000
FZPN03 KNHC 140351
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU AUG 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

SYNOPSIS VALID 0000 UTC THU AUG 14.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 15.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 16.

.WARNINGS.
...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE AT 17.4N 107.7W 1003 MB AT 0300 UTC AUG 
14 MOVING W-NW OR 295 DEG AT 10 KT.  MAXIMUM SUSTAINED WIND 35 
GUSTS 45 KT.  TROPICAL STORM FORCE WIND WITHIN 30 NM OF CENTER. 
SEAS 12 FT OR GREATER WITHIN 30 NM OF CENTER WITH SEAS TO 13 FT.
.24 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 18.4N 110.3W. 
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.  TROPICAL STORM FORCE 
WIND WITHIN 40 NM OF CENTER.  LITTLE CHANGE TO WIND AND SEAS 
CONDITIONS WITH SEAS TO 14 FT.
.48 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 19.8N 112.5W. 
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.  LITTLE CHANGE IN RADIUS 
OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 20.5N 114.0W. 
MAXIMUM SUSTAINED WIND 40 GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 21.0N 115.5W. 
MAXIMUM SUSTAINED WIND 35 GUSTS 45 KT.
.120 HOUR FORECAST  TROPICAL DEPRESSION ISELLE NEAR 21.0N 117.0W.
MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNING...WITHIN 150 NM N AND 45 NM S 
SEMICIRCLES  WIND TO 33 KT.  SEAS TO 12 FT.
.24 HOUR FORECAST  EXCEPT AS NOTED IN WARNING...WITHIN 180 NM N 
AND 90 NM S SEMICIRCLES  WIND TO 33 KT.  SEAS TO 12 FT.
.48 HOUR FORECAST  WITHIN 210 NM N AND 150 NM S SEMICIRCLES  
WIND TO 33 KT.  SEAS TO 12 FT.

.LOW PRES 14N119W 1009 MB. WITHIN 180 NM NW AND 60 NM SE 
SEMICIRCLES  WIND TO 20 KT. SEAS TO 8 FT.  FROM 09N TO 12N 
BETWEEN 117W AND 125W  W WIND 20 KT.  SEAS 8 FT.
.24 HOUR FORECAST  LOW PRES NEAR 14N123W 1010 MB.  WITHIN 120 NM 
NW AND 60 SE SEMICIRCLES  WIND 20 KT.  SEAS 8 FT.  FROM 09N TO 
12N BETWEEN 115W AND 124W  SW WIND 20 KT.  SEAS TO 9 FT.
.48 HOUR FORECAST  LOW PRES NEAR 14N126W 1011 MB.  WITHIN 90 NM 
N SEMICIRCLE  E WIND 20 KT.  SEAS 8 FT.  FROM 09N TO 12N BETWEEN 
116W AND 124W  SW WIND 20 KT.  SEAS TO 9 FT. 

.REMNANT LOW PRES OF HERNAN AT 17N138W 1011 MB.  WITHIN 300 NM 
NW AND WITHIN 120 NM SW QUADRANTS  WIND 20 TO 30 KT.  SEAS 12 FT.
.24 HOUR FORECAST  LOW PRES 16N142W 1013 MB.  WITHIN 210 NM NW 
SEMICIRCLE OVER FORECAST WATERS  WIND 20 TO 25 KT.  SEAS 10 FT. 
.48 HOUR FORECAST  LOW PRES NEAR 15N145W 1013 MB.  WIND LESS 
THAN 20 KT.  SEAS LESS THAN 8 FT.   

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

.CONVECTION VALID 0315 UTC THU AUG 14.
.SCATTERED MODERATE TO STRONG WITHIN 60 NM OF CENTER OF TROPICAL 
STORM ISELLE.

.LOW PRES AT 14N119W...SCATTERED MODERATE ISOLATED STRONG W 
QUADRANT OF LOW PRES CENTER.

.INTERTROPICAL CONVERGENCE ZONE...AXIS 09N83W TO 13N114W TO 
14N131W 10N140W.  SCATTERED MODERATE WITHIN 180 NM OF AXIS FROM 
105W TO 113W.  ISOLATED MODERATE WITHIN 90 NM S OF AXIS E OF 87W.

$$
.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.