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I'd guess each NWS office placed more weight on different models, now that they agree more, there should be less weird border discrepancies?
Sometimes (like with this one) they communicate with each other to "blend" the borders better but it's always tough and there might always be a different look. But sometimes even hours before models wont fully agree. Euro might show 2" qpf while GFS shows 1.5" which would make a 6" snow difference.
I wanna get technical with some stuff but I need to preserve my mind energy for during the storm. LOL maybe someone else can post something.
I got a Blizzard Watch which might get upgraded to a Warning including for NYC, Long Island, Southern CT and Boston
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