonight.
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4 minutes ago, Morris said:

With a question of low track in proximity to the coast, blizzard
condition confidence is not quite where it needs to be for an
upgrade to a warning at this time, assuming more warming aloft
occurs. As you head away from the coast, higher confidence in
winter storm warnings, thus the upgrade for those areas.

In general, a foot or more of snow accum is likely, high end up
around 20 inches, with the low end under a foot right along the
coast of LI. Much depends on that aforementioned track.
Strongest winds near the coast, with 40 kt in the mixed layer,
which assuming snow as the ptype produces blizzard conditions.
Hopefully this will be resolved with a clearer picture tonight.

Is this Mt. Holly's or Upton's discussion?

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4 minutes ago, Morris said:

With a question of low track in proximity to the coast, blizzard
condition confidence is not quite where it needs to be for an
upgrade to a warning at this time, assuming more warming aloft
occurs. As you head away from the coast, higher confidence in
winter storm warnings, thus the upgrade for those areas.

In general, a foot or more of snow accum is likely, high end up
around 20 inches, with the low end under a foot right along the
coast of LI. Much depends on that aforementioned track.
Strongest winds near the coast, with 40 kt in the mixed layer,
which assuming snow as the ptype produces blizzard conditions.
Hopefully this will be resolved with a clearer picture tonight.

Isn't that an hours old discussion?

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5 minutes ago, keno19 said:

other camps would have put a winter storm watch and a high wind watch before jumping .  thats  my opinion

You can have a blizzard warning for snow and sustained winds greater than 30MPH for 3 or more hours. It has nothing to do with heavy snow.

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