000
FZPN03 KNHC 261554
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1200 UTC WED SEP 26.
24 HOUR FORECAST VALID 1200 UTC THU SEP 27.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 28.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM MIRIAM NEAR 20.0N 115.7W 992 MB AT 1500 UTC SEP 
26 MOVING NNW OR 330 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 55 KT 
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...70 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 180 NM E SEMICIRCLE AND 
210 NM W SEMICIRCLE WITH SEAS TO 23 FT.
.24 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 22.0N 116.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NE QUADRANT...50 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
WITHIN 150 NM OF CENTER EXCEPT 120 NM SW QUADRANT WITH SEAS TO 
18 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 23.0N 
117.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 23.2N
117.4W. 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 MIRIAM NEAR 23.4N 
117.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 MIRIAM WARNING...WITHIN 210 NM OF CENTER 
EXCEPT 180 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS TO 12 FT. 
ELSEWHERE FROM 11N TO 27N BETWEEN 110W AND 120W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN MIRIAM WARNING...WITHIN 180 
NM OF CENTER EXCEPT 150 NM SW QUADRANT WINDS 20 TO 33 KT. SEAS 
TO 12 FT. ELSEWHERE FROM 15N TO 26N BETWEEN 110W AND 122W WINDS 
20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL. 
.48 HOUR FORECAST EXCEPT AS NOTED IN MIRIAM WARNING...WITHIN 150 
NM OF CENTER EXCEPT 120 NM SW QUADRANT WINDS 20 TO 25 KT. SEAS 
TO 11 FT. ELSEWHERE FROM 20N TO 28N BETWEEN 114W AND 122W WINDS 
20 KT OR LESS. SEAS TO 10 FT IN BROAD MIX OF SWELL.

.FROM 12N TO 17N W OF 132W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
10 FT IN MIXED NW SWELL AND NE WIND WAVES. ELSEWHERE N OF 20N 
BETWEEN 110W AND 130W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
PRIMARILY NW SWELL. ELSEWHERE FROM 07N TO 20N W OF 110W WINDS 20 
KT OR LESS. SEAS 8 TO 11 FT IN PRIMARILY MERGING NW AND SW SWELL.
.24 HOUR FORECAST ELSEWHERE N OF 07N W OF 110W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN PRIMARILY MERGING NW AND SW SWELL.
.48 HOUR FORECAST S OF 13N BETWEEN 105W AND 122W WINDS LESS THAN 
20 KT. SEAS 8 TO 10 FT IN PRIMARILY MERGING NW AND SW SWELL.

.24 HOUR FORECAST LOW PRES NEAR 16N108W 1007 MB. FROM O8N TO 15N 
BETWEEN 104W AND 112W SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
FROM 15N TO 19N BETWEEN 103 AND 107W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN PRIMARILY MERGING NW AND SW SWELL. 
.48 HOUR FORECAST LOW PRES DISSIPATED. TROUGH FROM 19N111W TO 
13N116W. SE OF TROUGH FROM 10N TO 15N BETWEEN 105W AND 116W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 

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

CONVECTION VALID AT 1445 UTC WED SEP 26...

.T.S. MIRIAM NUMEROUS MODERATE TO STRONG FROM 19N TO 24N BETWEEN 
114W AND 118W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 09N84W TO 09N90W TO 13N100W TO 1007 
MB LOW PRES NEAR 12N104W TO 13N108W WHERE IT FRACTURES...THEN 
RESUMES FROM S OF MIRIAM NEAR 14N117W TO 12N120W TO BEYOND 
10N140W. SCATTERED MODERATE FROM 05N TO 11N BETWEEN 85W AND 98W. 
SCATTERED MODERATE TO ISOLATED STRONG FROM 07N TO 17N BETWEEN 
100W AND 110W. SCATTERED MODERATE FROM 11N TO 14N BETWEEN 113W 
AND 117W.

$$
.FORECASTER FORMOSA. NATIONAL HURRICANE CENTER.