

169 

FZPN02 KWBC 190525

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0545 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 19. 

24 HOUR FORECAST VALID 0000 UTC AUG 20. 

48 HOUR FORECAST VALID 0000 UTC AUG 21. 



.WARNINGS. 



...GALE WARNING... 

.FROM 48N TO 52N BETWEEN 127W AND 129W N WINDS 25 TO 35 KT. SEAS 

8 TO 12 FT. ELSEWHERE FROM 33N TO 54N BETWEEN 126W AND 134W N 

WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST WITHIN 240 NM W AND N OF A LINE FROM 37N134W 

TO 46N126W N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.48 HOUR FORECAST WITHIN 300 NM W AND N OF A LINE FROM 34N137W 

TO 40N130W TO 46N126W N WINDS 20 TO 30 KT. SEAS TO 10 FT. 



.SYNOPSIS AND FORECAST. 



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

10 FT. 

.24 HOUR FORECAST CONDITIONS W OF AREA. 



.LOW 55N164W 1013 MB MOVING NE 10 KT. WITHIN 360 NM SE QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST LOW 56N159W 1020 MB. CONDITIONS DIMINISHED. 

.48 HOUR FORECAST LOW DISSIPATED. 



.LOW 46N154W 1022 MB MOVING NE 35 KT. WITHIN 240 NM SE 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 10 FT. 

.24 HOUR FORECAST LOW 55N136W 1020 MB. WITHIN 180 NM S QUADRANT 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW INLAND AND DISSIPATED.



.LOW 34N171W 1016 MB MOVING NE 20 KT. WITHIN 180 NM NW 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST LOW 40N163W 1018 MB. WITHIN 120 NM OF LOW 

CENTER WINDS TO 25 KT. SEAS TO 8 FT.

.48 HOUR FORECAST LOW 45N157W 1018 MB. WITHIN 180 NM NW 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 



.24 HOUR FORECAST N OF 60N W OF ALASKA SW WINDS 20 TO 30 KT. 

SEAS TO 8 FT. 

.48 HOUR FORECAST WITHIN 210 NM S AND SE OF A LINE FROM 58N162W 

TO 54N177W TO 51N162E SW WINDS 20 TO 30 KT. SEAS TO 10 FT.  



.24 HOUR FORECAST FROM 48N TO 52N W OF 164E 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 

43N168E TO 56N178E AND N OF 63N W OF 168W.

.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 45N167E TO 48N178E 

TO 65N168W.

.48 HOUR FORECAST DENSE FOG FROM 46N TO 62N W OF 170W.



.HIGH 45N142W 1035 MB DRIFTING SW. 

.24 HOUR FORECAST HIGH 43N144W 1033 MB. 

.48 HOUR FORECAST HIGH 42N146W 1028 MB. 



.HIGH 55N145W 1027 MB MOVING NE 20 KT. 

.24 HOUR FORECAST HIGH DISSIPATED.



.HIGH 48N156W 1026 MB MOVING NE 10 KT.

.24 HOUR FORECAST HIGH 50N150W 1028 MB. 

.48 HOUR FORECAST HIGH DISSIPATED.



.HIGH 44N163E 1029 MB MOVING NE 05 KT. 

.24 HOUR FORECAST HIGH 45N168E 1030 MB. 

.48 HOUR FORECAST HIGH 44N176E 1033 MB. 



.HIGH 46N179E 1028 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 45N176W 1031 MB. 

.48 HOUR FORECAST HIGH 44N173W 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 0000 UTC FRI AUG 19.

24 HOUR FORECAST VALID 0000 UTC SAT AUG 20.

48 HOUR FORECAST VALID 0000 UTC SUN AUG 21.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL DEPRESSION TWELVE-E NEAR 17.8N 110.4W 1005 MB AT 0300

UTC AUG 19 MOVING NW OR 315 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS

30 KT GUSTS 40 KT. WITHIN 180 NM SE AND 90 NM NW SEMICIRCLES

WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. 

.12 HOUR FORECAST TROPICAL STORM TWELVE-E NEAR 18.6N 111.0W.

MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE

WINDS WITHIN 30 NM E SEMICIRCLE AND 40 NM W SEMICIRCLE. SEAS 12

FT OR GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 13 FT.

ELSEWHERE WITHIN 210 NM SE AND 120 NM NW SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST TROPICAL STORM TWELVE-E NEAR 19.4N 111.5W.

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

WINDS WITHIN 40 NM OF CENTER EXCEPT 30 NM SE QUADRANT. SEAS 12

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

ELSEWHERE WITHIN 210 NM SE AND 150 NM NW SEMICIRCLES WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST TROPICAL DEPRESSION TWELVE-E NEAR 20.7N

111.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT WITHIN 60 NM

OF CENTER. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 180 NM OF CENTER

WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST POST-TROPICAL REMNANT LOW TWELVE-E NEAR 21.6N

112.5W. 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 TWELVE-E NEAR 22.3N

113.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW TWELVE-E NEAR

23.3N 115.5W. 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.

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



.TROPICAL WAVE ALONG 136W FROM 11.5N TO 20N. WITHIN 60 NM OF

LINE FROM 17N135W TO 16N138W WINDS 20 KT OR LESS. SEAS 8 FT IN

MIXED SWELL. 

.18 HOUR FORECAST TROPICAL WAVE ALONG 140W FROM 12N TO 18N.

WITHIN 30 NM OF LINE FROM 17N138W TO 17N140W WINDS 20 KT OR

LESS. SEAS 8 FT IN MIXED SWELL.

.24 HOUR FORECAST TROPICAL WAVE MOVED W OF AREA. WINDS 20 KT OR

LESS. SEAS LESS THAN 8 FT.



.S OF 03S BETWEEN 99W AND 100W AND S OF 02N BETWEEN 100W AND

119W WINDS 20 KT OR LESS. SEAS 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 0230 UTC FRI AUG 19...



.TROPICAL DEPRESSION TWELVE-E...NUMEROUS STRONG WITHIN

90 NM S AND SW QUADRANTS SCATTERED MODERATE ISOLATED STRONG

WITHIN 120 NM NW QUADRANT AND WITHIN 30 NM OF 16N109W.



.TROPICAL WAVE ALONG 98W N OF 09N...SCATTERED MODERATE ISOLATED

STRONG WITHIN 60 NM E OF WAVE FROM 12N TO 13N.



.SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF COAST OF

MEXICO FROM 18N TO 21N. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 08N92W TO 10N102W. IT

RESUMES FROM 16N112W TO 13N121W TO LOW PRES NEAR 09N129W 1011

MB...AND TO 13N135W TO BEYOND 10N140W. SCATTERED MODERATE TO

STRONG WITHIN 120 NM N OF AXIS BETWEEN 112W AND 120W. SCATTERED

MODERATE WITHIN 60 NM S OF AXIS BETWEEN 84W AND 86W...AND WITHIN

60 NM S OF AXIS BETWEEN 120W AND 121W. 



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

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



SYNOPSIS VALID 0000 UTC AUG 19 2016.

24 HOUR FORECAST VALID 0000 UTC AUG 20 2016.

48 HOUR FORECAST VALID 0000 UTC AUG 21 2016.



.WARNINGS. 



.SYNOPSIS AND FORECAST. 



.LOW NEAR 08N163E 1008 MB MOVING NW SLOWLY. TROUGH FROM LOW TO 

13N165E TO 17N168E. SCATTERED MODERATE TO STRONG TSTMS WITHIN 

240 NM OF LOW CENTER AND ALSO WITHIN 180 NM EITHER SIDE OF 

TROUGH AXIS. 

.24 HOUR FORECAST LOW NEAR 10N161E 1008 MB. TROUGH FROM LOW TO 

15N162E TO 19N165E. 

.48 HOUR FORECAST DISSIPATING LOW JUST W OF FORECAST AREA NEAR 

10N157E. TROUGH FROM LOW TO 18N162E. 



.STATIONARY FRONT 30N177W TO 29N178E TO 26N174E. SCATTERED 

MODERATE TSTMS WITHIN 300 NM NW OF FRONT. 

.48 HOUR FORECAST FRONT DISSIPATED. 



.TROUGH FROM 15N176W TO 20N176W TO 23N174W. ASSOCIATED TSTMS 

INCLUDED BELOW. 

.24 HOUR FORECAST TROUGH FROM 17N178E 23N179W. 



.WINDS E TO SE 20 TO 30 KT OVER FORECAST WATERS N OF 21N W OF 

163E. 

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



.SEAS 8 TO 12 FT OVER FORECAST WATERS N OF 17N W OF 165E. 

.24 HOUR FORECAST SEAS 8 TO 10 FT OVER FORECAST WATERS N OF 17N 

W OF 163E. 

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



.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA. 



.ITCZ FROM 12N144W TO 11N151W TO 13N156W AND ALSO FROM 10N164W 

TO 09N171W TO 11N179W TO 08N174W TO 09N167W. TROPICAL WAVE 

EMBEDDED WITHIN ITCZ... AXIS FROM 08N160W TO 12N159W TO 16N158W 

MOVING NW 10 KT. SCATTERED STRONG W TSTMS WITHIN 210 NM EITHER 

SIDE OF TROUGH AXIS. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE 

WITHIN 240 NM OF ITCZ. 



.OTHERWISE SCATTERED MODERATE TSTMS WITHIN A POLYGON BOUND BY 

27N176W 22N169W 15N179W 24N174E 27N176W. 



$$ 



.FORECASTER BEDAL. HONOLULU HI.

