

841 

FZPN02 KWBC 200525

HSFEPI



HIGH SEAS FORECAST FOR METAREA XII

NWS OCEAN PREDICTION CENTER WASHINGTON DC

0545 UTC SAT AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 20. 

24 HOUR FORECAST VALID 0000 UTC AUG 21. 

48 HOUR FORECAST VALID 0000 UTC AUG 22. 



.WARNINGS. 



...GALE WARNING... 

.N OF 58N W OF 166W SW WINDS TO 25 KT. SEAS TO 8 FT. 

.24 HOUR FORECAST WITHIN 300 NM S AND SE OF A LINE FROM 60N163W 

TO 55N178W TO 51N164E SW WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 64N162W 994 MB 

AND SECOND CENTER 59N160W 992 MB. WITHIN 240 NM W QUADRANT OF 

FIRST CENTER WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 

180 NM E AND SE OF A FRONT FROM 57N156W TO 50N163W TO 45N171W 

WINDS 20 TO 30 KT. SEAS TO 12 FT.  



.SYNOPSIS AND FORECAST. 



.WITHIN 300 NM W AND NW OF A LINE FROM 37N133W TO 43N128W TO 

49N127W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 

.24 HOUR FORECAST WITHIN 300 NM W AND NW OF A LINE FROM 34N136W 

TO 40N130W TO 48N125W N TO NE WINDS 20 TO 30 KT. SEAS TO 10 FT. 

.48 HOUR FORECAST FROM 47N TO 51N BETWEEN 125W AND 129W NW WINDS 

20 TO 30 KT. SEAS TO 9 FT. 



.COMPLEX LOW WITH MAIN CENTER 44N160W 1020 MB MOVING NE 10 KT. 

WITHIN 180 NM NW SEMICIRCLE AND 300 NM S AND SE QUADRANTS WINDS 

TO 25 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST LOW 46N157W 1018 MB. WITHIN 180 NM NW 

SEMICIRCLE AND 240 NM S AND SE QUADRANTS WINDS TO 25 KT. SEAS TO 

8 FT. 

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.



.NW OF A LINE FROM 46N160E TO 54N170E SW WINDS TO 25 KT. SEAS TO 

8 FT. 

.24 HOUR FORECAST CONDITIONS NOTED ABOVE.



.48 HOUR FORECAST WITHIN 60 NM NW OF A LINE FROM 38N160W TO 

34N170W TO 30N178E NE WINDS TO 25 KT. SEAS TO 8 FT. 



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

44N169E TO 48N179W TO 65N168W AND FROM 52N TO 54N BETWEEN 139W 

AND 142W.

.24 HOUR FORECAST DENSE FOG FROM 47N TO 62N W OF 168W. 

.48 HOUR FORECAST DENSE FOG FROM 44N TO 54N W OF 166W. 



.HIGH 42N144W 1033 MB MOVING SW 05 KT. 

.24 HOUR FORECAST HIGH 42N146W 1029 MB. 

.48 HOUR FORECAST HIGH 42N145W 1025 MB. 



.HIGH 50N151W 1029 MB MOVING NE 10 KT. 

.24 HOUR FORECAST HIGH 51N148W 1025 MB. 

.48 HOUR FORECAST HIGH 48N140W 1023 MB. 



.HIGH 46N168E 1029 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 46N175W 1032 MB MOVING SW 15 KT. 

.24 HOUR FORECAST HIGH 43N178E 1033 MB. 

.48 HOUR FORECAST HIGH 42N175E 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 SAT AUG 20.

24 HOUR FORECAST VALID 0000 UTC SUN AUG 21.

48 HOUR FORECAST VALID 0000 UTC MON AUG 22.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 19.2N 112.4W 1000 MB AT 0300 UTC AUG 20

MOVING NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 45 KT

GUSTS 50 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 NM 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 90

NM SE OF A LINE FROM 18N114W TO 13N118W WINDS 20 KT OR LESS.

SEAS TO 8 FT IN SW TO W SWELL.

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 20.3N 113.7W. 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 21.4N 115.5W. MAXIMUM

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

WITHIN 40 NM OF CENTER. 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 22.4N 117.5W. 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 23.1N

119.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.5N

122.0W. 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 0230 UTC SAT AUG 20...



.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 90 NM SW

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

SEMICIRCLES. SCATTERED MODERATE ISOLATED STRONG WITHIN 30 NM 

OF 21N112W.



.SCATTERED MODERATE ISOLATED STRONG FROM 14N TO 19N BETWEEN

104W AND 107W.  



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



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 10N85W TO 09N95W TO09N106W. IT

RESUMES TO THE SOUTHWEST OF KAY AT 16N117W TO 13N126W TO 15N132W

TO 13N140W. SCATTERED MODERATE/ISOLATED STRONG ALONG THE W

PART OF THE FIRST TROUGH SEGMENT FROM 09N TO 11N BETWEEN 105W

AND 107W. SCATTERED MODERATE FROM 06N TO 09N BETWEEN 80W AND

86W. SIMILAR ACTIVITY WITHIN 120 NM S OF THE AXIS BETWEEN 135W

AND 138W...AND ALSO WITHIN 30 NM N OF THE AXIS BETWEEN 135W AND 

138W.



.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.



NATIONAL WEATHER SERVICE HONOLULU HI

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



SYNOPSIS VALID 0000 UTC AUG 20 2016.

24 HOUR FORECAST VALID 0000 UTC AUG 21 2016.

48 HOUR FORECAST VALID 0000 UTC AUG 22 2016.



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.COMPLEX LOW WITH PRIMARY CENTER NEAR 13N161E 1007 MB MOVING W 

15 KT AND SECONDARY LOW CENTER NEAR 10N168E 1009 MB MOVING NW 20 

KT. SCATTERED MODERATE TO STRONG TSTMS WITHIN A POLYGON BOUND BY 

25N160E 18N176E 00N168E 03N160E 25N160E. 

.24 HOUR FORECAST PRIMARY CENTER JUST W OF FORECAST AREA NEAR 

14N155W 1008 MB. SECONDARY CENTER NEAR 15N162E 1006 MB WITH 

TROUGH TO 19N165E. 

.48 HOUR FORECAST PRIMARY CENTER FAR W OF FORECAST AREA. 

SECONDARY CENTER DISSIPATED. TROUGH FROM 21N160E TO 23N163E. 



.TROUGH FROM 17N179E TO 24N177W. 

.24 HOUR FORECAST TROUGH FROM 21N174E TO 26N176E. 

.48 HOUR FORECAST TROUGH FROM 23N172E TO 27N172E. 



.TROUGH FROM 22N171E TO 28N175E. 

.24 HOUR FORECAST TROUGH 24N165E 28N170E. 

.48 HOUR FORECAST TROUGH DISSIPATED. 



.TROPICAL WAVE...WITH AXIS FROM 15N140W TO 21N141W...MOVING W 15 

KT. ISOLATED MODERATE TSTMS WITHIN 90 NM EITHER SIDE OF WAVE 

AXIS. 



.MONSOON TROUGH FROM 13N144W TO 11N153W TO 12N160W. SCATTERED 

MODERATE TO STRONG TSTMS WITHIN 180 NM EITHER SIDE OF TROUGH 

AXIS E OF 153W. ISOLATED MODERATE TSTMS WITHIN 90 NM EITHER SIDE 

OF TROUGH AXIS W OF 153W. 



.TROPICAL WAVE...WITH AXIS FROM 08N168W TO 16N167W...MOVING NW 

10 KT. SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM EITHER 

SIDE OF WAVE AXIS. ALSO ISOLATED MODERATE TSTMS ELSEWHERE FROM 

18N TO 03N BETWEEN 176W AND 163W. 



$$ 



.FORECASTER BEDAL. HONOLULU HI.

