000
FZPN03 KNHC 142210
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC THU AUG 14.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 15.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 16.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE AT 17.8N 110.2W 1002 MB AT 2100 UTC AUG 
14 MOVING W-NW OR 300 DEG AT 7 KT.  MAXIMUM SUSTAINED WIND 40 
GUSTS 50 KT.  TROPICAL STORM FORCE WIND WITHIN 40 NM OF CENTER 
EXCEPT 30 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 40 NM OF 
CENTER WITH SEAS TO 15 FT.
.24 HOUR FORECAST  TROPICAL STORM ISELLE NEAR 18.9N 112.4W. 
MAXIMUM SUSTAINED WIND 35 GUSTS 45 KT.  LITTLE CHANGE IN RADIUS 
OF TROPICAL STORM FORCE WIND AND SEAS 12 FT OR GREATER. 
.48 HOUR FORECAST  TROPICAL DEPRESSION ISELLE NEAR 19.8N 114.5W. 
MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.  SEAS 12 FT OR GREATER 
WITHIN 15 NM OF CENTER WITH SEAS TO 12 FT.
.72 HOUR FORECAST  TROPICAL DEPRESSION ISELLE NEAR 20.0N 116.0W. 
MAXIMUM SUSTAINED WIND 30 GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL DEPRESSION ISELLE NEAR 20.0N 117.5W. 
MAXIMUM SUSTAINED WIND 25 GUSTS 35 KT.
.120 HOUR FORECAST  TROPICAL DEPRESSION ISELLE NEAR 20.0N 119.0W.
MAXIMUM SUSTAINED WIND 20 GUSTS 25 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN ISELLE WARNING...WITHIN 90 NM OF CENTER  
WIND TO 33 KT.  SEAS TO 12 FT.
.24 HOUR FORECAST  EXCEPT AS NOTED IN WARNING...WITHIN 150 NM
OF CENTER  WIND TO 33 KT.  SEAS TO 11 FT. 
.48 HOUR FORECAST  EXCEPT AS NOTED IN WARNING...WITHIN 90 NM  OF 
CENTER  WIND 20 TO 30 KT.  SEAS TO 10 FT.

.LOW PRES 15N120W 1010 MB.  WITHIN 120 NM N AND 180 NM S
SEMICIRCLES  WIND 20 TO 25 KT.  SEAS 9 FT.  ELSEWHERE FROM 09N 
TO 12N BETWEEN 113W AND 125W  W WIND 20 TO 25 KT.  SEAS 10 FT.
.24 HOUR FORECAST  LOW PRES NEAR 14N123W 1011 MB.  WITHIN 90 NM 
NW AND 150 NM SE SEMICIRCLES  WIND 20 TO 25 KT.  SEAS 9 FT.
.48 HOUR FORECAST  LOW PRES NEAR 15N126W 1011 MB.  LITTLE CHANGE 
IN WINDS AND SEAS.

.REMNANT LOW PRES OF HERNAN NEAR 16N141W 1011 MB.  OVER FORECAST 
WATERS WITHIN 240 NM SE SEMICIRCLE  WIND 20 TO 25 KT. SEAS 10 FT.
.24 HOUR FORECAST  LOW PRES AND CONDITIONS W OF FORECAST WATERS.
   
.REMAINDER OF AREA  WIND LESS THAN 20 KT.  SEAS LESS THAN 8 FT.

.CONVECTION VALID 2130 UTC THU AUG 14.
.TROPICAL STORM ISELLE...NUMEROUS STRONG CONVECTION WITHIN 120 
NM S AND 60 NM N SEMICIRCLES. 

.LOW PRES NEAR 15N120W...SCATTERED MODERATE ISOLATED STRONG 
WITHIN 120 NM SW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE...07N81W TO 11N93W TO 10N97W TO 
12N107W TO 08N123W TO 12N135W TO 11N140W.  SCATTERED MODERATE 
ISOLATED STRONG WITHIN 90 NM N AND 60 NM S OF AXIS E OF 105W. 

$$
.FORECASTER WALLY BARNES. TROPICAL PREDICTION CENTER.