NWS Forecast

FZPN03 KNHC 072219
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC THU AUG 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 1800 UTC THU AUG 07.
24 HOUR FORECAST VALID 1800 UTC FRI AUG 08.
48 HOUR FORECAST VALID 1800 UTC SAT AUG 09.

.WARNINGS.

HURRICANE WARNING

.TROPICAL STORM HERNAN NEAR 14.8N 116.7W 992 MB AT 2100 UTC AUG
07 MOVING WNW OR 285 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM OF CENTER.
SEAS 12 FT OR GREATER WITHIN 60 NM OF CENTER EXCEPT 90 NM NE
QUADRANT WITH SEAS TO 21 FT.
.24 HOUR FORECAST HURRICANE HERNAN NEAR 15.8N 119.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 75 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE...90 NM
NW AND SE QUADRANTS AND 60 NM SW QUADRANT WITH SEAS TO 28 FT.
.48 HOUR FORECAST HURRICANE HERNAN NEAR 17.1N 123.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. LITTLE CHANGE IN RADIUS OF
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. SEAS
TO 28 FT.
.72 HOUR FORECAST TROPICAL STORM HERNAN NEAR 18.0N 126.5W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM HERNAN NEAR 19.0N 130.0W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST REMNANT LOW HERNAN NEAR 19.0N 133.5W. MAXIMUM
SUSTAINED WINDS 25 KT GUSTS 35 KT.

.SYNOPSIS AND FORECAST.

EXCEPT AS NOTED IN WARNINGS
WITHIN 270 NM N AND 180 NM S
SEMICIRCLE OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
ELSEWHERE FROM 06N TO 13N BETWEEN 105W AND 123W SW WINDS 20 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS WITHIN 300 NM N
AND 210 NM S SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS LITTLE CHANGE IN
WINDS AND SEAS.

.S OF LINE 00N100W TO 10N115W TO 00N135W S WINDS TO 20 KT. SEAS
TO 8 FT IN S SWELL.
.24 HOUR FORECAST S OF LINE 00N100W TO 07N120W TO 00N130W S
WINDS TO 20 KT. SEAS TO 8 FT IN S SWELL.
.48 HOUR FORECAST S OF LINE 00N96W TO 04N100W TO 00N110W WINDS
LESS THAN 20 KT. SEAS TO 8 FT IN S SWELL.

.FROM 12N TO 26N W OF 130W NE WINDS 20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 12N TO 20N W OF 132W NE WINDS 20 KT. SEAS
TO 9 FT.
.48 HOUR FORECAST FROM 10N TO 18N W OF 132W NE WINDS 20 KT. SEAS
TO 9 FT.

FROM 10N TO 12N E OF 88W
INCLUDING GULF OF PAPAGAYO...E WINDS
20 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.

48 HOUR FORECAST FROM 11N TO 12N E OF 92W
INCLUDING GULF OF
PAPAGAYO...E WINDS 20 KT. SEAS TO 8 FT.

.REMAINDER OF AREA WINDS LESS THAN 20 KT. SEAS LESS THAN 8 FT.

.CONVECTION VALID 2145 UTC THU AUG 07.

TROPICAL STORM HERNAN
NUMEROUS STRONG WITHIN 90 NM NE
SEMICIRCLE. SCATTERED MODERATE ISOLATED STRONG ELSEWHERE WITHIN
120 NM NE AND 180 NM SW SEMICIRCLES. 

INTERTROPICAL CONVERGENCE ZONE
7N79W 6N88W 10N103W 15N110W
12N120W 10N130W 10N140W. SCATTERED MODERATE TO STRONG CONVECTION
IS WITHIN 120 NM S OF THE AXIS BETWEEN 82W-90W. SIMILAR
CONVECTION EXISTS  WITHIN 60 NM OF THE AXIS W OF 138W. SCATTERED
MODERATE/ISOLATED STRONG CONVECTION IS WITHIN 180 NM S OF THE
AXIS BETWEEN 100W AND 103W...AND ALSO N OF THE AXIS BETWEEN
97W-101W. SCATTERED MODERATE CONVECTION IS WITHIN 60 NM S OF THE
AXIS BETWEEN 125W-130W.

.FORECASTER COBB. TROPICAL PREDICTION CENTER.