000
FZPN03 KNHC 260315
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PAN PAN

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

SYNOPSIS VALID 0000 UTC WED SEP 26.
24 HOUR FORECAST VALID 0000 UTC THU SEP 27.
48 HOUR FORECAST VALID 0000 UTC FRI SEP 28.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MIRIAM NEAR 19.1N 115.2W 983 MB AT 0300 UTC SEP 26 
MOVING NW OR 310 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 70 KT 
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NW AND SE 
QUADRANTS...90 NM NE QUADRANT AND 70 NM SW QUADRANT.  SEAS 12 FT 
OR GREATER WITHIN 180 NM OF CENTER EXCEPT 240 NM NW QUADRANT 
WITH SEAS TO 27 FT.
.12 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 19.8N 115.6W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.24 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 21.0N 115.7W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 70 NM NW AND SE QUADRANTS...80 NM NE QUADRANT AND 
60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE...90 
NM SE... 200 NM SW QUADRANT AND 240 NM NW QUADRANT WITH SEAS TO 
22 FT.
.48 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 22.9N 116.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM E SEMICIRCLE...30 NM SW QUADRANT AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NE...45 NM SE... 
150 NM SW QUADRANT AND 180 NM NW QUADRANT WITH SEAS TO 19 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 23.5N
117.0W. 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 24.0N
117.5W. 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 240 NM NW AND 180 NM 
SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 12 FT. 
ELSEWHERE FROM 11N TO 27N BETWEEN 110W AND 123W 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 210 
NM OF CENTER...EXCEPT 180 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS 
TO 12 FT. ELSEWHERE FROM 10N TO 25N BETWEEN 110W AND 123W 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 180 
NM NW AND 150 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. 
SEAS TO 12 FT. ELSEWHERE FROM 05N TO 27N BETWEEN 100W AND 128W 
WINDS 20 KT OR LESS. SEAS TO 10 FT IN BROAD MIX OF SWELL.

.FROM 13N TO 17N W OF 132W NE TO E WINDS 20 TO 25 KT. SEAS 8 
TO 11 FT IN MIXED NW SWELL AND NE WIND WAVES. ELSEWHERE W OF 
LINE 30N119W TO 27N119W TO 04N140W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN NW 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 N OF 26N BETWEEN 122W AND 133W WINDS LESS THAN 
20 KT. SEAS 8 FT IN SE SWELL. FROM 06N TO 15N W OF 135W WINDS 20 
KT OR LESS. SEAS 8 TO 10 FT IN BROAD MIX OF SWELL.

.24 HOUR FORECAST LOW PRES NEAR 14N106.5W 1006 MB. FROM 120 TO 
310 NM NE QUADRANT AND FROM 120 TO 360 NM SE QUADRANT OF LOW 
WINDS 20 TO 25 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST LOW PRES DISSIPATED. FROM 15N TO 21N BETWEEN 
105W AND 108W SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. FROM 09N 
TO 15N BETWEEN 106W AND 113W SW WINDS 20 TO 25 KT. SEAS TO 9 FT.

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

CONVECTION VALID AT 0230 UTC THU SEP 26...

.HURRICANE MIRIAM SCATTERED TO NUMEROUS STRONG WITHIN 150 NM NW 
AND 180 NM SE SEMICIRCLES. SCATTERED MODERATE ISOLATED STRONG 
ELSEWHERE WITHIN 210 NM N SEMICIRCLE.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM COLOMBIA NEAR 08N76W TO 10N85W TO 
11.5N96W TO LOW PRES NEAR 11.5N103.5W 1007 MB TO 11N109W...WHERE 
IT FRACTURES...THEN RESUMES FROM S OF MIRIAM NEAR 15N115W TO 
12.5N129W...WHERE IT TRANSITIONS TO ITCZ...CONTINUING ON TO 
BEYOND 11N140W.  SCATTERED MODERATE ISOLATED STRONG S OF TROUGH 
TO 05.5N E OF 94W. SCATTERED MODERATE TO STRONG FROM 07N TO 14N 
BETWEEN 96W AND 111W.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.