000
FZPN03 KNHC 141558
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU AUG 14.
24 HOUR FORECAST VALID 1200 UTC FRI AUG 15.
48 HOUR FORECAST VALID 1200 UTC SAT AUG 16.

...TROPICAL STORM WARNING...
.TROPICAL STORM ISELLE NEAR 17.8N 109.4W 999 MB AT 1500 UTC AUG
14 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS 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 19.1N 111.8W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. LITTLE CHANGE IN
RADIUS OF TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER.
SEAS TO 17 FT. 
.48 HOUR FORECAST TROPICAL STORM ISELLE NEAR 20.2N 113.9W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM OF CENTER EXCEPT 40 NM NE QUADRANT. SEAS 12 
FT OR GREATER WITHIN 60 NM OF CENTER WITH SEAS TO 14 FT.
.72 HOUR FORECAST TROPICAL STORM ISELLE NEAR 20.8N 115.4W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 21.0N 116.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION ISELLE NEAR 21.0N 118.0W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN ISELLE WARNING...WITHIN 150 NM OF CENTER 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNING...WITHIN 180 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNING...LITTLE CHANGE.

.LOW PRES 14N120W 1008 MB. WITHIN 150 NM N AND 210 NM S  
SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 FT.  ELSEWHERE FROM 09N TO 
13N BETWEEN 110W AND 125W W WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES NEAR 14N122W 1008 MB. WITHIN 120 NM 
NW AND 240 NM SE SEMICIRCLES WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST LOW PRES NEAR 15N123W 1008 MB. LITTLE CHANGE
IN WINDS AND SEAS.

.REMNANT LOW PRES OF HERNAN NEAR 17N140W 1011 MB. OVER FORECAST 
WATERS WITHIN 300 NM NW SEMICIRCLE WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT.
.24 HOUR FORECAST LOW PRES 16N142W 1012 MB. OVER FORECAST WATERS 
WITHIN 270 NM NE SEMICIRCLE WINDS 20 KT. SEAS TO 9 FT. 
.36 HOUR FORECAST LOW PRES AND CONDITIONS W OF FORECAST WATERS.
   
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CONVECTION VALID 1530 UTC THU AUG 14.

.TROPICAL STORM ISELLE...NUMEROUS STRONG CONVECTION IS NOTED 
WITHIN 180 NM SW QUADRANT. 

.LOW PRES NEAR 14N120W...NUMEROUS STRONG CONVECTION NOTED WITHIN 
180 NM SW QUADRANT.  SCATTERED MODERATE ISOLATED STRONG 
CONVECTION SURROUNDS THE CONVECTIVE BURST ELSEWHERE OUT TO 270 
NM SW QUADRANT.

.INTERTROPICAL CONVERGENCE ZONE...07N78W TO 12N90W TO 10N98W TO 
12N114W TO 10N140W. SCATTERED MODERATE ISOLATED STRONG 
CONVECTION IS NOTED WITHIN 210 NM N AND 120 NM S OF AXIS BETWEEN 
107W AND 116W... WITHIN 90 NM OF AXIS BETWEEN 99W AND 
103W...WITHIN 90 NM FROM 84W TO 88W...AND WITHIN 120 NM S AND 60 
NM N BETWEEN 77W AND 82W. IN ADDITION...NUMEROUS MODERATE TO 
STRONG CONVECTION ASSOCIATED WITH THE LOW PRES SYSTEM AT 14N120W 
CAN BE FOUND WITHIN 180 NM N OF AXIS BETWEEN 120W AND 124W. 

$$
.FORECASTER COBB. TROPICAL PREDICTION CENTER.