Marine Interpretation Message
Issued by NWS

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000
AGPN40 KWNM 061953
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1253 PM PDT MON JUL 6 2015

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

12Z GLOBAL MODELS IN GOOD AGRMT THRU MOST OF THE FCST
PERIOD...WITH SOME MINOR DISCREPENCIES NOTED TOWARDS THE END OF
THE FCST PERIOD WITH TRACK AND STRENGTH OF LOW AND ASSOC COLD
FRONT APPROACHING THE NRN WATERS. WILL POPULATE WIND GRIDS FROM
12Z GFS THRU THE FCST PERIOD.

FAIRLY QUIET WEATHER PATTERN OVER THE REGION ATTM...AS A WEAK LOW
PRES TROF REMAINS OVER THE NRN WATERS...WITH A HIGH PRES RIDGE
OVER THE SRN WATERS. THIS PATTERN EXPECTED TO PERSIST THRU
TUE...WITH THE TROF DSIPT TUE NIGHT.

ANOTHER LOW PRES TROF THEN EXPECTED TO DVLP ALONG THE NWRN US
COAST AND VANCOUVER ISLAND WED AND PERSIST THRU THU NIGHT. MODELS
SHOWING SOME ENHANCED GRADIENT BETWEEN THE TROF AND THE EPAC HIGH
OFF VANCOUVER ISLAND WED THRU THU NIGHT...BUT KEEP WINDS IN THE 25
KT OVER THE NRN PZ5 WATERS AND TO 30 KT JUST N OF THE WATERS OFF
VANCOUVER ISLAND. TROF WEAKENS FRI AND FRI NIGHT AND MOVES OFFSHR
WITH A WEAK WIND FLOW PATTERN SETTING UP ONCE AGAIN.

FOR SAT AND SAT NIGHT...MODELS SHOWING A WEAKENING AREA OF LOW
PRES AND ASSOC COLD FRONT APPROACHING THE NRN WATERS. MODELS IN
GENERAL AGRMT ON THE TRACK OF THE LOW...AND KEEPING IT W OF THE
OFFSHR WATERS THRU THE END OF THE FCST PERIOD. ECMWF APPEARS TO BE
A LITTLE STRONGER WITH THE LOW THAN BOTH THE GFS AND THE UKMET.
WILL LEAN TOWARDS WEAKER GFS SOLUTION ATTM.


.SEAS...ENP VERSION OF WWII WITHIN A FT OR TWO OF CURRENT OBS.
WILL POPULATE WAVE GRIDS FROM 12Z ENP THRU THE FCST PERIOD.


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


.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
     NONE.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER ACHORN. OCEAN PREDICTION CENTER.



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