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TROPICAL STORM IVAN FORECAST/ADVISORY NUMBER  10
NATIONAL WEATHER SERVICE MIAMI FL   AL0998
2100Z TUE SEP 22 1998
  
TROPICAL STORM CENTER LOCATED NEAR 24.7N  37.4W AT 22/2100Z
POSITION ACCURATE WITHIN  45 NM
 
PRESENT MOVEMENT TOWARD THE NORTH NORTHWEST OR 335 DEGREES AT 15 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  994 MB
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT
50 KT....... 30NE  30SE  30SW  30NW
34 KT.......100NE 100SE  50SW  75NW
12 FT SEAS..125NE 100SE  50SW 125NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 24.7N  37.4W AT 22/2100Z
AT 22/1800Z CENTER WAS LOCATED NEAR 24.2N  37.1W
 
FORECAST VALID 23/0600Z 26.4N  38.2W
MAX WIND  60 KT...GUSTS  75 KT
50 KT... 30NE  30SE  30SW  30NW
34 KT...100NE 100SE  50SW  75NW
 
FORECAST VALID 23/1800Z 28.0N  39.1W
MAX WIND  65 KT...GUSTS  80 KT
64 KT... 30NE  30SE  30SW  30NW
50 KT... 40NE  40SE  40SW  40NW
34 KT...125NE 125SE  75SW  75NW
 
FORECAST VALID 24/0600Z 29.9N  39.6W
MAX WIND  65 KT...GUSTS  80 KT
64 KT... 30NE  30SE  30SW  30NW
50 KT... 40NE  40SE  40SW  40NW
34 KT...125NE 125SE  75SW  75NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.7N  37.4W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 24/1800Z 31.5N  39.6W
MAX WIND  65 KT...GUSTS  80 KT
50 KT... 40NE  40SE  40SW  40NW
 
OUTLOOK VALID 25/1800Z 34.0N  39.0W
MAX WIND  65 KT...GUSTS  80 KT
50 KT... 40NE  40SE  40SW  40NW
 
NEXT ADVISORY AT 23/0300Z
 
RAPPAPORT
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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