MADE ONLY COSMETIC CHANGES TO THE UPDATE PACKAGE FOR THE FINAL
ISSUANCE. AS A WHOLE, THE 12Z/07 GUIDANCE OFFERED A DIZZYING ARRAY
OF SOLUTIONS FOR THIS PERIOD, WITH THE 20 GEFS MEMBERS SO
DISPARATE AS TO ELUDE ARITHMETIC CLUSTERING TOOLS. MUCH OF THE
SPREAD WAS OVER THE EAST, WHERE THE POLAR FRONT IS SUBJECT TO
PULLING AND TUGGING FROM VARIOUS UPSTREAM SHORTWAVES. THE 12Z/07
DETERMINISTIC ECMWF WAS COMFORTINGLY SIMILAR TO ITS 00Z/07 RUN-
UPON WHICH THE UPDATE PACKAGE WAS LARGELY BASED.
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