000
FZPN03 KNHC 091544
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SAT AUG 09.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 10.
48 HOUR FORECAST VALID 1200 UTC MON AUG 11.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE HERNAN NEAR 15.7N 123.3W 956 MB AT 1500 UTC AUG 09
MOVING WNW OR 295 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 105 KT
GUSTS 130 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...90 NM SW QUADRANT AND 150 NM NW QUADRANT WITH SEAS
TO 33 FT.
.24 HOUR FORECAST HURRICANE HERNAN NEAR 16.8N 125.9W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST HURRICANE HERNAN NEAR 17.6N 128.7W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM N SEMICIRCLE AND 75 NM S SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 180 NE AND WITHIN 90 NM SW SEMICIRCLES WITH SEAS 
TO 28 FT.
.72 HOUR FORECAST TROPICAL STORM HERNAN NEAR 18.0N 131.0W.
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 136.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS...WITHIN 420 NM NE AND 210 NM SW 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 480 NM NE 
AND 210 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 420 NM NE 
AND 210 NM SW SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.LOW PRES NEAR 11N94W 1008 MB. WITHIN 240 NM NE SEMICIRCLE E 
WINDS TO 20 KT. SEAS TO 8 FT.  
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...11N97W 
1007 MB. FROM 10N TO 14N BETWEEN 88W AND 96W E WINDS TO 20 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...12N100W 
1006 MB. WITHIN 210 NM NE SEMICIRCLE E TO SE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. 

.S OF 04N BETWEEN 92W AND 104W WINDS LESS THAN 20 KT. SEAS TO 8 
FT IN S SWELL.
.24 HOUR FORECAST FROM 01N TO 06N BETWEEN 93W AND 105W WINDS 
LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL. S OF 05N BETWEEN 81W 
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 22N W OF 130W NE WINDS TO 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 10N TO 17N W OF 135W NE TO E WINDS 20 KT. 
SEAS TO 8 FT.
.48 HOUR FORECAST FROM 12N TO 17N W OF 135W WINDS LESS THAN 20 
KT. SEAS TO 8 FT.

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

.CONVECTION VALID 1500 UTC SAT AUG 09.

.HURRICANE HERNAN...NUMEROUS STRONG WITHIN 30 NM OF CENTER.
SCATTERED MODERATE TO STRONG CONVECTION ELSEWHERE WITHIN 75 NM 
NW AND 180 NM SE SEMICIRCLES.

.LOW PRES NEAR 11N94W...SCATTERED MODERATE TO STRONG FROM 12N TO 
15N BETWEEN 94W AND 97W. 

.INTERTROPICAL CONVERGENCE ZONE...AXIS FROM 09N84W TO 11N100W TO 
13N103W TO 13N115W TO 16N123W TO 11N140W. SCATTERED MODERATE 
FROM 04N TO 06N BETWEEN 78W TO 89W. SCATTERED MODERATE WITHIN 
120 NM N OF AXIS BETWEEN 112W AND 115W. SCATTERED MODERATE 
WITHIN 90 NM OF AXIS W OF 135W.

$$
.FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.