

443 

FZPN01 KWBC 040402

HSFEP1



HIGH SEAS FORECAST 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

0430 UTC THU AUG 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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). 



PAN PAN 



PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 

TO 50N 160E 



SYNOPSIS VALID 0000 UTC AUG 04. 

24 HOUR FORECAST VALID 0000 UTC AUG 05. 

48 HOUR FORECAST VALID 0000 UTC AUG 06. 



.WARNINGS. 



...GALE WARNING... 

.FROM 37N TO 43N BETWEEN 124W AND 128W AREA OF N WINDS 25 TO 35 

KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 35N TO 45N BETWEEN 124W AND 

131W AREA OF N WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.24 HOUR FORECAST FROM 40N TO 44N BETWEEN 124W AND 128W AREA OF 

N WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE FROM 36N TO 50N 

BETWEEN 123W AND 131W AREA OF N WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 36N TO 43N BETWEEN 123W AND 127W AREA OF 

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



.SYNOPSIS AND FORECAST. 



.LOW 51N173E 1008 MB MOVING E 20 KT. WITHIN 360 NM S QUADRANT 

WINDS 20 TO 30 KT. SEAS TO 10 FT.  

.24 HOUR FORECAST LOW 49N174W 1010 MB. WITHIN 360 NM S AND SW 

QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 55N164W 1007 MB. FROM 45N TO 55N BETWEEN 

162W AND 153W WINDS 20 TO 30 KT. SEAS TO 10 FT. 



.LOW 53N172W 1011 MB MOVING NE 10 KT. FRONT FROM 55N162W TO 

45N168W. WITHIN 240 NM E OF FRONT WINDS TO 25 KT. SEAS LESS THAN 

8 FT.  

.24 HOUR FORECAST LOW 57N168W 1008 MB. WITHIN 300 NM E OF A LINE 

FROM 58N153W TO 55N158W TO 47N164W AREA OF S TO SW WINDS 20 TO 

30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST LOW 58N168W 1003 MB. WITHIN 360 NM NW QUADRANT 

WINDS TO 25 KT. SEAS LESS THAN 8 FT. 



.24 HOUR FORECAST W OF A LINE FROM 50N170E TO 46N170E TO 40N160E 

AREA OF S TO SW WINDS 20 TO 30 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST WITHIN 360 NM S OF A LINE FROM 50N177W TO 

49N170E TO 47N160E AREA OF SW WINDS 20 TO 30 KT. SEAS TO 12 FT. 



.24 HOUR FORECAST FROM 30N TO 33N BETWEEN 160E AND 165E AREA OF 

SE WINDS TO 25 KT. SEAS TO 9 FT. 

.48 HOUR FORECAST FROM 30N TO 35N BETWEEN 160E AND 169E AREA OF 

E TO SE WINDS 20 TO 30 KT. SEAS TO 10 FT. 



.48 HOUR FORECAST FROM 47N TO 56N BETWEEN 130W AND 138W AREA OF 

NW WINDS 20 TO 30 KT. SEAS TO 9 FT.



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 56N 

BETWEEN 140W AND 170W AND N OF 42N W OF 176W. 

.24 HOUR FORECAST DENSE FOG FROM 44N TO 57N BETWEEN 140W AND 

171W AND W AND NW OF A LINE FROM 38N160E TO 45N170W TO 50N177W 

TO 52N172E TO 55N177E TO 59N180W. 

.48 HOUR FORECAST DENSE FOG FROM 44N TO 56N BETWEEN 146W AND 

163W AND FROM 38N TO 54N W OF 175W. 



.HIGH 45N148W 1040 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH 45N148W 1037 MB. 

.48 HOUR FORECAST HIGH 45N147W 1035 MB. 



.HIGH 38N179E 1028 MB NEARLY STATIONARY. 

.24 HOUR FORECAST HIGH 38N178W 1027 MB. 

.48 HOUR FORECAST HIGH 37N177W 1027 MB. 



.FORECASTER ROWLAND. 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 THU AUG 04.

24 HOUR FORECAST VALID 0000 UTC FRI AUG 05.

48 HOUR FORECAST VALID 0000 UTC SAT AUG 06.



.WARNINGS.



...HURRICANE WARNING...

.TROPICAL STORM IVETTE NEAR 14.6N 123.4W 1004 MB AT 0300 UTC AUG

04 MOVING W OR 275 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 40 KT

GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM N

SEMICIRCLE...40 NM SE QUADRANT AND 30 NM SW QUADRANT. SEAS 12 FT

OR GREATER WITHIN 90 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH

SEAS TO 13 FT. ELSEWHERE WITHIN 210 NM NE AND 30 NM SW

SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.

.24 HOUR FORECAST TROPICAL STORM IVETTE NEAR 14.9N 128.2W.

MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE

WINDS WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...40 NM SW

QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

120 NM NE AND 30 SW SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE

WITHIN 210 NM NE AND 120 NM SW SEMICIRCLES WINDS 20 TO 33 KT.

SEAS 8 TO 11 FT.

.48 HOUR FORECAST HURRICANE IVETTE NEAR 15.5N 132.5W. MAXIMUM

SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS

WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW

QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN

120 NM NW SEMICIRCLE AND NE QUADRANT AND 90 NM SE QUADRANT WITH

SEAS TO 24 FT. ELSEWHERE WITHIN 240 NM NW SEMICIRCLE AND NE

QUADRANT AND 150 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 8 TO 11

FT.

.72 HOUR FORECAST HURRICANE IVETTE NEAR 16.7N 136.3W. MAXIMUM

SUSTAINED WINDS 75 KT GUSTS 90 KT.

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

.96 HOUR FORECAST HURRICANE IVETTE NEAR 18.0N 140.0W. MAXIMUM

SUSTAINED WINDS 65 KT GUSTS 80 KT.

.120 HOUR FORECAST TROPICAL STORM IVETTE NEAR 19.0N 143.0W.

MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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.



.POST-TROPICAL REMNANT LOW HOWARD NEAR 21N135W. MAXIMUM

SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN

180 NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO 18 FT. ELSEWHERE

WITHIN 300 NM NW AND NE QUADRANTS...150 NM SE AND 270 NM SW

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

.24 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD W OF AREA

NEAR 22N140W. OVER FORECAST WATERS FROM 23N TO 26N W OF 139W NE

TO E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE OVER

FORECAST WATERS FROM 21N TO 29N W OF 137W WINDS 20 KT OR LESS.

SEAS 8 TO 11 FT.

.48 HOUR FORECAST POST-TROPICAL REMNANT LOW HOWARD W OF AREA

NEAR 22N146W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

OVER FORECAST WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.GULF OF TEHUANTEPEC N OF 14.5N BETWEEN 94.5W AND 95.5W N WINDS

20 TO 25 KT. SEAS TO 9 FT.

.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N SWELL.

.18 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 WED AUG 4...



.TROPICAL STORM IVETTE...NUMEROUS MODERATE SCATTERED STRONG

WITHIN 120 NM SW SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG

ELSEWHERE FROM 11N TO 18N BETWEEN 120W AND 125W. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...

DISCONTINUOUS MONSOON TROUGH FROM 10N98W TO LOW PRES 10N107W

1013 MB TO 08N110W TO 09N114W. ITCZ FROM 13N138W TO BEYOND

12N140W. NUMEROUS MODERATE SCATTERED STRONG WITHIN 60 NM EITHER

SIDE OF LINE FROM 15N93W TO 09N85W. SCATTERED MODERATE ISOLATED

STRONG FROM 07N TO 12N BETWEEN 104W AND 114W AND FROM 08N TO 12N

BETWEEN 117W AND 135W.



$$

.FORECASTER MCELROY. NATIONAL HURRICANE CENTER.

