000
FZPN03 KNHC 230305
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN SEP 23 2012

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN SEP 23.
24 HOUR FORECAST VALID 0000 UTC MON SEP 24.
48 HOUR FORECAST VALID 0000 UTC TUE SEP 25.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MIRIAM AT 14.9N 108.5W 1002 MB AT 0300 UTC SEP 
23 MOVING W-NW OR 300 DEG AT 7 KT. MAXIMUM SUSTAINED WIND 40 
GUSTS 50 KT. TROPICAL STORM FORCE WIND WITHIN 60 NM E SEMICIRCLE 
AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 125 NM E 
SEMICIRCLE AND 45 NM W SEMICIRCLE WITH SEAS TO 16 FT.
.24 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 16.8N 111.3W. 
MAXIMUM SUSTAINED WIND 60 GUSTS 75 KT. TROPICAL STORM FORCE 
WIND WITHIN 80 NM E SEMICIRCLE...50 NM SW QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM E AND 90 NM W 
SEMICIRCLES WITH SEAS TO 20 FT.
.48 HOUR FORECAST HURRICANE MIRIAM NEAR 18.5N 114.3W. MAXIMUM 
SUSTAINED WIND 80 GUSTS 100 KT. TROPICAL STORM FORCE WIND WITHIN 
110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 90 NM SW 
QUADRANT. SEAS 12 FT OR GREATER 180 N AND 150 S SEMICIRCLES 
WITH SEAS TO 22 FT.
.72 HOUR FORECAST HURRICANE MIRIAM NEAR 19.4N 116.0W. MAXIMUM 
SUSTAINED WIND 75 GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 20.3N 117.0W. 
MAXIMUM SUSTAINED WIND 60 GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 21.5N 118.0W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.EXCEPT AS NOTED IN WARNINGS...WITHIN 300 NM NE AND 240 NM SW 
SEMICIRCLES OF CENTER WINDS TO 33 KT. SEAS TO 10 FT. 
ELSEWHERE FROM 05N TO 10N BETWEEN 103W AND 117W S TO SW WINDS 
20 TO 25 KT. SEAS TO 9 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 330 NM 
NE SEMICIRCLE AND 240 NM SE QUADRANT OF CENTER WINDS TO 33 KT. 
SEAS TO 11 FT. ELSEWHERE FROM 09N TO 12N BETWEEN 102W AND 112W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 300 NM 
NE AND 210 NM SW SEMICIRCLES OF CENTER WINDS TO 33 KT. SEAS TO 
11 FT. ELSEWHERE FROM 10N TO 13N BETWEEN 106W AND 117W WINDS 
20 KT OR LESS. SEAS TO 9 FT IN BROAD MIX OF SWELL.

.FROM 10N TO 15N W OF 136W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 08N TO 17N W OF 133W WINDS 20 KT OR 
LESS. SEAS 8 FT IN NE SWELL. 
.48 HOUR FORECAST CONDITIONS MERGE WITH PARAGRAPH BELOW.

.24 HOUR FORECAST NW OF LINE 30N134W TO 25N140W WINDS 20 KT OR 
LESS. SEAS TO 11 FT IN NW SWELL.
.48 HOUR FORECAST W OF LINE 30N122W TO 10N130W TO 00N115W 
WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SE AND NW SWELL.

.WITHIN 30 NM OF LINE FROM 16N95W TO 13N96W...INCLUDING GULF OF 
TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 30 NM OF LINE FROM 16N95W TO 15N95W TO 
13N96W...INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 
KT. SEAS TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID AT 0300 SUN SEP 23...

.T.S. MIRIAM AT 14.9N 108.5W SCATTERED MODERATE TO STRONG WITHIN 
240 NM N AND 180 NM S SEMICIRCLES OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N86W TO 10N96W TO 12N101W THEN 
RESUMES FROM 12N110W TO 09N130W THEN ITCZ 09N136W TO BEYOND 
09N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 180 NM S AND 
90 NM N OF TROUGH AXIS FROM 90W TO 100W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 120 NM OF ITCZ AXIS W OF 133W.

$$
.FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.