000
FZPN03 KNHC 102118
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN AUG 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 10.
24 HOUR FORECAST VALID 1800 UTC MON AUG 11.
48 HOUR FORECAST VALID 1800 UTC TUE AUG 12.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HERNAN NEAR 18.2N 127.5W 980 MB AT 2100 UTC AUG 10
MOVING WNW OR 295 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM N
SEMICIRCLE AND 100 NM S SEMICIRCLE.  SEAS 12 FT OR GREATER
WITHIN 240 NM NE QUADRANT...180 NM SE QUADRANT...90 NM SW
QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 31 FT.
.24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 18.5N 130.2W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 75 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 150 
NM NW AND 75 NM SE SEMICIRCLES WITH SEAS TO 21 FT.
.48 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.9N 133.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N SEMICIRCLE AND 45 NM S SEMICIRCLE. SEAS 12 
FT OR GREATER WITHIN 120 NM NW AND 60 NM SE SEMICIRCLES WITH 
SEAS TO 16 FT.
.72 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.0N 135.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 16.5N 138.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 16.0N 142.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN HERNAN WARNING...WITHIN 360 NM NE SEMICIRCLE 
AND 240 NM SW SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 300 NM NW 
AND 120 NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 300 NM NW 
SEMICIRCLES WIND 20 TO 33 KT. SEAS 8 TO 12 FT. WITHIN 120 NM SE 
SEMICIRCLE WINDS 20 TO 25 KT. SEAS TO 9 FT.

.LOW PRES NEAR 14N112W 1008 MB. WITHIN 180 NM NW SEMICIRCLE 
WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N113W 1008 MB. WITHIN 180 NM N SEMICIRCLE WINDS 20 KT. SEAS TO 
8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N116W 1008 MB. WITHIN 180 NM NE AND 60 NM SW SEMICIRCLES WINDS 
20 KT. SEAS TO 8 FT.

.LOW PRES NEAR 13N97W 1010 MB. FROM 11N TO 14N BETWEEN 90W AND 
95W E TO SE WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N99W 1011 MB. WITHIN 90 NM N 
SEMICIRCLE E WINDS 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 15N104W 1010 MB. WINDS LESS THAN 
20 KT. SEAS LESS THAN 8 FT.

.S OF 06N BETWEEN 92W AND 107W S TO SW WINDS TO 20 KT. SEAS TO 8 
FT.
.24 HOUR FORECAST S OF 07N BETWEEN 92W AND 105W S WINDS TO 20 
KT. SEAS TO 8 FT. 
.48 HOUR FORECAST FROM 03N TO 09N BETWEEN 105W AND 120W S TO SW 
WINDS TO 20 KT. SEAS TO 8 FT. 

.FROM 12N TO 18N W OF 136W NE WINDS TO 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

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

.CONVECTION VALID 2100 UTC SUN AUG 10.

.HURRICANE HERNAN...NUMEROUS STRONG CONVECTION WITHIN 120 NM 
E AND 75 NM W SEMICIRCLES. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE WITHIN 150 NM OF THE CENTER.

.SCATTERED MODERATE WITHIN 90 NM OF THE POINT 15N102W.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 07N77W TO 09N100W TO 
13N115W TO 12N140W. SCATTERED MODERATE TO STRONG CONVECTION IS 
WITHIN 60 NM OF THE POINT 08N80W. SCATTERED MODERATE WITH 
ISOLATED STRONG CONVECTION IS WITHIN 75 NM OF 06N82W.  

$$
.FORECASTER COBB. TROPICAL PREDICTION CENTER.