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TROPICAL STORM GILMA FORECAST/ADVISORY NUMBER  12
NATIONAL WEATHER SERVICE MIAMI FL   EP0900
2100Z MON AUG 07 2000
 
 
TROPICAL STORM CENTER LOCATED NEAR 18.6N 116.0W AT 07/2100Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 285 DEGREES AT  8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  991 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT....... 30NE  30SE  30SW  30NW.
34 KT.......125NE  75SE  75SW 125NW.
12 FT SEAS..250NE 175SE 175SW 250NW.
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 18.6N 116.0W AT 07/2100Z
AT 07/1800Z CENTER WAS LOCATED NEAR 18.5N 115.6W
 
FORECAST VALID 08/0600Z 19.0N 117.3W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  30SE  30SW  30NW.
34 KT...125NE  75SE  75SW 125NW.
 
FORECAST VALID 08/1800Z 19.5N 119.0W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 30NE  30SE  30SW  30NW.
34 KT...125NE  75SE  75SW 125NW.
 
FORECAST VALID 09/0600Z 20.0N 120.9W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 30NE  30SE  30SW  30NW.
34 KT...125NE  75SE  75SW 125NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 18.6N 116.0W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 09/1800Z 20.5N 122.5W
MAX WIND  50 KT...GUSTS  60 KT.
50 KT... 30NE  30SE  30SW  30NW.
 
OUTLOOK VALID 10/1800Z 20.5N 126.0W
MAX WIND  45 KT...GUSTS  55 KT.
 
NEXT ADVISORY AT 08/0300Z
 
FORECASTER BEVEN
 
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