000
FZPN03 KNHC 221543
HSFEP2

HIGH SEAS FORECAST 
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC SAT SEP 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT SEP 22.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 23.
48 HOUR FORECAST VALID 1200 UTC MON SEP 24.

.WARNINGS.

...HURRICANE WARNING...
.TROPICAL STORM MIRIAM NEAR 13.9N 107.7W 1003 MB AT 1500 UTC SEP 
22 MOVING WNW OR 285 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER 
EXCEPT 30 NM NE QUADRANT. SEAS LESS THAN 12 FT.
.24 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 15.4N 110.1W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 60 NM N SEMICIRCLE...50 NM SE QUADRANT AND 40 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE...120 NM SE...0 
NM SW...AND 90 NM NW QUADRANTS OF CENTER WITH SEAS TO 18 FT.
.48 HOUR FORECAST HURRICANE MIRIAM NEAR 17.5N 113.6W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 105 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM N AND 60 NM S SEMICIRCLES OF CENTER WITH SEAS TO 24 FT.
.72 HOUR FORECAST HURRICANE MIRIAM NEAR 19.0N 116.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MIRIAM NEAR 20.0N 117.0W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.120 HOUR FORECAST TROPICAL STORM MIRIAM NEAR 21.0N 117.5W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 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 NE AND 240 NM SW 
SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. 
ELSEWHERE FROM 05N TO 10N BETWEEN 103W AND 117W S TO SW WINDS 20 
TO 25 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 330 NM NE 
SEMICIRCLE AND 240 NM SE QUADRANT OF CENTER WINDS 20 TO 33 KT. 
SEAS TO 11 FT. ELSEWHERE FROM 09N TO 12N BETWEEN 102W AND 112W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN MIXED SW SWELL.
.48 HOUR FORECAST EXCEPT AS NOTED IN WARNINGS...WITHIN 300 NM NE 
AND 210 NM SW SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 
11 FT. ELSEWHERE FROM 10N TO 13N BETWEEN 106W AND 117W WINDS 20 
KT OR LESS. SEAS TO 9 FT IN BROAD MIX OF SWELL.

.FROM 10N TO 20N W OF 132W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST FROM 09N TO 18N W OF 135W WINDS 20 KT OR LESS. 
SEAS TO 8 FT IN NE SWELL. 
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.N OF 28N FROM 125W TO 128W WINDS 20 KT OR LESS. SEAS TO 8 FT IN 
N TO NE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. 

.WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95.5W TO 13.5N96.5W... 
INCLUDING GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO 25 KT. SEAS 
TO 8 FT.
.24 HOUR FORECAST WITHIN 30 NM EITHER SIDE OF LINE FROM 16N95W 
TO 15N95.5W TO 13.5N96.5W... INCLUDING GULF OF TEHUANTEPEC... N 
TO NE WINDS 20 TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.S OF 03N BETWEEN 115W AND 130W WINDS 20 KT OR LESS. SEAS 8 FT 
IN SE SWELL.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.36 HOUR FORECAST NW OF LINE 30N137W TO 27N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST NW OF LINE 29N130W TO 20N140W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN NW SWELL

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

CONVECTION VALID AT 1515 SAT SEP 22...

.T.S. MIRIAM 13.9N 107.7W. SCATTERED MODERATE TO STRONG WITHIN 
210 NM NE AND 180 NM SW SEMICIRCLES OF CENTER.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH EXTENDS FROM COLOMBIA NEAR 10N73W ACROSS THE 
EXTREME SW CARIBBEAN AND COSTA RICA TO NEAR 10N90W TO 08N96W TO 
12N100W...WHERE IT HAS SEVERED...THEN RESUMES W OF T.S. MIRIAM  
FROM 14N114W TO 14N120W TO 09N127W...WHERE IT TRANSITIONS TO 
ITCZ...CONTINUING ON TO BEYOND 08N140W. SCATTERED MODERATE 
ISOLATED STRONG WITHIN 210 NM S AND 360 NM N OF TROUGH AXIS 
BETWEEN 84W AND 100W. SCATTERED MODERATE ISOLATED STRONG WITHIN 
90 NM N AND 210 NM S OF ITCZ AXIS.

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.