

477 

FZPN02 KWBC 191125

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

1145 UTC FRI AUG 19 2016



CCODE/1:31:12:01:00/AOW+POR/NWS/CCODE

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS



SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE 

HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY 

BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 

NATIONAL WEATHER SERVICE. EMAIL US AT 

VOSOPS@NOAA.GOV(LOWERCASE). 



SECURITE 



PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 

TO 50N 160E 



SYNOPSIS VALID 0600 UTC AUG 19. 

24 HOUR FORECAST VALID 0600 UTC AUG 20. 

48 HOUR FORECAST VALID 0600 UTC AUG 21. 



.WARNINGS. 



.NONE.



.SYNOPSIS AND FORECAST. 



.WITHIN 270 NM W OF A LINE FROM 37N131W TO 43N128W TO 52N127W N 

WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.24 HOUR FORECAST WITHIN 270 NM W OF A LINE FROM 38N132W TO 

45N127W TO 52N127W N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.48 HOUR FORECAST FROM 45N TO 50N BETWEEN 126W AND 130W N WINDS 

TO 25 KT. SEAS TO 9 FT.  



.SW OF A LINE FROM 34N160E TO 30N165E SE WINDS TO 25 KT. SEAS TO 

12 FT. 

.24 HOUR FORECAST CONDITIONS W OF AREA. 



.LOW 54N163W 1015 MB MOVING NE 10 KT. WITHIN 360 NM S SEMICIRCLE 

WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.LOW 47N152W 1024 MB MOVING NE 35 KT. WITHIN 240 NM SE 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.LOW 36N168W 1016 MB MOVING NE 20 KT. WITHIN 180 NM NW 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW 42N160W 1019 MB. WITHIN 120 NM EITHER SIDE 

OF A FRONT FROM 47N154W TO LOW CENTER TO 37N165W WINDS TO 25 KT. 

SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 44N156W 1019 MB. WITHIN 180 NM NW 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 



.24 HOUR FORECAST N OF 58N BETWEEN THE ALASKAN COAST AND 172W SW 

WINDS 20 TO 30 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 65N164W 998 MB 

AND SECOND CENTER 58N168W 1000 MB. WITHIN 240 NM W QUADRANT OF 

FIRST CENTER...330 NM SE QUADRANT OF SECOND CENTER...AND 180 NM 

SE AND S OF A FRONT FROM LOW CENTER TO 54N175W TO 52N176E TO 

51N163E WINDS 20 TO 30 KT. SEAS TO 10 FT. 



.24 HOUR FORECAST NW OF A LINE FROM 48N164E TO 52N170E SW WINDS 

TO 25 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE. 



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM NW OF A LINE FROM 

44N168E TO 50N177E TO 60N179W AND 120 NM NW OF A LINE FROM 

47N150W TO 52N140W.

.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 45N168E TO 48N176W 

TO 65N169W.

.48 HOUR FORECAST DENSE FOG FROM 46N TO 58N W OF 167W. 



.HIGH 44N142W 1035 MB MOVING SW 05 KT. 

.24 HOUR FORECAST HIGH 43N144W 1032 MB. 

.48 HOUR FORECAST HIGH 42N146W 1028 MB. 



.HIGH 55N143W 1027 MB MOVING NE 20 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 48N156W 1028 MB MOVING NE 15 KT. 

.24 HOUR FORECAST HIGH 50N150W 1028 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 45N164E 1028 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH 45N171E 1030 MB. 

.48 HOUR FORECAST HIGH ABSORBED BY HIGH 43N175E. 



.HIGH 46N179E 1030 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH 45N178W 1031 MB. 

.48 HOUR FORECAST HIGH 43N175E 1032 MB. 



.FORECASTER ACHORN. OCEAN PREDICTION CENTER.



NATIONAL HURRICANE CENTER MIAMI FL



E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE

EQUATOR E OF 120W



SYNOPSIS VALID 0600 UTC FRI AUG 19.

24 HOUR FORECAST VALID 0600 UTC SAT AUG 20.

48 HOUR FORECAST VALID 0600 UTC SUN AUG 21.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 18.4N 110.9W 1005 MB AT 0900 UTC AUG 19

MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 35 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER

EXCEPT 50 NM SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF

CENTER EXCEPT 50 NM SE QUADRANT WITH SEAS TO 12 FT. WITHIN 180

NM SE AND 60 NM NW SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 11

FT.

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 20.0N 111.9W. MAXIMUM

SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS

WITHIN 40 NM OF CENTER EXCEPT 50 NM SE QUADRANT. SEAS 12 FT OR

GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 14 FT. ELSEWHERE

WITHIN 60 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WINDS 20 TO 33

KT. SEAS 9 TO 13 FT. REMAINDER AREA WITHIN 90 NM N SEMICIRCLE

AND 150 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN

MIXED SW AND NW SWELL.

.48 HOUR FORECAST TROPICAL DEPRESSION KAY NEAR 21.0N 112.5W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT NEAR CENTER. ELSEWHERE

WITHIN 30 NM N SEMICIRCLE AND 45 NM S SEMICIRCLE WINDS 20 TO 30

KT. SEAS 10 TO 11 FT. REMAINDER AREA WITHIN 60 NM N SEMICIRCLE

AND 120 NM S SEMICIRCLE WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN

MIXED SW AND NW SWELL.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 21.7N

113.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 22.5N

114.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.0N

117.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.



FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE

USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE

AND INTENSITY.



.SYNOPSIS AND FORECAST.



.N OF 29N BETWEEN 126W AND 131W WINDS 20 KT OR LESS. SEAS TO 8

FT IN NW TO N SWELL.

.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.TROPICAL WAVE ALONG 138W/139W S OF 18N. FROM 17N TO 19N BETWEEN

137W AND 140W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL. 

.18 HOUR FORECAST TROPICAL WAVE ALONG 140W S OF 18N. WINDS 20 KT

OR LESS. SEAS LESS THAN 8 FT.



.S OF 01S W OF 96W WINDS 20 KT OR LESS. SEAS TO 8 FT IN S TO SW

SWELL.

.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



CONVECTION VALID AT 0830 UTC FRI AUG 19...



.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 150 NM S AND SW

QUADRANTS. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM N

SEMICIRCLE.



.TROPICAL WAVE ALONG 99W S OF 17N...SCATTERED MODERATE

ISOLATED STRONG WITHIN 60 NM EITHER SIDE OF WAVE FROM 13N TO

17N.



.SCATTERED STRONG FROM 20N TO 22N E OF 109W. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH EXTENDS FROM 09N84W TO 08N90W TO 08N98W...AND

ALONG 14N114W TO 13N122W TO 10N132W. SCATTERED TO NUMEROUS

STRONG WITHIN 60 NM EITHER SIDE MONSOON TROUGH BETWEEN 116W AND

130W. SCATTERED STRONG FROM 16N TO 17N BETWEEN 104W AND 105W.

SCATTERED MODERATE ISOLATED STRONG FROM 03N TO 06N E OF 80W AND

N OF 07N BETWEEN 79W AND 84W...AND FROM 10N TO 12N BETWEEN 93W

AND 94W. 



.FORECASTER MT. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E



SYNOPSIS VALID 0600 UTC AUG 19 2016.

24 HOUR FORECAST VALID 0600 UTC AUG 20 2016.

48 HOUR FORECAST VALID 0600 UTC AUG 21 2016.



.WARNINGS. 



.SYNOPSIS AND FORECAST. 



.COMPLEX SYSTEM WITH LOW 14N163E 1006 MB AND LOW 08N163E 1006 

MB... AND TROUGH FROM 17N164E TO FIRST LOW TO SECOND LOW TO 

05N163E. LOWS AND TROUGH MOVING W SLOWLY. SCATTERED MODERATE TO 

STRONG TSTMS WITHIN 210 NM OF LOWS AND TROUGH. 

.24 HOUR FORECAST COMPLEX SYSTEM WITH LOW 13N160E 1006 MB AND 

LOW 08N161E 1006 MB...AND TROUGH FROM FIRST LOW TO SECOND LOW. 

.48 HOUR FORECAST LOWS AND TROUGH MOVED W OF FORECAST AREA. 



.FRONT FROM 30N178W TO 26N173E NEARLY STATIONARY. ISOLATED 

MODERATE TSTMS WITHIN 180 NM NW OF FRONT W OF 178E. 

.48 HOUR FORECAST FRONT DISSIPATED. 



.TROUGH FROM 15N159W TO 07N168W MOVING W 10 KT. ISOLATED 

MODERATE TO STRONG TSTMS WITHIN 150 NM OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 17N168W TO 08N171W. 

.48 HOUR FORECAST TROUGH FROM 17N174W TO 09N176W. E TO SE WINDS 

20 TO 25 KT FROM 14N TO 18N BETWEEN 171W AND 176W. 



.TROUGH FROM 23N174W TO 15N177W MOVING W 10 KT. ISOLATED 

MODERATE TO STRONG TSTMS WITHIN 150 NM OF TROUGH. 

.24 HOUR FORECAST TROUGH FROM 24N179E TO 18N178E. 

.48 HOUR FORECAST TROUGH FROM 26N174E TO 20N175E. 



.SE WINDS 20 TO 25 KT N OF 26N W OF 162E. 

.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS. 



.RIDGE FROM 30N162E TO 24N160E NEARLY STATIONARY. 



.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST 

AREA. 



.SEAS 8 TO 12 FT W OF A LINE FROM 30N161E TO 17N165E. 

.24 HOUR FORECAST SEAS 8 TO 10 FT N OF 23N W OF 163E. 

.48 HOUR FORECAST SEAS SUBSIDED TO 8 FT OR LOWER OVER ENTIRE 

FORECAST AREA. 



.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA. 



.SCATTERED MODERATE TO STRONG TSTMS S OF 12N BETWEEN 175E AND 

166E. 



.MONSOON TROUGH FROM 12N142W TO 11N153W. ISOLATED MODERATE TSTMS 

WITHIN 90 NM OF MONSOON TROUGH. 



$$ 



.FORECASTER HOUSTON. HONOLULU HI.

