099 
FZPN03 KNHC 042100
HSFEP2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL 
2230 UTC MON SEP 03 2018

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC TUE SEP 04.
24 HOUR FORECAST VALID 1800 UTC WED SEP 05.
48 HOUR FORECAST VALID 1800 UTC THU SEP 06.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE OLIVIA NEAR 16.9N 119.2W 959 MB AT 2100 UTC SEP 04 
MOVING W OR 270 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 105 KT 
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM OF CENTER.
 SEAS 12 FT OR GREATER WITHIN 150 NM E SEMICIRCLE AND 120 NM W 
SEMICIRCLE WITH SEAS TO 30 FT. ELSEWHERE WITHIN 180 NM OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 11N 
TO 21N BETWEEN 112W AND 121W WINDS 20 KT OR LESS. SEAS 8 TO 10 
FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE OLIVIA NEAR 17.4N 123.2W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM E SEMICIRCLE AND 80 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 210 NM N AND 180 NM S SEMICIRCLES WITH SEAS TO 38 
FT. ELSEWHERE WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 
TO 11 FT. REMAINDER OF AREA FROM 10N TO 23N BETWEEN 115W AND 
128W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST HURRICANE OLIVIA NEAR 19.0N 128.5W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 240 NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 37 
FT. ELSEWHERE WITHIN 210 NM OF CENTER WINDS 20 TO 33 KT. SEAS 10 
TO 11 FT. REMAINDER OF AREA FROM 10N TO 27N BETWEEN 118W AND 
135W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.  
.72 HOUR FORECAST HURRICANE OLIVIA NEAR 21.0N 134.5W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 22.5N 139.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM OLIVIA NEAR 23.0N 144.0W.
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

.HURRICANE NORMAN W OF AREA. WITHIN AREA BOUNDED BY 30N140W TO 
30N135W TO 20N130W TO 18N130W TO 14N140W TO 30N140W WINDS 20 KT 
OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.NORMAN WELL W OF AREA. FROM 20N TO 22N W OF 139W WINDS 20 KT OR 
LESS. SEAS TO 8 FT IN MIXED SWELL.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.FROM 06N TO 09N BETWEEN 100W AND 108W WINDS 20 KT OR LESS. SEAS 
8 FT IN SW SWELL.
.24 HOUR FORECAST FROM 07N TO 10N BETWEEN 100W AND 108W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FORECAST FROM 08N TO 11N BETWEEN 102W AND 111W WINDS 20 
KT OR LESS. SEAS 8 FT IN SW SWELL.

.06 HOUR FORECAST N OF 29N BETWEEN 126W AND 134W WINDS 20 KT OR 
LESS. SEAS 8 FT IN MIXED SWELL.
.24 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 2100 UTC TUE SEP 04...

.HURRICANE OLIVIA...NUMEROUS MODERATE TO STRONG CONVECTION
WITHIN 75 NM OF CENTER. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE FROM 12N TO 19N BETWEEN 115W AND 123W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N84W TO 09N91W TO 11N99W TO LOW PRES NEAR 
10N105W TO 09N110W. SCATTERED MODERATE ISOLATED STRONG FROM 04N 
TO 09N E OF 91W...FROM 10N TO 13N BETWEEN 90W AND 95W...AND FROM 
08N TO 15N BETWEEN 98W AND 110W.
  
$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.