000
FZPN03 KNHC 191519
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC FRI AUG 19.
24 HOUR FORECAST VALID 1200 UTC SAT AUG 20.
48 HOUR FORECAST VALID 1200 UTC SUN AUG 21.

.WARNINGS.

...TROPICAL STORM WARNING...

.TROPICAL STORM GREG NEAR 19.1N 115.7W 991 MB AT 1500 UTC AUG 19 
MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 
65 KT. TROPICAL STORM FORCE WINDS WITHIN 75 NM N SEMICIRCLE...65 
NM SE QUADRANT AND 50 NM SW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 180 NM NE QUADRANT...60 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 24 FT.
.24 HOUR FORECAST TROPICAL STORM GREG NEAR 19.3N 119.6W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 60 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW 
QUADRANT. LITTLE CHANGE IN RADIUS OF TROPICAL STORM FORCE WINDS 
AND SEAS 12 FT OR GREATER TO 18 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW GREG NEAR 18.8N
122.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS 12 FT OR 
GREATER WITHIN 60 NM N SEMICIRCLE WITH SEAS TO 15 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW GREG NEAR 18.3N 
125.7W. 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 1500 UTC FRI AUG 19...
.TROPICAL STORM GREG...SCATTERED MODERATE TO WITHIN 120 NM OF 
CENTER. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 1008 MB LOW PRES NEAR 12N100W THEN 
RESUMES FROM 16N119W TO 11N140W. SCATTERED MODERATE TO ISOLATED 
STRONG CONVECTION IS WITHIN 150 NM S OF TROUGH BETWEEN 117W AND 
123W. SCATTERED MODERATE CONVECTION IS ALSO NOTED FROM 06N TO 
09N BETWEEN 82W AND 88W.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.