000
FZPN03 KNHC 092113
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT AUG 09 2008
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

SYNOPSIS VALID 1800 UTC SAT AUG 09.
24 HOUR FORECAST VALID 1800 UTC SUN AUG 10.
48 HOUR FORECAST VALID 1800 UTC MON AUG 11.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HERNAN NEAR 16.2N 124.0W 956 MB AT 2100 UTC AUG 09
MOVING WNW OR 300 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N 
SEMICIRCLE AND 100 NM S SEMICIRCLE. SEAS 12 FT OR GREATER WITHIN 
240 NM E SEMICIRCLE...100 NM SW QUADRANT AND 150 NM NW QUADRANT 
WITH SEAS TO 38 FT.
.24 HOUR FORECAST HURRICANE HERNAN NEAR 17.4N 126.7W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM OF CENTER EXCEPT 75 NM SW QUADRANT. SEAS 12 FT OR 
GREATER WITHIN 180 NM E SEMICIRCLE...75 NM SW AND 125 NM NW 
QUADRANTS WITH SEAS TO 31 FT.
.48 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.8N 129.3W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM N SEMICIRCLE AND 75 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 150 NM N SEMICIRCLE...75 NM SW AND 90 NM SE 
QUADRANTS WITH SEAS TO 23 FT.
.72 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.8N 131.5W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.5N 133.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 16.5N 136.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS...WITHIN 360 NM E AND 240 NM W 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 360 NM E 
AND 210 NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 330 NM N 
AND 180 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.LOW PRES NEAR 11N96W 1008 MB. WITHIN 240 NM NE SEMICIRCLE E 
WINDS 20 KT. SEAS TO 8 FT.  
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...14N97W 
1007 MB. WITHIN 240 NM N SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...16N101W 
1006 MB. OVER FORECAST WATERS WITHIN 240 NM N SEMICIRCLE WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT. 

.S OF 04N BETWEEN 92W AND 105W WINDS LESS THAN 20 KT. SEAS TO 8 
FT IN S SWELL.
.24 HOUR FORECAST S OF 06N BETWEEN 95W AND 108W WINDS LESS THAN 
20 KT. SEAS TO 8 FT IN S SWELL. S OF 05N BETWEEN 80W AND 85W S 
WINDS TO 20 KT. SEAS TO 8 FT IN S SWELL. 
.48 HOUR FORECAST FROM 02N TO 08N S WINDS TO 20 KT. SEAS TO 8 FT 
IN S SWELL. 

.FROM 10N TO 21N W OF 132W NE WINDS TO 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 10N TO 18N W OF 135W NE TO E WINDS 20 KT. 
SEAS TO 9 FT.
.48 HOUR FORECAST WIND LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

.CONVECTION VALID 2115 UTC SAT AUG 09.

.HURRICANE HERNAN...NUMEROUS STRONG CONVECTION NOTED WITHIN 60 
NM OF CENTER. SCATTERED MODERATE TO STRONG CONVECTION IS NOTED 
ELSEWHERE WITHIN 80 NM NW SEMICIRCLE AND WITHIN 180 NM OVER THE 
SE SEMICIRCLE. 

.LOW PRES NEAR 11N96W...SCATTERED MODERATE TO STRONG FROM 11N TO 
15N BETWEEN 91W AND 94W. 

.INTERTROPICAL CONVERGENCE ZONE...AXIS FROM 06N77W TO 05N90W TO 
11N105W TO 15N120W TO 10N130W TO 12N140W. SCATTERED MODERATE TO 
STRONG CONVECTION IS WITHIN 90 NM OF 06.5N81W. SCATTERED 
MODERATE TO STRONG CONVECTION IS WITHIN 75 NM OF 12.5N92.5W. 
SCATTERED MODERATE WITH ISOLATED STRONG CONVECTION IS WITHIN 60 
NM OF 14.5N107.5W AND 15N115W. SCATTERED MODERATE WITH ISOLATED 
STRONG CONVECTION IS WITHIN 90 NM OF 13N137W.

$$
.FORECASTER COBB. TROPICAL PREDICTION CENTER.