000
FZPN03 KNHC 101535
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN AUG 10.
24 HOUR FORECAST VALID 1200 UTC MON AUG 11.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 12.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HERNAN NEAR 17.7N 126.6W 975 MB AT 1500 UTC AUG 10
MOVING WNW OR 300 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 80 KT
GUSTS 100 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM OF CENTER
EXCEPT 120 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 240 NM
NE QUADRANT...210 NM SE QUADRANT...90 NM SW QUADRANT...AND 150
NM NW QUADRANT WITH SEAS TO 34 FT.
.24 HOUR FORECAST TROPICAL STORM HERNAN NEAR 18.5N 129.1W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 90 NM 
OF N SEMICIRCLE AND 75 NM S SEMICIRCLE WITH SEAS TO 28 FT.
.48 HOUR FORECAST TROPICAL STORM HERNAN NEAR 18.0N 131.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 60 NM OF CENTER. SEAS 12 FT OR GREATER WITHIN 120 
NM NW SEMICIRCLE WITH SEAS TO 20 FT.
.72 HOUR FORECAST TROPICAL STORM HERNAN NEAR 17.2N 134.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM HERNAN NEAR 16.5N 136.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION HERNAN NEAR 16.0N 140.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN HERNAN WARNING...WITHIN 300 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 N 
AND 150 NM S 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 13N111W 1008 MB. WITHIN 180 NM NW QUADRANT WINDS 
TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N113W 1008 MB. WITHIN 180 NM N SEMICIRCLE WINDS TO 20 KT. SEAS 
TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N116W 1008 MB. WITHIN 180 NM NE AND 60 NM SW SEMICIRCLES WINDS 
TO 20 KT. SEAS TO 8 FT.

.LOW PRES NEAR 13N95W 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 14N98W 1011 MB. WITHIN 60 NM N 
QUADRANT E WINDS TO 20 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES NEAR 15N103W 1011 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 06N BETWEEN 92W AND 101W 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 17N W OF 135W NE WINDS TO 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 15N TO 18N W OF 138W E WINDS TO 20 KT. 
SEAS TO 9 FT IN NE SWELL.
.36 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 1500 UTC SUN AUG 10.

.HURRICANE HERNAN...SCATTERED MODERATE ISOLATED STRONG WITHIN 90 
SE SEMICIRCLE. 

.SCATTERED MODERATE WITHIN 90 NM OF LOW PRES NEAR 13N95W. 

.SCATTERED MODERATE N OF 14N BETWEEN 100W AND 104W.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 07N78W TO 06N84W TO 
10N96W TO 10N103W TO 16N119W TO 13N140W. SCATTERED MODERATE 
ISOLATED STRONG N OF 04N E OF 80W. LOW PRES NEAR 13N11W ALONG 
ITCZ WITH SCATTERED MODERATE WITHIN 150 NM NW SEMICIRCLE. 

$$
.FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.