

175 

FZPN02 KWBC 192325

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

2345 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 19. 

24 HOUR FORECAST VALID 1800 UTC AUG 20. 

48 HOUR FORECAST VALID 1800 UTC AUG 21. 



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.WITHIN 360 NM W OF A LINE FROM 36N134W TO 48N126W TO 53N130W N 

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

.24 HOUR FORECAST WITHIN 240 NM W OF A LINE FROM 36N137W TO 

46N126W TO 51N128W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.48 HOUR FORECAST FROM 40N TO 50N BETWEEN 126W AND 130W NW WINDS 

TO 25 KT. SEAS TO 9 FT. 



.FRONT EXTENDS FROM 45N156W TO LOW 42N162W 1022 MB MOVING NE 30 

KT TO SECOND LOW 38N166W 1018 MB MOVING NE 20 KT. WITHIN 90 NM 

EITHER SIDE OF THE FRONT WINDS TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 45N158W 1019 MB. WITHIN 120 NM EITHER SIDE 

OF A FRONT FROM 48N154W TO LOW CENTER TO 39N163W WINDS TO 25 KT. 

SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 48N153W 1016 MB. WITHIN 240 NM SE QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 



.N OF 60N W OF ALASKA SW WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST N OF THE ALEUTIAN ISLANDS S OF 59N SW WINDS 20 

TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST WITHIN 360 NM SE AND S OF A FRONT TO EXTEND 

FROM MAIN CENTER OF COMPLEX LOW 58N163W 998 MB TO 52N167W TO 

51N174E WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.24 HOUR FORECAST FROM 48N TO 53N BETWEEN 160E AND 178E SW WINDS 

TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST CONDITIONS NOTED ABOVE. 



.48 HOUR FORECAST WITHIN 60 NM NE OF A FRONT TO EXTEND FROM 

36N167W TO 30N173E NE WINDS TO 25 KT. SEAS TO 8 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM OF 

54N141W AND W OF A LINE FROM 65N169W TO 50N179E TO 45N170E. 

.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 47N174W TO 64N168W.

.48 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 48N159W AND FROM 46N 

TO 58N W OF 165W. 



.HIGH 44N145W 1034 MB MOVING SW 05 KT. 

.24 HOUR FORECAST HIGH 43N146W 1031 MB. 

.48 HOUR FORECAST HIGH 43N144W 1026 MB. 



.HIGH 58N142W 1025 MB MOVING S 05 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 49N154W 1029 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 51N147W 1022 MB. 

.48 HOUR FORECAST HIGH 52N143W 1023 MB. 



.HIGH 46N167E 1028 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH ABSORBED BY HIGH 44N178E. 



.HIGH 45N179W 1031 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH 44N178E 1032 MB. 

.48 HOUR FORECAST HIGH 42N177E 1031 MB. 



.FORECASTER LEE. 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 1800 UTC FRI AUG 19.

24 HOUR FORECAST VALID 1800 UTC SAT AUG 20.

48 HOUR FORECAST VALID 1800 UTC SUN AUG 21.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 18.8N 111.7W 1001 MB AT 2100 UTC AUG 19

MOVING NW OR 310 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT

GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM E 

SEMICIRCLE...

50 NM SW QUADRANT AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER

WITHIN 60 NM OF CENTER...EXCEPT 45 NW QUADRANT WITH SEAS TO 16

FT. ELSEWHERE WITHIN 90 NM NE SEMICIRCLE AND 120 NM SW

SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. WITHIN 120 NM SE

OF A LINE FROM 19N112W TO 15N116W TO 13N118W WINDS 20 KT OR

LESS. SEAS TO 8 FT IN SW TO W SWELL.

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 20.0N 112.9W. MAXIMUM

SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS

WITHIN 30 NM N SEMICIRCLE AND 40 NM S SEMICIRCLE. SEAS 12 FT OR

GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 17 FT. ELSEWHERE

WITHIN 120 NM OF CENTER...EXCEPT 90 NM NE QUADRANT WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST TROPICAL STORM KAY NEAR 21.0N 114.7W. MAXIMUM

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

WITHIN 40 NM E SEMICIRCLE AND 30 NM W SEMICIRCLE. SEAS 12 FT OR

GREATER WITHIN 45 NM OF CENTER WITH SEAS TO 13 FT. ELSEWHERE

WITHIN 90 NM OF CENTER...EXCEPT 120 NM NW QUADRANT WINDS 20 TO

33 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST TROPICAL STORM KAY NEAR 21.8N 116.3W. MAXIMUM

SUSTAINED WINDS 35 KT GUSTS 45 KT.

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

.96 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 22.4N

117.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 22.9N

120.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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.



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



CONVECTION VALID AT 2115 UTC FRI AUG 19...



.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 60 NM SW

QUADRANT. SCATTERED STRONG ELSEWHERE WITHIN 120 NM W AND 60 NM E

SEMICIRCLES. SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM 

OF 16N113.5W.



.SCATTERED MODERATE ISOLATED STRONG FROM 12N TO 15N BETWEEN

135W AND 137W.  



.SCATTERED MODERATE FROM 18N TO 20N BETWEEN 103W AND 107W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 09N84W TO 10N94W TO 08N100W TO

10N106W. IT RESUMES AT 16N115W TO 15N122W TO 13N126W TO 10N135W.

SCATTERED MODERATE/ISOLATED IS WITHIN 120 NM S OF THE AXIS

BETWEEN 125W AND 121W...AND WITHIN 60 NM NW OF THE AXIS

BETWEEN 133W AND 135W.



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

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



SYNOPSIS VALID 1800 UTC AUG 19 2016.

24 HOUR FORECAST VALID 1800 UTC AUG 20 2016.

48 HOUR FORECAST VALID 1800 UTC AUG 21 2016.



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.COMPLEX LOW WITH PRIMARY CENTER NEAR 13N162E MOVING W 10 KT AND 

SECONDARY CENTER NEAR 08N163E MOVING NW 15 KT. ISOLATED STRONG 

TSTMS WITHIN A POLYGON BOUND BY 24N160E 19N166E 15N175E 01N165E 

01N160E 24N160E. 

.24 HOUR FORECAST MERGED LOW WITH SINGLE CENTER JUST W OF 

FORECAST AREA NEAR 12N157E. TROUGH FROM CENTER TO 15N160E TO 

17N167E. 

.48 HOUR FORECAST LOW FAR W OF FORECAST AREA. TROUGH DISSIPATED. 



.WARM FRONT FROM 23N172E TO 30N179E MOVING NW 15 KT. SCATTERED 

MODERATE TO STRONG TSTMS WITHIN 240 NM EITHER SIDE OF FRONT. 

.24 HOUR FORECAST FRONT FROM 29N168E TO 30N179E. 

.48 HOUR FORECAST FRONT DISSIPATED. 



.TROUGH FROM 17N179W TO 23N177W. ISOLATED MODERATE TO STRONG 

TSTMS WITHIN 210 NM EITHER SIDE OF TROUGH AXIS. 

.24 HOUR FORECAST TROUGH FROM 19N175E TO 25N179E. 

.48 HOUR FORECAST TROUGH FROM 22N173E TO 29N175E. 



.WINDS 20 KT OR LESS ENTIRE FORECAST AREA. 



.SEAS 8 FT OR LOWER ENTIRE FORECAST AREA...EXCEPT SEAS 8 TO 9 FT 

FROM 30N TO 22N BETWEEN 160E AND 167E. 

.24 HOUR FORECAST SEAS 8 FT OR LOWER ENTIRE FORECAST AREA. 



.MONSOON TROUGH FROM 13N142W TO 11N150W TO 13N158W. SCATTERED 

STRONG TSTMS WITHIN 180 NM EITHER SIDE OF TROUGH AXIS E OF 150W. 

ISOLATED MODERATE TO STRONG TSTMS WITHIN 180 NM EITHER SIDE OF 

TROUGH AXIS W OF 150W. 



.TROPICAL WAVE...WITH AXIS FROM 08N164W TO 15N168W...MOVING NW 

10 KT. SCATTERED STRONG TSTMS WITHIN 180 NM EITHER SIDE OF WAVE 

AXIS. ISOLATED MODERATE TO STRONG TSTMS ELSEWHERE FROM 18N TO 

06N BETWEEN 175W AND 158W. 



$$ 



.FORECASTER BEDAL. HONOLULU HI.

