ZCZC MIATCMAT4 ALL
TTAA00 KNHC DDHHMM
TROPICAL STORM IVAN FORECAST/ADVISORY NUMBER  13
NATIONAL WEATHER SERVICE MIAMI FL   AL0998
1500Z WED SEP 23 1998
 
 
TROPICAL STORM CENTER LOCATED NEAR 29.3N  39.6W AT 23/1500Z
POSITION ACCURATE WITHIN  45 NM
 
PRESENT MOVEMENT TOWARD THE NORTH NORTHWEST OR 335 DEGREES AT 16 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  997 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT
34 KT.......175NE 100SE  50SW 100NW
12 FT SEAS..200NE 120SE  70SW 200NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 29.3N  39.6W AT 23/1500Z
AT 23/1200Z CENTER WAS LOCATED NEAR 28.6N  39.3W
 
FORECAST VALID 24/0000Z 31.5N  40.5W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
34 KT...175NE 100SE  50SW 100NW
 
FORECAST VALID 24/1200Z 34.2N  40.9W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
34 KT...175NE 100SE  50SW 100NW
 
FORECAST VALID 25/0000Z 36.4N  40.1W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
34 KT...175NE 100SE  50SW 100NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.3N  39.6W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 25/1200Z 38.7N  38.3W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
 
OUTLOOK VALID 26/1200Z 42.0N  33.0W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
 
NEXT ADVISORY AT 23/2100Z
 
RAPPAPORT
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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