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TROPICAL STORM GERT MARINE ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL
1500Z SUN SEP 19 1993
 
A TROPICAL STORM WARNING IS IN EFFECT FROM SOTO LA MARINA SOUTHWARD
AND EASTWARD TO MINATITLAN MEXICO.  THE GOVERNMENT OF MEXICO HAS
ISSUED A HURRICANE WATCH EFFECTIVE AT 10 AM CDT FROM SOTO LA MARINA
SOUTHWARD TO VERACRUZ.
 
TROPICAL STORM CENTER LOCATED NEAR 20.6N  93.5W AT 19/1500Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 295 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  993 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT
34 KT.......100NE 100SE 100SW 100NW
12 FT SEAS..100NE 100SE 100SW 100NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 20.6N  93.5W AT 19/1500Z
AT 19/1200Z CENTER WAS LOCATED NEAR 20.4N  93.3W
 
FORECAST VALID 20/0000Z 21.0N  95.0W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 40NE  40SE  40SW  40NW
34 KT...120NE 120SE 100SW 100NW
 
FORECAST VALID 20/1200Z 21.5N  96.7W
MAX WIND  60 KT...GUSTS  75 KT
50 KT... 50NE  50SE  50SW  50NW
34 KT...120NE 120SE 100SW 100NW
 
FORECAST VALID 21/0000Z 21.9N  98.3W...INLAND
MAX WIND  35 KT...GUSTS  45 KT
34 KT...120NE 120SE   0SW   0NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 20.6N  93.5W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 21/1200Z 22.0N 100.0W
MAX WIND  25 KT...GUSTS  35 KT
 
OUTLOOK VALID 22/1200Z 22.0N 103.0W...DISSIPATED
 
NEXT ADVISORY AT 19/2100Z
 
PASCH