In terms of upstream NOAA still aren't keen on recent GFS runs.
THE 06Z DETERMINISTIC GFS IS WEAKER WITH ITS
POTENTIAL SNOWSTORM THAN ITS PRECEDING 00Z RUN BUT HAS THE SAME GENERAL IDEA OF THE PAST 3 GFS RUNS. WE WILL SIDE WITH THE GREATER CONSENSUS AROUND THE 00Z/04 ECMWF AND 12Z/04 ECMWF RUNS FOR NOW...
http://www.hpc.ncep.noaa.gov/preepd/preepd.html
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