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HURRICANE IVAN FORECAST/ADVISORY NUMBER  21
NATIONAL WEATHER SERVICE MIAMI FL   AL0998
1500Z FRI SEP 25 1998
 
HURRICANE CENTER LOCATED NEAR 36.5N  40.6W AT 25/1500Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR  55 DEGREES AT 16 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  984 MB
EYE DIAMETER  30 NM
MAX SUSTAINED WINDS  70 KT WITH GUSTS TO  85 KT
64 KT....... 25NE  25SE  25SW  25NW
50 KT....... 40NE  40SE  40SW  40NW
34 KT.......100NE 100SE  75SW  75NW
12 FT SEAS..200NE 100SE 100SW 200NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 36.5N  40.6W AT 25/1500Z
AT 25/1200Z CENTER WAS LOCATED NEAR 36.1N  41.4W
 
FORECAST VALID 26/0000Z 37.9N  38.2W
MAX WIND  70 KT...GUSTS  85 KT
64 KT... 25NE  25SE  25SW  25NW
50 KT... 40NE  40SE  40SW  40NW
34 KT...100NE 100SE  75SW  75NW
 
FORECAST VALID 26/1200Z 39.1N  33.2W
MAX WIND  65 KT...GUSTS  80 KT
64 KT... 25NE  25SE  25SW  25NW
50 KT... 40NE  40SE  40SW  40NW
34 KT...100NE 100SE  75SW  75NW
 
FORECAST VALID 27/0000Z 39.6N  27.2W
MAX WIND  55 KT...GUSTS  65 KT
50 KT... 40NE  40SE  40SW  40NW
34 KT...100NE 100SE  75SW  75NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 36.5N  40.6W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 27/1200Z 39.6N  20.0W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT
 
FORECAST VALID 28/1200Z...EXTRATROPICAL
 
NEXT ADVISORY AT 25/2100Z
 
GROSS
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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