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HURRICANE IVAN FORECAST/ADVISORY NUMBER  23
NATIONAL WEATHER SERVICE MIAMI FL   AL0998
0300Z SAT SEP 26 1998
 
HURRICANE CONDITIONS ARE EXPECTED TO SPREAD OVER PORTIONS OF THE
AZORES ISLANDS DURING THE NEXT 24 TO 36 HOURS.
 
HURRICANE CENTER LOCATED NEAR 38.5N  37.7W AT 26/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE EAST NORTHEAST OR  60 DEGREES AT 18 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  975 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS  80 KT WITH GUSTS TO  95 KT
64 KT....... 30NE  30SE  30SW  30NW
50 KT....... 50NE  50SE  50SW  50NW
34 KT.......100NE 100SE  75SW  75NW
12 FT SEAS..200NE 200SE 100SW 100NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 38.5N  37.7W AT 26/0300Z
AT 26/0000Z CENTER WAS LOCATED NEAR 38.1N  38.7W
 
FORECAST VALID 26/1200Z 39.5N  34.5W
MAX WIND  80 KT...GUSTS  95 KT
64 KT... 30NE  30SE  30SW  30NW
50 KT... 40NE  60SE  60SW  40NW
34 KT... 75NE 100SE 100SW  75NW
 
FORECAST VALID 27/0000Z 39.5N  28.0W
MAX WIND  70 KT...GUSTS  85 KT
64 KT... 30NE  30SE  30SW  30NW
50 KT... 40NE  60SE  60SW  40NW
34 KT... 75NE 100SE 100SW  75NW
 
FORECAST VALID 27/1200Z 39.0N  22.0W
MAX WIND  60 KT...GUSTS  75 KT
50 KT... 40NE  60SE  60SW  40NW
34 KT... 75NE 100SE 100SW  75NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 38.5N  37.7W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 28/0000Z 38.5N  16.0W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  65 KT
50 KT... 40NE  60SE  60SW  40NW
 
FORECAST VALID 29/0000Z...EXTRATROPICAL
 
NEXT ADVISORY AT 26/0900Z
 
PASCH
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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