000
FZPN03 KNHC 191000
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI AUG 19 2011

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI AUG 19.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 20.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 21.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE GREG NEAR 19.1N 115.1W 987 MB AT 0900 UTC AUG 19 
MOVING W OR 280 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 65 KT 
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 75 NM N 
SEMICIRCLE...65 NM SE AND 50 NM SW QUADRANTS.  SEAS 12 FT OR 
GREATER WITHIN 150 NM NE QUADRANT...60 NM SE...80 NM SW...AND 
100 NM NW QUADRANTS WITH SEAS TO 24 FT.
.24 HOUR FORECAST TROPICAL STORM GREG NEAR 19.5N 119.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. SEAS TO 18 
FT.
.48 HOUR FORECAST TROPICAL DEPRESSION GREG NEAR 19.0N 122.5W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER 
WITHIN 60 NM N SEMICIRCLE WITH SEAS TO 15 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION GREG NEAR 18.5N 125.5W.
MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST TROPICAL REMNANT LOW GREG NEAR 18.0N 
128.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GREG WARNING...WITHIN 150 NM NE AND 75 NM SW 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN GREG WARNING...WITHIN 180 
NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN GREG WARNING...WITHIN 150 
NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. 

.WITHIN 240 NM SE OF LINE FROM 13N122W TO 18N114W SW WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT IN SW SWELL.
.24 HOUR FORECAST WITHIN 210 NM SE OF LINE FROM 13N123W TO 
17N116W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN SW SWELL.
.48 HOUR FORECAST FROM 10N TO 16N BETWEEN 115W AND 124W S TO SW 
WINDS 20 KT. SEAS 8 TO 9 FT IN SW SWELL.

.S OF 08N BETWEEN 105W AND 125W WINDS LESS THAN 20 KT. SEAS 8 FT 
IN S SWELL.
.24 HOUR FORECAST S OF 06N BETWEEN 102W AND 120W WINDS LESS THAN 
20 KT. SEAS 8 FT IN S SWELL.
.48 HOUR FORECAST S OF 04N BETWEEN 98W AND 110W WINDS LESS THAN 
20 KT. SEAS TO 8 FT IN S SWELL.
 
.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

CONVECTION VALID AS OF 0900 UTC FRI AUG 19...
.HURRICANE GREG...NUMEROUS MODERATE TO STRONG WITHIN 120 NM N OF 
CENTER. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 12N105W...THEN RESUMES FROM 
17N117W TO 12N130W. SCATTERED MODERATE TO STRONG WITHIN 90 NM OF 
TROUGH BETWEEN 118W AND 126W. SCATTERED MODERATE ISOLATED STRONG 
WITHIN 150 NM N OF TROUGH BETWEEN 97W AND 104W.

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.