Hurricane MARTY

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HURRICANE MARTY FORECAST/ADVISORY NUMBER  12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   EP132003
2100Z SUN SEP 21 2003
 
A HURRICANE WARNING REMAINS IN EFFECT FOR SOUTHERN BAJA
CALIFORNIA...FROM BAHIA MAGDALENA SOUTHWARD ON THE WEST COAST AND
FROM SAN EVARISTO SOUTHWARD ON THE EAST COAST.  A HURRICANE WARNING
MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING
AREA WITHIN THE NEXT 24 HOURS.  PREPARATIONS TO PROTECT LIFE AND
PROPERTY SHOULD BE RUSHED TO COMPLETION.
 
A HURRICANE WATCH REMAINS IN EFFECT FOR SOUTHERN BAJA CALIFORNIA
FROM PUNTA ABREOJOS TO BAHIA MAGDALENA ON THE WEST COAST AND FROM
MULEGE TO SAN EVARISTO ON THE EAST COAST.  A HURRICANE WATCH MEANS
THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.
 
AT 2 PM PDT...2100Z...THE GOVERNMENT OF MEXICO HAS ISSUED A
HURRICANE WATCH FOR MAINLAND MEXICO FROM ALTATA TO GUAYMAS.
 
HURRICANE CENTER LOCATED NEAR 20.5N 109.4W AT 21/2100Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 335 DEGREES AT   7 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  984 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 20NE  30SE  30SW  20NW.
50 KT....... 30NE  60SE  60SW  30NW.
34 KT.......100NE 125SE 125SW  75NW.
12 FT SEAS..100NE 225SE 125SW  75NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 20.5N 109.4W AT 21/2100Z
AT 21/1800Z CENTER WAS LOCATED NEAR 20.2N 109.3W
 
FORECAST VALID 22/0600Z 21.7N 109.8W
MAX WIND  75 KT...GUSTS  90 KT.
64 KT... 20NE  30SE  30SW  20NW.
50 KT... 30NE  60SE  60SW  30NW.
34 KT...100NE 125SE 125SW  75NW.
 
FORECAST VALID 22/1800Z 24.1N 110.4W...INLAND
MAX WIND  80 KT...GUSTS 100 KT.
64 KT... 25NE  25SE  25SW  25NW.
50 KT... 50NE  50SE  50SW  50NW.
34 KT...100NE 100SE 100SW 100NW.
 
FORECAST VALID 23/0600Z 26.6N 111.2W...OVER WATER
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE  20SW  20NW.
50 KT... 40NE  40SE  40SW  40NW.
34 KT... 75NE  75SE  75SW  75NW.
 
FORECAST VALID 23/1800Z 29.1N 111.9W...INLAND
MAX WIND  55 KT...GUSTS  65 KT.
50 KT...  0NE  20SE  20SW  20NW.
34 KT... 25NE  75SE  75SW  75NW.
 
FORECAST VALID 24/1800Z 31.5N 112.0W...INLAND
MAX WIND  30 KT...GUSTS  40 KT.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 200 NM
ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 25/1800Z 34.0N 111.5W...INLAND REMNANT LOW
MAX WIND  20 KT...GUSTS  25 KT.
 
OUTLOOK VALID 26/1800Z 36.0N 111.0W...INLAND REMNANT LOW
MAX WIND  20 KT...GUSTS  25 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.5N 109.4W
 
NEXT ADVISORY AT 22/0300Z
 
FORECASTER LAWRENCE
 
 
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