000
FZPN03 KNHC 240316
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC MON SEP 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 MON SEP 24.
24 HOUR FORECAST VALID 0000 UTC TUE SEP 25.
48 HOUR FORECAST VALID 0000 UTC WED SEP 26.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MIRIAM AT 16.8N 111.3W 979 MB AT 0300 UTC SEP 24 
MOVING NW OR 305 DEG AT 10 KT. MAXIMUM SUSTAINED WIND 80 GUSTS 
100 KT. TROPICAL STORM FORCE WIND WITHIN 80 NM NW AND SE 
QUADRANTS...90 NM NE QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 150 NM NW AND SE QUADRANTS...210 NM NE 
QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 20 FT.
.24 HOUR FORECAST HURRICANE MIRIAM NEAR 18.5N 113.9W. MAXIMUM 
SUSTAINED WIND 95 GUSTS 115 KT. TROPICAL STORM FORCE WIND 
WITHIN 120 NM NE QUADRANT...100 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
270 NM NE AND 240 NM SW SEMICIRCLES WITH SEAS TO 25 FT.
.48 HOUR FORECAST HURRICANE MIRIAM NEAR 19.8N 115.2W. MAXIMUM 
SUSTAINED WIND 80 GUSTS 100 KT. LITTLE CHANGE IN RADIUS OF 
TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER. 
.72 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 21.2N 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 22.5N 116.0W. 
MAXIMUM SUSTAINED WIND 45 GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION MIRIAM NEAR 24.0N 115.5W.
MAXIMUM SUSTAINED WIND 30 GUSTS 40 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.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.SW OF LINE FROM 18N140W TO 00N114W WINDS 20 KT OR LESS.
SEAS TO 8 FT IN SE SWELL.
.24 HOUR FORECAST SEAS MERGE WITH PARAGRAPH BELOW. 

.NW OF LINE 30N134W TO 25N140W WINDS 20 KT OR LESS. SEAS TO 11 
FT IN NW SWELL.
.24 HOUR FORECAST W OF LINE 30N124W TO 14N127W TO 00N112W 
WINDS 20 KT OR LESS. SEAS TO 12 FT IN MIXED SE AND NW SWELL.
.48 HOUR FORECAST W OF LINE 30N123W TO 15N127W TO 00N112W 
WINDS 20 KT OR LESS. SEAS TO 11 FT IN MIXED SE AND NW SWELL.

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

CONVECTION VALID AT 0300 MON SEP 24...

.HURRICANE MIRIAM AT 16.8N 111.3W MOVING NW AT 10 KT. 
NUMEROUS STRONG WITHIN 210 NM OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 11N86W TO 09N99W TO 12N103W THEN RESUMES 
FROM 13N112W TO 11N128W THEN ITCZ TO BEYOND 09N140W. SCATTERED 
MODERATE WITHIN 210 NM N OF AXIS FROM 94W TO 100W AND WITHIN 150 
NM S OF AXIS W OF 129W.

$$
.FORECASTER WALLY BARNES. NATIONAL HURRICANE CENTER.