000
FZPN03 KNHC 222133
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SAT SEP 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SAT SEP 22.
24 HOUR FORECAST VALID 1800 UTC SUN SEP 23.
48 HOUR FORECAST VALID 1800 UTC MON SEP 24.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MIRIAM AT 14.3N 107.8W 1003 MB AT 2100 UTC SEP 
22 MOVING W-NW OR 300 DEG AT 8 KT.  MAXIMUM SUSTAINED WIND 35 
GUSTS 45 KT.  TROPICAL STORM FORCE WIND WITHIN 60 NM SE QUADRANT.
.24 HOUR FORECAST  TROPICAL STORM MIRIAM NEAR 16.1N 110.2W. 
MAXIMUM SUSTAINED WIND 60 GUSTS 75 KT.  TROPICAL STORM FORCE 
WINDS WITHIN 60 NM OF CENTER EXCEPT 40 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 90 NM N AND 60 NM S SEMICIRCLES WITH SEAS 
TO 14 FT.
.48 HOUR FORECAST  HURRICANE MIRIAM NEAR 18.2N 113.3W.
MAXIMUM SUSTAINED WIND 80 GUSTS 100 KT.  TROPICAL STORM FORCE 
WIND WITHIN 90 NM NW AND SE QUADRANTS...100 NM NE QUADRANT AND 
70 NM SW QUADRANT.  SEAS 12 FT OR GREATER 120 NM FROM CENTER 
EXCEPT 90 NM SW QUADRANT WITH SEAS TO 18 FT.
.72 HOUR FORECAST  HURRICANE MIRIAM NEAR 19.3N 115.2W.
MAXIMUM SUSTAINED WIND 75 GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM MIRIAM NEAR 20.2N 116.1W. 
MAXIMUM SUSTAINED WIND 60 GUSTS 75 KT.
.120 HOUR FORECAST  TROPICAL STORM MIRIAM NEAR 21.5N 117.0W. 
MAXIMUM SUSTAINED WIND 50 GUSTS 60 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.

.30 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 2100 SAT SEP 22...

.T.S. MIRIAM AT 14.3N 107.8W  SCATTERED MODERATE TO STRONG 
WITHIN 180 NM N AND 120 NM S SEMICIRCLES OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N84W TO 08N887W TO 10N94W TO 
09N97W TO 12N101W THEN RESUMES FROM 15N116W TO 09N129W THEN ITCZ 
08N134W TO 09N138W TO BEYOND 08N140W.  SCATTERED MODERATE 
ISOLATED STRONG WITHIN 180 NM S AND 90 NM N OF TROUGH AXIS FROM 
88W TO 100W.  SCATTERED MODERATE ISOLATED STRONG WITHIN 90 NM OF 
ITCZ AXIS W OF 133W.

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.