000
FZPN03 KNHC 171600 CCB
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED AUG 17.
24 HOUR FORECAST VALID 1200 UTC THU AUG 18.
48 HOUR FORECAST VALID 1200 UTC FRI AUG 19.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM GREG NEAR 16.7N 104.2W 1000 MB AT 1500 UTC AUG
17 MOVING WNW OR 300 DEG AT 18 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S 
SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW QUADRANT.  SEAS TO 12
FT WITHIN 0 NM S SEMICIRCLE...50 NM NE QUADRANT AND 40 NM NW 
QUADRANT.
.24 HOUR FORECAST HURRICANE GREG NEAR 18.4N 109.4W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM N SEMICIRCLE...75 NM SE QUADRANT AND 60 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN AREA OF TROPICAL STORM 
FORCE WINDS WITH SEAS TO 23 FT.
.48 HOUR FORECAST HURRICANE GREG NEAR 19.4N 113.6W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM N SEMICIRCLE...90 NM SE QUADRANT AND 75 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NE AND 120 NM SW 
SEMICIRCLES WITH SEAS TO 27 FT.
.72 HOUR FORECAST HURRICANE GREG NEAR 20.0N 116.5W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM GREG NEAR 20.5N 119.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION GREG NEAR 20.5N 122.0W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

...TROPICAL STORM WARNING...
.TROPICAL STORM FERNANDA NEAR 11.8N 137.8W 1001 MB AT 1500 UTC
AUG 17 MOVING W OR 275 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 45
KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E
SEMICIRCLE AND 45 NM W SEMICIRCLE.  SEAS 12 FT OR GREATER WITHIN
120 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE WITH SEAS TO 17 FT.
.24 HOUR FORECAST TROPICAL STORM FERNANDA NEAR 13.0N 140.3W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM N AND 45 NM S SEMICIRCLES WITH SEAS TO 18 FT. 
.48 HOUR FORECAST TROPICAL STORM FERNANDA NEAR 14.9N 143.7W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE
WINDS WITHIN 75 NM NW AND SE QUADRANTS...70 NM NE QUADRANT AND 
60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NE AND 90 SW 
SEMICIRCLES WITH SEAS TO 15 FT.
.72 HOUR FORECAST TROPICAL STORM FERNANDA NEAR 15.2N 146.2W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.5N
151.7W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW FERNANDA NEAR 16.5N
155.0W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN GREG WARNING...WITHIN 120 NM N AND 60 NM S 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN GREG WARNING...WITHIN 120 
NM N AND 90 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 12 FT. 
.48 HOUR FORECAST EXCEPT AS NOTED IN GREG WARNING...WITHIN 210 
NM N AND 150 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 
FT. 

.EXCEPT AS NOTED IN FERNANDA WARNING...WITHIN 300 NM NW AND 150 
NM SE SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 10 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN FERNANDA WARNING...OVER 
FORECAST WATERS WITHIN 270 NM NW AND WITHIN 180 NM SE 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN FERNANDA WARNING...OVER 
FORECAST WATERS WITHIN 300 NM N AND 180 NM S SEMICIRCLES WINDS 
20 TO 33 KT. SEAS 8 TO 12 FT.

.LOW PRES 14N114W 1007 MB. WITHIN 360 NM SE AND 210 NM NW 
SEMICIRCLES WINDS 20 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW PRES 14N118W 1008 MB. FROM 08N TO 14N 
BETWEEN 109W AND 121W S TO SW WINDS 20 TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW PRES DISSIPATING NEAR 12.5N123W. WITHIN 
120 NM NW AND 480 NM SE SEMICIRCLES WINDS 20 KT. SEAS TO 10 FT. 
ELSEWHERE FROM 14N TO 21N BETWEEN 108W AND 116W SW WINDS 20 TO 
25 KT. SEAS TO 9 FT.  

.ELSEWHERE S OF 14N BETWEEN 100W AND 114W WINDS LESS THAN 20 KT. 
SEAS TO 8 FT IN S SWELL.
.24 HOUR FORECAST ELSEWHERE FROM 08N TO 21N BETWEEN 106W AND 
120W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL.
.48 HOUR FORECAST ELSEWHERE FROM 10N TO 20N BETWEEN 110W AND 
120W 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 WED AUG 17...
.TROPICAL STORM FERNANDA...SCATTERED MODERATE WITHIN 120 NM E 
AND 90 NM W SEMICIRCLES.

.TROPICAL STORM GREG...SCATTERED TO NUMEROUS STRONG WITHIN 120 
NM OF CENTER. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N786W TO 09N85W TO 11N94W...THEN RESUMES 
FROM 15N110W TO LOW PRES 14N114W TO 11N123W TO 13N130W. 
SCATTERED MODERATE ISOLATED STRONG WITHIN 150 NM S OF AXIS FROM 
116W TO 129W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.