

823 

FZPN01 KWBC 112217 CCA

HSFEP1



HIGH SEAS FORECAST...CORRECTED FIRST WARNING HEADLINE 

NWS OCEAN PREDICTION CENTER WASHINGTON DC 

2230 UTC THU AUG 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1800 UTC AUG 11. 

24 HOUR FORECAST VALID 1800 UTC AUG 12. 

48 HOUR FORECAST VALID 1800 UTC AUG 13. 



.WARNINGS. 



...GALE WARNING... 

.POST-TROPICAL OMAIS 56N174E 984 MB MOVING E 20 KT. OVER 

FORECAST WATERS WITHIN 360 NM S SEMICIRCLE AND 300 NM NE 

QUADRANT WINDS 25 TO 40 KT. SEAS 10 TO 23 FT...HIGHEST S 

SEMICIRCLE. ALSO WITHIN 600 NM S...720 NM SE AND 480 NM NE 

QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 20 FT...HIGHEST S AND SE 

QUADRANTS. 

.24 HOUR FORECAST POST-TROPICAL OMAIS 56N169W 989 MB. WITHIN 360 

NM S AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 22 FT. ALSO 

WITHIN 600 NM S AND 300 NM NW SEMICIRCLES WINDS 20 TO 30 KT. 

SEAS 8 TO 16 FT.  

.48 HOUR FORECAST POST-TROPICAL OMAIS 56N160W 990 MB. WITHIN 480 

NM S AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ALSO 

WITHIN 600 NM SW SEMICIRCLE WINDS TO 25 KT. SEAS 8 TO 12 FT.



...GALE WARNING...

.LOW 55N150W 1009 MB MOVING NE 10 KT. WITHIN 240 NM E OF A FRONT 

FROM 56N148W TO 45N156W WINDS TO 25 KT. SEAS TO 11 FT.

.24 HOUR FORECAST LOW 59N148W 1007 MB. FROM 48N TO 60N BETWEEN 

138W AND 143W WINDS 20 TO 30 KT. SEAS TO 11 FT.

.30 HOUR FORECAST LOW 59N149W 1006 MB. BETWEEN 140W AND A LINE 

FROM 60N145W TO 57N143W WINDS 25 TO 35 KT. SEAS TO 12 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.     



.SYNOPSIS AND FORECAST. 



.OVER FORECAST WATERS FROM 39N TO 50N BETWEEN 124W AND 130W AREA 

OF N TO NW WINDS TO 25 KT. SEAS TO 8 FT.

.24 HOUR FORECAST FROM 41N TO 50N BETWEEN 125W AND 129W N TO NW 

WINDS TO 25 KT. SEAS TO 8 FT. 

.48 HOUR FORECAST LITTLE CHANGE. 



.LOW S OF AREA 29N178W 1011 MB MOVING NW 15 KT. OVER FORECAST 

WATERS WITHIN 360 NM N AND NE QUADRANTS WINDS 20 TO 30 KT. SEAS 

TO 11 FT. 

.24 HOUR FORECAST LOW 33N175E 1014 MB. WITHIN 300 NM N 

SEMICIRCLE WINDS TO 25 KT. SEAS TO 10 FT.

.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED. 



.24 HOUR FORECAST FROM 30N TO 34N BETWEEN 160E AND 164E AREA OF 

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

.48 HOUR FORECAST FROM 30N TO 38N BETWEEN 160E AND 164E E TO SE 

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



.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N 

BETWEEN 160E AND 167E...WITHIN 240 NM N OF A LINE FROM 49N151W 

TO 52N145W TO 51N139W...AND FROM 46N TO 51N BETWEEN 136W AND 

140W.

.24 HOUR FORECAST DENSE FOG FROM 43N TO 48N BETWEEN 160E AND 

177W...ALSO WITHIN 90 NM OF 48N140W. 

.48 HOUR FORECAST DENSE FOG WITHIN THE REGION BOUNDED BY A LINE 

FROM 50N160E TO 46N176E TO 41N160E TO 50N160E...ALSO WITHIN 120 

NM OF 47N139W. 



.HIGH 46N141W 1032 MB MOVING SE 10 KT. 

.24 HOUR FORECAST HIGH 44N138W 1029 MB. 

.48 HOUR FORECAST HIGH DISSIPATED. 



.HIGH 38N169W 1027 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH 38N170W 1028 MB. 



.HIGH 42N174W 1027 MB NEARLY STATIONARY. 

.24 HOUR FORECAST LITTLE CHANGE. 

.48 HOUR FORECAST HIGH MERGED WITH HIGH 38N170W DESCRIBED ABOVE. 



.24 HOUR FORECAST NEW HIGH 38N149W 1028 MB. 

.48 HOUR FORECAST HIGH 37N149W 1029 MB. 



.24 HOUR FORECAST HIGH NW OF AREA 54N163E 1019 MB. 

.48 HOUR FORECAST HIGH 51N173E 1025 MB. 



.48 HOUR FORECAST NEW HIGH 45N172E 1028 MB. 



.FORECASTER REINHART. 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 THU AUG 11.

24 HOUR FORECAST VALID 1800 UTC FRI AUG 12.

48 HOUR FORECAST VALID 1800 UTC SAT AUG 13.



.WARNINGS.



.NONE. 



.SYNOPSIS AND FORECAST.



.FROM 10N TO 12N BETWEEN 87W AND 90W NE TO E WINDS 20 TO 25 KT.

SEAS TO 8 FT.

.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.



.30 HOUR FORECAST LOW PRES NEAR 14N130W 1010 MB. FROM 14N TO 16N

BETWEEN 127W AND 130W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE TO

E SWELL. 

.36 HOUR FORECAST LOW PRES NEAR 14N131W 1010 MB. FROM 15N TO 17N

BETWEEN 127W AND 132W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E

SWELL.  

.48 HOUR FORECAST LOW PRES NEAR 14N132W 1010 MB. FROM 15N TO 17N

BETWEEN 129W AND 134W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E

SWELL.



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



CONVECTION VALID AT 2100 UTC THU AUG 11...



.TROPICAL WAVE AXIS FROM 10N107W TO 17N107W...SCATTERED

MODERATE ISOLATED STRONG FROM 12N TO 17N BETWEEN 106W AND 111W.



.LOW PRES NEAR 13N125W 1012 MB...SCATTERED MODERATE ISOLATED

STRONG FROM 10N TO 14N BETWEEN 123W AND 130W. 



.SCATTERED MODERATE WITHIN 30 NM OF 12N129W AND 14N127W. 



.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...



MONSOON TROUGH AXIS EXTENDS FROM 08N78W TO 09N90W TO 11N107W TO

10N113W TO 13N118W TO LOW PRES NEAR 13N125W 1012 MB TO LOW PRES

NEAR 10N137W 1012 MB AND TO BEYOND 10N140W. SCATTERED MODERATE

ISOLATED STRONG FROM 08N TO 11N BETWEEN 86W AND 93W. SIMILAR

CONVECTION IS FROM 09N TO 13N BETWEEN 101W AND 104W AND WITHIN

120 NM S OF TROUGH BETWEEN 107W AND 113W. 



$$

.FORECASTER GR. NATIONAL HURRICANE CENTER.

