000
FZPN03 KNHC 231523
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC SUN SEP 23.
24 HOUR FORECAST VALID 1200 UTC MON SEP 24.
48 HOUR FORECAST VALID 1200 UTC TUE SEP 25.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MIRIAM NEAR 15.6N 109.6W 996 MB AT 1500 UTC SEP
23 MOVING NW OR 305 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM E
SEMICIRCLE...20 NM SW QUADRANT AND 40 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 16.5N 110.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.24 HOUR FORECAST HURRICANE MIRIAM NEAR 17.6N 112.4W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM E SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE...120 
NM SE QUADRANT AND 75 NM SW QUADRANT WITH SEAS TO 20 FT.
.48 HOUR FORECAST HURRICANE MIRIAM NEAR 19.0N 114.5W. MAXIMUM
SUSTAINED WINDS 80 KT 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 OF CENTER EXCEPT 120 NM SW QUADRANT WITH 
SEAS TO 24 FT.
.72 HOUR FORECAST HURRICANE MIRIAM NEAR 20.2N 115.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 21.4N 116.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 22.5N 116.0W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 250 NM E SEMICIRCLE...120 
NM NW AND 60 NM SW QUADRANTS OF CENTER WINDS 20 TO 33 KT. SEAS 8 
TO 12 FT.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 250 
NM...EXCEPT 90 NM SW QUADRANT OF CENTER WINDS 20 TO 33 KT. SEAS 
8 TO 12 FT.  
.48 HOUR FORECAST EXCEPT AS NOTED IN MIRIAM WARNINGS...WITHIN 
250 NM OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.WITHIN N OF 14N BETWEEN 94W AND 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.

.12 HOUR FORECAST NW OF LINE 30N135W TO 26N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST NW OF LINE 30N125W TO 15N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST NW OF LINE 30N120W TO 15N125W TO 10N140W WINDS 
20 KT OR LESS. SEAS 8 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 1500 SUN SEP 23...

.T.S. MIRIAM AT 15.1N 108.5W. NUMEROUS STRONG WITHIN 150 NM OF 
CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 09N95W TO 12N100W. THE ITCZ FROM 
09N124W TO 09N140W. SCATTERED MODERATE ISOLATED STRONG WITHIN 90 
NM S OF W OF 136W. 

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.