000
FZPN03 KNHC 232140
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN SEP 23.
24 HOUR FORECAST VALID 1800 UTC MON SEP 24.
48 HOUR FORECAST VALID 1800 UTC TUE SEP 25.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MIRIAM AT 16.1N 110.5W 994 MB AT 2100 UTC SEP 23 
MOVING W-NW OR 300 DEG AT 9 KT.  MAXIMUM SUSTAINED WIND 60 GUSTS 
75 KT.  TROPICAL STORM FORCE WIND WITHIN 70 NM NE QUADRANT...60 
NM SE QUADRANT...30 NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 
12 FT OR GREATER WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT 
...30 NM SW QUADRANT...AND 60 NM NW QUADRANT WITH SEAS TO 18 FT.
.12 HOUR FORECAST  HURRICANE MIRIAM NEAR 16.8N 111.8W.  MAXIMUM 
SUSTAINED WIND 75 GUSTS 90 KT.  
.24 HOUR FORECAST  HURRICANE MIRIAM NEAR 17.9N 113.4W.  MAXIMUM 
SUSTAINED WIND 85 GUSTS 105 KT.  TROPICAL STORM FORCE WIND 
WITHIN 90 NM E SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW 
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM NE AND 120 SW 
SEMICIRCLES WITH SEAS TO 22 FT.
.48 HOUR FORECAST  HURRICANE MIRIAM NEAR 19.4N 115.2W.  MAXIMUM 
SUSTAINED WIND 80 GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM OF CENTER EXCEPT 60 NM SW QUADRANT.  SEAS 12 FT OR 
GREATER WITHIN 150 NM NE AND 120 SW SEMICIRCLES WITH SEAS TO 20 
FT.
.72 HOUR FORECAST  TROPICAL STORM MIRIAM NEAR 20.7N 115.9W. 
MAXIMUM SUSTAINED WIND 60 GUSTS 75 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST  TROPICAL STORM MIRIAM NEAR 22.3N 116.0W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.
.120 HOUR FORECAST  TROPICAL STORM MIRIAM NEAR 23.5N 116.0W. 
MAXIMUM SUSTAINED WIND 35 GUSTS 45 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 270 NM E SEMICIRCLE...120 
NM NW AND 60 NM SW QUADRANTS OF CENTER  WINDS TO 33 KT.  SEAS TO 
12 FT.
.24 HOUR FORECAST  EXCEPT AS NOTED IN WARNINGS...WITHIN 250 NM 
...EXCEPT 90 NM SW QUADRANT OF CENTER  WINDS TO 33 KT.  SEAS TO 
12 FT.  
.48 HOUR FORECAST  EXCEPT AS NOTED IN MIRIAM WARNINGS...WITHIN 
250 NM OF CENTER  WINDS TO 33 KT.  SEAS TO 12 FT.

.N OF 14N FROM 94W TO 96W INCLUDING GULF OF TEHUANTEPEC...N TO 
NE WINDS 20 TO 25 KT.  SEAS TO 8 FT.
.24 HOUR FORECAST  WITHIN 30 NM OF LINE 16N95W TO 14N97W 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST  WINDS 20 KT OR LESS.  SEAS LESS THAN 8 FT.

.SW OF LINE FROM 19N140W TO 00N112W  WINDS 20 KT OR LESS.  SEAS 
TO 8 FT IN SE SWELL.
.24 HOUR FORECAST  SEAS MERGE WITH PARAGRAPH BELOW. 

.06 HOUR FORECAST  NW OF LINE 30N137W TO 26N140W  WINDS 20 KT OR 
LESS.  SEAS TO 11 FT IN NW SWELL.
.24 HOUR FORECAST  W OF LINE 30N125W TO 13N135W TO 11N113W  
WINDS 20 KT OR LESS.  SEAS TO 12 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST  ELSEWHERE W OF LINE 30N116W TO 10N125W TO 
00N110W  WINDS 20 KT OR LESS.  SEAS TO 10 FT IN MIXED SE AND NW 
SWELL.

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

CONVECTION VALID AT 2100 SUN SEP 23...

.T.S. MIRIAM AT 16.1N 110.5W MOVING NW AT 9 KT.
NUMEROUS STRONG WITHIN 180 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 08N84W TO 12N102W.  ITCZ EXTEND FROM 12N125W 
TO BEYOND 06N140W.  SCATTERED MODERATE WITHIN 90 NM S OF AXIS 
FROM 94W TO 96W AND WITHIN 90 NM N OF AXIS W OF 135W.

$$
.FORECASTER WALLY BARNES.  NATIONAL HURRICANE CENTER.