000
FZPN03 KNHC 271605
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC THU SEP 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W.

SYNOPSIS VALID 1200 UTC THU SEP 27
24 HOUR FORECAST VALID 1200 UTC FRI SEP 28
48 HOUR FORECAST VALID 1200 UTC SAT SEP 29

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL STORM MIRIAM NEAR 22.2N 116.3W 1000 MB AT 1500 UTC SEP 
27 MOVING NW OR 315 DEG AT 5 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM NE...60 NM 
SE..50 NM SW AND 100 NM NW QUADRANTS.  SEAS 12 FT OR GREATER 
WITHIN 150 NM N AND 120 NM S SEMICIRCLES WITH SEAS TO 15 FT.
.24 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 22.5N 
116.9W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. SEAS TO 11 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 22.3N 
117.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 22.0N
117.9W. 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 MIRIAM WARNING...WITHIN 210 NM OF CENTER 
EXCEPT WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE FROM 15N TO 
27N BETWEEN 111W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.24 HOUR FORECAST WITHIN 120 NM OF REMNANT LOW MIRIAM WINDS 20 
TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST WITHIN 120 NM OF REMNANT LOW MIRIAM WINDS 20 
KT OR LESS. SEAS TO 8 FT. ELSEWHERE FROM 20N TO 27N BETWEEN 116W 
AND 122W WINDS 20 KT OR LESS. SEAS TO 9 FT IN BROAD MIX OF SWELL.

.LOW PRES NEAR 16N107W 1007 MB MOVING NW 10 KT. WITHIN 180 NM NE 
SEMICIRCLE SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. FROM 08N TO 
11N BETWEEN 110W AND 122W SW WINDS 20 TO 25 KT. ELSEWHERE FROM 
07N TO 15N BETWEEN 102W AND 125W WINDS 20 KT OR LESS. SEAS TO 9 
FT IN MIXED SWELL. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
20N109W 1007 MB. WITHIN 180 NM NE SEMICIRCLE S TO SE WINDS 20 TO 
25 KT. SEAS TO 10 FT. FROM 09N TO 15N BETWEEN 105W AND 120W SW 
WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. ELSEWHERE S OF 15N BETWEEN 
105W AND 125W WINDS 20 KT OR LESS. SEAS 8 IN SW SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
24N108W 1007 MB. FROM 20N TO 25N E OF 110W...INCLUDING GULF OF 
CALIFORNIA WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE FROM 10N 
TO 20N BETWEEN 105W AND 120W WINDS 20 KT OR LESS. SEAS TO 8 FT 
IN PRIMARILY SW SWELL. 

.FROM 10N TO 14N W OF 130W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
NW SWELL. 
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST NW OF LINE 30N131W TO 25N140W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NW SWELL.

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

CONVECTION VALID AT 1500 UTC THU SEP 27...

.T.S. MIRIAM NEAR 22.2N 116.3W. NO SIGNIFICANT CONVECTION. 

.LOW PRES NEAR 16N107W. NUMEROUS MODERATE ISOLATED STRONG WITHIN
240 NM N AND SW OF CENTER.
 
.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 10N85W TO 12N101W...RESUMES FROM 14N113W TO 
10N127W TO 10N140W. SCATTERED MODERATE WITHIN 150 NM S OF TROUGH 
BETWEEN 88W AND 99W. SCATTERED MODERATE ISOLATED STRONG FROM 10N 
TO 14N BETWEEN 107W AND 119W. SCATTERED MODERATE FROM 09N TO 11N 
BETWEEN 127W AND 131W. 

$$
.FORECASTER MUNDELL. NATIONAL HURRICANE CENTER.