Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 250718
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1118 PM PST SAT JAN 24 2015

.FORECAST DISCUSSION: MAJOR FEATURES/WINDS/SEAS/SIGNIFICANT
.WEATHER FOR THE NORTH PACIFIC N OF 30N AND E OF 150W.

SUMMARY...A TROF WILL WEAKEN NEAR THE CALIF COAST TODAY. A COLD
FRONT WILL APPROACH THE PZ5 AND NRN PZ6 WTRS FROM THE W TONITE...
THEN WEAKEN AS IT CROSSES THE OFSHR AREAS MON INTO MON NITE AND
LOW PRES PASSES NW AND N OF THE PZ5 WTRS. ANOTHER TROF WILL SLOWLY
DVLP NEAR THE CALIF COAST WED THRU THU NITE. OTHW...HI PRES RDG
WILL PREVAIL OVER THE OFSHR AREAS DURING THE FCST PRD.

MODELS...THE 00Z MED RNG MDLS ARE IN GUD OVERALL AGREEMNT BOTH IN
EPAC AND ACROSS THE OFSHR WTRS DURING THE FCST PRD...EXCEPT THE
ECMWF/GFS HAVE A TRAJECTORY FOR THE LOW ON MON THRU TUE WHICH IS
SOMEWHAT DIFF THAN THE GEM/NOGAPS/UKMET. SINCE THE ECMWF/GFS HAVE
BEEN SHOWING GUD RUN TO RUN CONSISTENCY AND HAVE GUD SUPPORT FROM
THE LATEST WPC MED RNG FCSTR GUIDANCE...A 50/50 BLEND OF THE 00Z
ECMWF/GFS 10M WILL BE USED FOR THE WIND GRIDS.

.SEAS...THE 00Z MULTIGRID WW3 AND 00Z ECMWF WAM ARE IN GUD OVERALL
AGREEMNT ACROSS THE OFSHR WTRS...ALTHO THERE ARE SOME MINOR DIFFS
AT VARIOUS TIMES DURING THE FCST PRD. WILL USE A 50/50 BLEND OF
THE 00Z MWW3/ECMWF WAM FOR THE SEA HT GRIDS TO SMOOTH OUT THE
DIFFS.

.EXTRATROPICAL STORM SURGE GUIDANCE...N/A.

.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER SCOVIL. OCEAN PREDICTION CENTER.



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