000
FZPN03 KNHC 240917
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MON SEP 24.
24 HOUR FORECAST VALID 0600 UTC TUE SEP 25.
48 HOUR FORECAST VALID 0600 UTC WED SEP 26.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MIRIAM NEAR 17.3N 112.2W 971 MB AT 0900 UTC SEP 24 
MOVING NW OR 305 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 90 KT 
GUSTS 110 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NW AND SE 
QUADRANTS...100 NM NE QUADRANT AND 70 NM SW QUADRANT.  SEAS 12 
FT OR GREATER WITHIN 150 NM NW AND SE QUADRANTS...210 NM NE 
QUADRANT AND 120 NM SW QUADRANT WITH SEAS TO 26 FT.
.24 HOUR FORECAST HURRICANE MIRIAM NEAR 18.8N 114.3W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS
WITHIN 110 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 90 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW AND SE 
QUADRANTS...240 NM NE QUADRANT AND 150 NM SW QUADRANT WITH SEAS 
TO 32 FT.
.48 HOUR FORECAST HURRICANE MIRIAM NEAR 20.4N 115.2W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM NW AND SE QUADRANTS...130 NM NE QUADRANT AND 100 
NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM...EXCEPT 180 
NM SW QUADRANT WITH SEAS TO 28 FT.
.72 HOUR FORECAST HURRICANE MIRIAM NEAR 22.2N 115.5W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 24.0N 115.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 25.5N 114.5W.
MAXIMUM SUSTAINED WINDS 50 KT 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 MIRIAM WARNINGS...WITHIN 240 NM NE...210 NM 
SE AND NW AND 180 NM SW QUADRANTS OF CENTER WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. ELSEWHERE FROM 12N TO 21N BETWEEN 106 AND 115W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN A BROAD MIX OF SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN MIRIAM WARNINGS...WITHIN 
270 NM...EXCEPT 180 NM SW QUADRANT OF CENTER WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. ELSEWHERE FROM 12N TO 25N BETWEEN 108 AND 122W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN A BROAD MIX OF SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN MIRIAM WARNINGS...WITHIN 
270 NM...EXCEPT 210 NM SW QUADRANT OF CENTER WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT. ELSEWHERE CONDITIONS MERGED.

.NW OF LINE 30N130W TO 19N140W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN NW SWELL.
.24 HOUR FORECAST NW OF LINE 30N119W TO 20N125W TO 09N140W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST ELSEWHERE N OF 20N E OF 133W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NW SWELL...EXCEPT IN A BROAD MIX OF 
SWELL E OF 120W. ELSEWHERE FROM 09N TO 20N W OF 109W WINDS 20 KT 
OR LESS SEAS 8 TO 11 FT PRIMARILY IN MIXED NW AND SE SWELL.

.WITHIN 30 NM EITHER SIDE OF LINE 16N95W TO 14N96W INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST N OF 14N BETWEEN 94W AND 96W INCLUDING THE 
GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID AT 0845 UTC MON SEP 24...

.HURRICANE MIRIAM AT 17.0N 111.7W. NUMEROUS STRONG WITHIN 75 NM 
OF CENTER. SCATTERED MODERATE TO STRONG ELSEWHERE FROM 14N TO 
19N BETWEEN 110W AND 114W. 

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM 10N86W TO 09N100W...THEN RESUMES W 
OF HURRICANE MIRIAM FROM 12N114W TO 10N124W. THE ITCZ CONTINUES 
FROM 10N124W TO BEYOND 09N140W. SCATTERED MODERATE WITHIN 100 NM 
S OF ITCZ AXIS BETWEEN 131W AND 136W.

$$
.FORECASTER GR. NATIONAL HURRICANE CENTER.