000
FZPN03 KNHC 251516
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC TUE SEP 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 TUE SEP 25.
24 HOUR FORECAST VALID 1200 UTC WED SEP 26.
48 HOUR FORECAST VALID 1200 UTC THU SEP 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE MIRIAM NEAR 18.7N 114.5W 969 MB AT 1500 UTC SEP 25
MOVING WNW OR 300 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM OF CENTER
EXCEPT 100 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 240 NM
N SEMICIRCLE AND 180 NM S SEMICIRCLE WITH SEAS TO 30 FT.
.24 HOUR FORECAST HURRICANE MIRIAM NEAR 20.2N 115.0W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 80 NM W SEMICIRCLE...100 NM NE QUADRANT AND 90 NM SE 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM OF CENTER WITH 
SEAS TO 26 FT.
.48 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 22.2N 115.4W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 80 NM NE QUADRANT...70 NM SE QUADRANT...50 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 NM E AND 180 NM W SEMICIRCLES WITH SEAS TO 24 FT.
.72 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 23.9N 115.3W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 25.3N
115.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 26.7N
115.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 N AND 240 S 
SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 
11N TO 25N BETWEEN 107W AND 121W WINDS 20 KT OR LESS. SEAS 8 TO 
11 FT IN MIXED SWELL.
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 240 NM N 
AND 180 S SEMICIRCLE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. .48 
HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 180 NM OF 
CENTER WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.

.ELSEWHERE W OF LINE 30N120W TO 15N128W TO 05N140W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST ELSEWHERE N OF 10N W OF 110W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED NW AND SW SWELL.
.48 HOUR FORECAST ELSEWHERE N OF 05N W OF 105W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC WED SEP 25...

.HURRICANE MIRIAM NUMEROUS STRONG FROM 17N TO 21N BETWEEN 112W 
AND 116W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N86W TO 12N95W TO 11N100W TO 13N107W. ITCZ 
FROM 13N130W TO 10N140W. SCATTERED MODERATE TO STRONG FROM 07N 
TO 16N BETWEEN 97W AND 105W.

$$
.FORECASTER DGS. NATIONAL HURRICANE CENTER.