

058 

FZPN01 KWBC 200950

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

1030 UTC SAT AUG 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC AUG 20. 

24 HOUR FORECAST VALID 0600 UTC AUG 21. 

48 HOUR FORECAST VALID 0600 UTC AUG 22. 



.WARNINGS. 



...GALE WARNING... 

.WITHIN 180 NM E AND SE OF A LINE FROM 64N166W TO 59N174W SW 

WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 65N165W 998 MB 

AND SECOND CENTER 62N165W 998 MB. WITHIN 120 NM W QUADRANT OF 

FIRST CENTER AND 240 NM SE AND S OF A LINE FROM 59N162W TO 

54N171W TO 52N170E TO 50N161E W TO SW WINDS 20 TO 30 KT. SEAS TO 

10 FT. 

.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 65N162W 992 MB 

AND SECOND CENTER 60N159W 992 MB. WITHIN 240 NM W QUADRANT OF 

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

120 NM E AND SE OF A LINE FROM 57N156W TO 52N158W TO 46N165W 

WINDS 20 TO 30 KT. SEAS TO 11 FT. 



.SYNOPSIS AND FORECAST. 



.WITHIN 180 NM W AND NW OF A LINE FROM 38N134W TO 46N127W TO 

50N126W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST WITHIN 360 NM W AND NW OF A LINE FROM 33N138W 

TO 41N128W TO 50N126W 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 

TO 25 KT. SEAS TO 8 FT. 



.LOW 45N159W 1020 MB MOVING NE 10 KT. WITHIN 180 NM NW 

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

8 FT. 

.24 HOUR FORECAST LOW 48N155W 1018 MB. WITHIN 180 NM W 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.NW OF A LINE FROM 49N167E TO 54N172E SW WINDS TO 25 KT. SEAS TO 

8 FT. 

.24 HOUR FORECAST CONDITIONS NOTED ABOVE. 



.24 HOUR FORECAST WITHIN 60 NM N AND NW OF A LINE FROM 37N164W 

TO 35N171W TO 32N175W E TO NE WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST WITHIN 60 NM NW OF A LINE FROM 36N162W TO 

35N169W TO 31N178W E TO NE WINDS TO 25 KT. SEAS TO 8 FT. 



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

44N168E TO 53N175W TO 65N168W AND FROM 52N TO 54N BETWEEN 132W 

AND 138W. 

.24 HOUR FORECAST DENSE FOG FROM 46N TO 62N W OF 168W AND FROM 

47N TO 49N BETWEEN 150W AND 154W. 

.48 HOUR FORECAST DENSE FOG FROM 43N TO 54N W OF 166W. 



.HIGH 43N145W 1033 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH 42N146W 1028 MB. 

.48 HOUR FORECAST HIGH 43N144W 1024 MB. 



.HIGH 50N149W 1029 MB MOVING E 10 KT. 

.24 HOUR FORECAST HIGH 50N144W 1025 MB. 

.48 HOUR FORECAST HIGH 46N138W 1023 MB. 



.HIGH 44N177W 1031 MB MOVING SW 15 KT. 

.24 HOUR FORECAST HIGH 43N176E 1032 MB. 

.48 HOUR FORECAST HIGH 42N172E 1029 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 SAT AUG 20.

24 HOUR FORECAST VALID 0600 UTC SUN AUG 21.

48 HOUR FORECAST VALID 0600 UTC MON AUG 22.



.WARNINGS.



...TROPICAL STORM WARNING...

.TROPICAL STORM KAY NEAR 19.5N 113.0W 1000 MB AT 0900 UTC AUG 20

MOVING NW OR 310 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 45 KT

GUSTS 55 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 90 NM OF CENTER EXCEPT 45 NM SW QUADRANT

WITH SEAS TO 16 FT. ELSEWHERE WITHIN 90 NM S SEMICIRCLE AND 120

NM N SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 

.24 HOUR FORECAST TROPICAL STORM KAY NEAR 20.6N 114.4W. 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 E SEMICIRCLE AND 60 NM W

SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.48 HOUR FORECAST TROPICAL STORM KAY NEAR 21.7N 116.2W. MAXIMUM

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

WITHIN 40 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 45 NM OF

CENTER WITH SEAS TO 14 FT. ELSEWHERE WITHIN 120 NM E SEMICIRCLE

AND WITHIN 90 NM W SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.72 HOUR FORECAST TROPICAL DEPRESSION KAY NEAR 22.5N 118.5W.

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 23.2N

121.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

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

123.0W. 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 0830 UTC SAT AUG 20...



.TROPICAL STORM KAY...NUMEROUS STRONG WITHIN 120 NM S SEMICIRCLE

AND WITHIN 30 NM N SEMICIRCLE.



.SCATTERED MODERATE TO STRONG FROM 21N TO 23N BETWEEN 105W AND

106W.



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

MONSOON TROUGH ALONG 08N78W TO 10N85W, TO 1011 MB LOW PRESSURE

NEAR 10N104W, TO 08N107W. MONSOON TROUGH STARTS AGAIN FROM

16N119W, TO 13N128W, TO 13N132W, BEYOND 12N140W. NO SIGNIFICANT

CONVECTION. 



$$

.FORECASTER MT. NATIONAL HURRICANE CENTER.

