ZCZC MIATCMAT4 ALL
TTAA00 KNHC DDHHMM
TROPICAL STORM IVAN FORECAST/ADVISORY NUMBER   8
NATIONAL WEATHER SERVICE MIAMI FL   AL0998
0900Z TUE SEP 22 1998
 
TROPICAL STORM CENTER LOCATED NEAR 21.4N  36.1W AT 22/0900Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE NORTH OR 360 DEGREES AT 11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE 1000 MB
MAX SUSTAINED WINDS  45 KT WITH GUSTS TO  55 KT
34 KT....... 75NE  75SE  50SW  75NW
12 FT SEAS..125NE  75SE  50SW 125NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 21.4N  36.1W AT 22/0900Z
AT 22/0600Z CENTER WAS LOCATED NEAR 20.9N  36.1W
 
FORECAST VALID 22/1800Z 23.1N  36.1W
MAX WIND  45 KT...GUSTS  55 KT
34 KT... 75NE  75SE  50SW  75NW
 
FORECAST VALID 23/0600Z 24.9N  36.1W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
34 KT... 75NE  75SE  50SW  75NW
 
FORECAST VALID 23/1800Z 26.6N  35.6W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
34 KT... 75NE  75SE  50SW  75NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.4N  36.1W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 24/0600Z 27.8N  34.8W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
 
OUTLOOK VALID 25/0600Z 29.0N  32.8W
MAX WIND  50 KT...GUSTS  60 KT
50 KT... 30NE  30SE  30SW  30NW
 
NEXT ADVISORY AT 22/1500Z
 
JARVINEN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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