000 FZPN03 KNHC 270316 HSFEP2 HIGH SEAS FORECAST NWS NATIONAL HURRICANE CENTER MIAMI FL 0430 UTC THU SEP 27 2012 SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES.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 0000 UTC THU SEP 27. 24 HOUR FORECAST VALID 0000 UTC FRI SEP 28. 48 HOUR FORECAST VALID 0000 UTC SAT SEP 29. .WARNINGS. ...TROPICAL STORM WARNING... .TROPICAL STORM MIRIAM NEAR 21.5N 115.7W 999 MB AT 0300 UTC SEP 27 MOVING NNW OR 345 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...70 NM SW QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...120 NM SE QUADRANT...240 NM SW QUADRANT...AND 200 NM NW QUADRANT WITH SEAS TO 19 FT. .24 HOUR FORECAST TROPICAL DEPRESSION MIRIAM NEAR 22.7N 116.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. SEAS 12 FT OR GREATER WITHIN 120 NM OF CENTER EXCEPT 30 NM SE QUADRANT WITH SEAS TO 15 FT. .48 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 22.9N 117.3W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. SEAS LESS THAN 12 FT. .72 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 22.9N 117.6W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST POST-TROPICAL REMNANT LOW MIRIAM NEAR 22.5N 118.0W. MAXIMUM SUSTAINED WINDS 15 KT GUSTS 20 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 150 NM SE QUADRANT WINDS 20 TO 33 KT. SEAS TO 12 FT. ELSEWHERE FROM 09N TO 27N BETWEEN 110W AND 126W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL. .24 HOUR FORECAST EXCEPT AS NOTED IN MIRIAM WARNING...WITHIN 180 NM NW AND 120 NM SE SEMICIRCLES OF CENTER WINDS 20 TO 33 KT. SEAS TO 12 FT. ELSEWHERE FROM 16N TO 27N BETWEEN 110W AND 123W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL. .48 HOUR FORECAST EXCEPT AS NOTED ABOVE WITH POST-TROPICAL REMNANT LOW MIRIAM...WITHIN 240 NM W SEMICIRCLE AND 120 NM NE QUADRANT OF CENTER WINDS 20 TO 25 KT. SEAS TO 10 FT. ELSEWHERE FROM 20N TO 27N BETWEEN 116W AND 122W WINDS 20 KT OR LESS. SEAS TO 9 FT IN BROAD MIX OF SWELL. .FROM 13N TO 15N W OF 134W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN MIXED NW SWELL AND NE WIND WAVES. ELSEWHERE FROM 08N TO 19N W OF 132W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN PRIMARILY MERGING NW AND SW SWELL. REMAINDER OF AREA N OF 09N BETWEEN 126W AND 132W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN BROAD MIX OF SWELL. .24 HOUR FORECAST N OF 26N BETWEEN 126W AND 132W WINDS 20 KT OR LESS. SEAS 8 FT IN MERGING SE AND NW SWELL. FROM 05N TO 16N W OF 135W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN PRIMARILY MERGING NW AND SW SWELL. S OF 05N BETWEEN 110W AND 132W WINDS 20 KT OR LESS. SEAS 8 FT IN MERGING NW AND SW SWELL. .48 HOUR FORECAST S OF 10N BETWEEN 100W AND 130W WINDS LESS THAN 20 KT. SEAS 8 TO 9 FT IN MERGING NW AND SW SWELL. .DEVELOPING LOW PRES NEAR 13.5N106W 1007 MB. WITHIN 360 NM NE QUADRANT AND 360 NM S SEMICIRCLE OF CENTER WINDS 20 TO 25 KT. SEAS TO 10 FT...HIGHEST NEAR 13N103W. ELSEWHERE FROM 07N TO 17N BETWEEN 100W AND 110W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SWELL. .24 HOUR FORECAST LOW PRES NEAR 17N109W 1008 MB. WITHIN 300 NM NE SEMICIRCLE S TO SE WINDS 20 TO 25 KT. SEAS TO 10 FT. FROM O9N TO 15N BETWEEN 106W AND 120W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 05N TO 16N BETWEEN 110W AND 125W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN BROAD MIX OF SWELL. .48 HOUR FORECAST LOW PRES DISSIPATED NEAR 22N110W WITH TROUGH EXTENDING FROM REMAINS OF LOW TO 18N111W TO 12N121W. FROM 20N TO 25N E OF 110W...INCLUDING GULF OF CALIFORNIA SE TO S WINDS 20 TO 25 KT. SEAS TO 8 FT. ELSEWHERE FROM 10N TO 20N BETWEEN 103W AND 122W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN PRIMARILY SW SWELL. .REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT. CONVECTION VALID AT 0115 UTC THU SEP 27... .T.S. MIRIAM SCATTERED MODERATE FROM 90 TO 270 NM NE SEMICIRCLE OF CENTER. .INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH... MONSOON TROUGH EXTENDS FROM 08N76W TO 10N86W TO LOW PRES NEAR 09.5N92W 1008 MB TO LOW PRES NEAR 13.5N106W 1007 MB WHERE IT FRACTURES...THEN RESUMES FROM S OF MIRIAM NEAR 14N115W TO 10N138W...WHERE IT TRANSITIONS TO ITCZ...CONTINUING ON TO BEYOND 11N140W. SCATTERED MODERATE CONVECTION NOTED WITHIN 210 NM S OF TROUGH BETWEEN 86W AND 97W. SCATTERED TO LOCALLY NUMEROUS MODERATE TO STRONG CONVECTION NOTED FROM 10N TO 16.5N BETWEEN 101W AND 112W. SCATTERED MODERATE ISOLATED STRONG CONVECTION NOTED WITHIN 150 NM S OF TROUGH BETWEEN 115W AND 128W. $$ .FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.