Marine Interpretation Message
Issued by NWS

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138
AGPN40 KWNM 102222
MIMPAC

MARINE WEATHER DISCUSSION FOR N PACIFIC OCEAN
NWS OCEAN PREDICTION CENTER WASHINGTON DC
222 PM PST WED FEB 10 2016

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

THE SAT STILL INDC CLDS OVR THE NRN WTRS AHEAD OF A FRNT WITH
LIGHTNG STRIKES WELL W OF THE WTRS. THE RADAR ALSO HAS NO TSTMS
CELLS OVR THE WTRS. THE SREF CONTNUES TO SHOW LESS THAN 5 PERCENT
CHNCE OF TSTMS OVR THE REGION AND THAT REMAINS THRU THE SHORT
TERM. AT 18Z HGH PRES 1025 MB JUST W OF THE WTRS STILL MAINTAINS A
RIDGE OVR THE SRN WTRS. A CLD FRNT NOW ACRS THE CNTR PORTIONS OF
THE NRN WTRS THEN TURNS SW TO EXIT THE WTRS OVR THE NRN CAL WTRS.
A MODEST PRES GRDNT STILL OVR THE NRN WTRS BUT FAIRLY SLCK OVR THE
SRN WTRS. THE MAX OBSVD WINDS ARE NOW 30 KT OVR THE NW PORTIONS OF
THE WASH WTRS. THE LATST ASCAT PASS AT 1734Z INDC HGHR WINDS TO 30
KT OVR THE FAR NRN WTRS.

AN UPPRLVL RIDGE IS INLAND JUST E OF THE WTRS WITH LITTLE TO NO
ENERGY OVR THE REGION. SOME ENERGY EMBDD IN A FWD HANGING UPPRLVL
TROF IS APPROX 600 NM W OF THE NRN WTRS. THIS ENERGY WILL MOVE N
AS IT WILL BE BLOCKED BY THE RIDGE WITH JUST A SEREIES OF WEAK
FRNTL BDNRIES REACHING THE NRN WTRS IN THE SHORT TERM. THE UPPRLVL
RIDGE WILL EVENTUALLY WEAKEN AND RETREAT S IN THE XTNDD PRD BUT
THE GRDNT WILL REMAIN MODEST. THE MDL CHOICE SHUD BE ONE WITH HGR
WINDS OVR THE NRN WTRS ELEVATED TO GALE FORCE THRESHOLD IN THE
SHORT TERM BUT SHUD REMAIN BELO GALE FORCE IN THE XTNDD PRD.

THE GLBL MDLS AGREE WEL WITH THE OBS AND THEY HAVE GENRLY A
DECENT AGRMNT WITH JUST MNR DIFFS IN THE XTNDD PRD ON THE LOW PRS
THAT WILL NR THE NRN WTRS. GFS POSN IS CLSR THE WTRS AND THAT
BRINGS ELEVATED WINDS TO THE NRN WTRS. THE ECMWFHR HAS ITS CNTR
FARTHER W AND THAT WILL BRING WINDS TO ONLY 25 KT. UKMETHR IS CLSR
TO THE GFS WHILE THE CMC LIES BTWN EC AND GFS/UKMET. WILL STAY
WITH THE MDL THAT KEEPS ELEVATED WINDS IN THE WTRS AND SO WILL GO
WITH UKMETHR/GFS GDNC.


.SEAS...THEY ARE BUILDING OVR THE NW PARTS WHERE THE PEAKS ARE
NOW 13 FT. THE SEAS RANGE BTWN 6 AND 3 FT OVR THE SRN WTRS. THE
NWW3 MULTI GRID FITS VERY WELL WITH THE OBS AND IS CLOSE TO THE
ECMWFWV. WILL STAY CLOSE TO ENP.


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


.WARNINGS...PRELIMINARY.

.PZ5 WASHINGTON/OREGON WATERS...
.PZZ800...INNER WATERS FROM CAPE FLATTERY TO CAPE SHOALWATER...
     GALE THU.
.PZZ900...OUTER WATERS FROM CAPE FLATTERY TO CAPE SHOALWATER...
     GALE THU.
     GALE POSSIBLE SAT.
.PZZ905...OUTER WATERS FROM CAPE SHOALWATER TO CAPE LOOKOUT...
     GALE THU.
     GALE POSSIBLE SAT.
.PZZ910...OUTER WATERS FROM CAPE LOOKOUT TO FLORENCE OR...
     GALE TONIGHT INTO THU.
     GALE POSSIBLE SAT.
.PZZ915...OUTER WATERS FROM FLORENCE OR TO POINT ST. GEORGE...
     GALE TONIGHT INTO THU.

.PZ6 CALIFORNIA WATERS...
     NONE.

$$

.FORECASTER MUSONDA. OCEAN PREDICTION CENTER.



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