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Jan 4th 2018 Fish Bomb


Rjay

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2 minutes ago, UlsterCountySnowZ said:

Everything I see points to a better precip shield, with better back flow...idk why models are so stingy on western side 

Pretty sure all that energy in the Great Lakes is affecting the western precip shield.  Hopefully a met can chime in abiut that.  

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This is all you have to see regarding the 06z NAM. The 250mb jet is much more expansive, allowing heavy precipitation to expand outside of the LP center. Upper levels are very conducive for major snowfall.

We’ve been discussing whether the surface will correct for changes in upper levels, and I think that we’re seeing that here. The NAM is a crippling blizzard.

66AB89E1-830F-44F9-8FC3-BF1408F9D21C.thumb.gif.9ce6dc8c03db74c59a394078d67a50a3.gif

9FF40FAC-384B-4E33-B3A0-BA995D310F50.thumb.png.d9fcaca885bef2023828d1092631a8ca.png

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Probably just a NAM thing or a 06Z thing.  RGEM hasn’t been that crazy despite being more west.  The only legit explanation could be that the surface low has or is about to form.  That could potentially have caused a change since it may be easier for the models to resolve the insane multi low setup once it’s formed 

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