

778 

FZPN01 KWBC 191530

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1630 UTC FRI AUG 19 2016 



SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC AUG 19. 

24 HOUR FORECAST VALID 1200 UTC AUG 20. 

48 HOUR FORECAST VALID 1200 UTC AUG 21. 



.WARNINGS. 



.NONE. 



.SYNOPSIS AND FORECAST. 



.WITHIN 360 NM W OF A LINE FROM 36N134W TO 46N124W TO 53N130W N 

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

.24 HOUR FORECAST WITHIN 240 NM W OF A LINE FROM 35N136W TO 

48N126W TO 53N130W N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

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

TO 25 KT. SEAS TO 9 FT. 



.FRONT EXTEND FROM 43N158W TO LOW 40N163W 1022 MB MOVING NE 10 

KT TO SECOND LOW 37N168W 1018 MB NEARLY STATIONARY TO 33N171W. 

WITHIN 60 NM EITHER SIDE OF THE FRONT WINDS TO 25 KT. SEAS TO 8 

FT.

.24 HOUR FORECAST LOW 45N159W 1022 MB. WITHIN 120 NM EITHER SIDE 

OF A FRONT FROM 49N152W TO LOW CENTER TO 37N162W WINDS TO 25 KT. 

SEAS TO 8 FT. 

.48 HOUR FORECAST LOW 46N156W 1019 MB. CONDITIONS DIMINISHED. 



.24 HOUR FORECAST N OF THE ALEUTIAN ISLANDS SW WINDS 20 TO 30 

KT. SEAS TO 9 FT. 

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

FROM MAIN CENTER OF COMPLEX LOW 60N166W 997 MB TO 54N172W TO 

51N162E WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.24 HOUR FORECAST FROM 48N TO 54N BETWEEN 160E AND 176E WINDS TO 

25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST CONDITIONS NOTED ABOVE. 



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

53N142W AND W OF A LINE FROM 61N177W TO 52N180W TO 45N170E.

.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 47N174W TO 65N167W.

.48 HOUR FORECAST DENSE FOG FROM 46N TO 58N W OF 168W. 



.HIGH 44N144W 1034 MB MOVING SW 05 KT. 

.24 HOUR FORECAST HIGH 42N146W 1030 MB. 

.48 HOUR FORECAST HIGH 42N148W 1028 MB. 



.HIGH 57N141W 1026 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 48N155W 1030 MB MOVING NE 15 KT. 

.24 HOUR FORECAST HIGH 51N149W 1027 MB. 

.48 HOUR FORECAST HIGH 51N147W 1023 MB. 



.HIGH 45N165E 1028 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH ABSORBED BY HIGH 44N177W. 



.HIGH 46N178W 1031 MB MOVING SE 05 KT. 

.24 HOUR FORECAST HIGH 44N177W 1032 MB. 

.48 HOUR FORECAST HIGH 43N176E 1032 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 1200 UTC FRI AUG 19.

24 HOUR FORECAST VALID 1200 UTC SAT AUG 20.

48 HOUR FORECAST VALID 1200 UTC SUN AUG 21.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 19.1N 111.5W 1002 MB AT 1500 UTC AUG

19 MOVING NW OR 320 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 35 KT

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

SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW QUADRANT. SEAS 12

FT OR GREATER WITHIN 60 NM E SEMICIRCLE AND 45 NM W SEMICIRCLE

WITH SEAS TO 14 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 20.5N 112.6W. MAXIMUM

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

WITHIN 40 NM NE AND SW QUADRANTS...30 NM NW QUADRANT AND 50 NM

SE QUADRANT. SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER WITH

SEAS TO 16 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 21.6N 113.6W. MAXIMUM

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

WITHIN 30 NM E SEMICIRCLE AND 20 NM W SEMICIRCLE. SEAS 12 FT OR

GREATER WITHIN 45 NM OF CENTER WITH SEAS TO 12 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 DEPRESSION KAY NEAR 22.2N 114.7W.

MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

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

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

116.5W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.120 HOUR FORECAST POST-TROPICAL REMNANT LOW KAY NEAR 23.7N

118.9W. 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.



.TROPICAL WAVE ALONG 140W FROM 10N TO 19N. WITHIN AREA BOUNDED

BY 18N137W TO 19N138W TO 19N140W TO 17N140W TO 17N138W TO

18N137W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED SWELL.

.09 HOUR FORECAST TROPICAL WAVE W OF AREA. WINDS 20 KT OR LESS.

SEAS LESS THAN 8 FT.



.WITHIN AREA BOUNDED BY 02S102W TO 02S105W TO 03.4S108W TO

03.4S99W TO 02S102W WINDS 20 KT OR LESS. SEAS 8 FT IN SW SWELL.

.06 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 1445 UTC FRI AUG 19...



.TROPICAL STORM KAY...NUMEROUS MODERATE ISOLATED STRONG WITHIN

300 NM SW QUADRANT. SCATTERED MODERATE ELSEWHERE WITHIN 120 NM

OF CENTER.



.SCATTERED MODERATE FROM 19N TO 22.5N E OF 109W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH AXIS EXTENDS FROM 09N78W TO 10N90W TO 08N100W

THEN RESUMES FROM 15N114W TO 13N125W TO 10N134W TO 11N138W.

SCATTERED MODERATE WITHIN 150 NM S OF AXIS E OF 84W...FROM 10N

TO 12.5N BETWEEN 90W AND 97W...WITHIN 90 NM W OF A LINE FROM 

19N104W TO 15N105W TO 12N106W...AND WITHIN 90 NM EITHER SIDE 

OF AXIS BETWEEN 118W AND 132W.



$$

.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

