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HURRICANE GERT FORECAST/ADVISORY NUMBER  31
NATIONAL WEATHER SERVICE MIAMI FL   AL0999
0300Z SUN SEP 19 1999
 
HURRICANE CENTER LOCATED NEAR 24.0N  58.5W AT 19/0300Z
POSITION ACCURATE WITHIN  25 NM
 
PRESENT MOVEMENT TOWARD THE NORTH NORTHWEST OR 335 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  955 MB
EYE DIAMETER  30 NM
MAX SUSTAINED WINDS 110 KT WITH GUSTS TO 135 KT
64 KT.......105NE  75SE  50SW  90NW
50 KT.......180NE 150SE  90SW 130NW
34 KT.......225NE 200SE 125SW 160NW
12 FT SEAS..500NE 500SE 300SW 400NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 24.0N  58.5W AT 19/0300Z
AT 19/0000Z CENTER WAS LOCATED NEAR 23.6N  58.1W
 
FORECAST VALID 19/1200Z 25.0N  59.1W
MAX WIND 110 KT...GUSTS 135 KT
64 KT...105NE  75SE  50SW  90NW
50 KT...180NE 150SE  90SW 130NW
34 KT...225NE 200SE 125SW 160NW
 
FORECAST VALID 20/0000Z 26.3N  59.9W
MAX WIND 105 KT...GUSTS 130 KT
64 KT...105NE  75SE  50SW  90NW
50 KT...180NE 150SE  90SW 130NW
34 KT...225NE 200SE 125SW 160NW
 
FORECAST VALID 20/1200Z 27.5N  60.7W
MAX WIND 105 KT...GUSTS 130 KT
64 KT...105NE  75SE  50SW  90NW
50 KT...180NE 150SE  90SW 130NW
34 KT...225NE 200SE 125SW 160NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 24.0N  58.5W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 21/0000Z 29.5N  61.5W
MAX WIND 100 KT...GUSTS 120 KT
50 KT...180NE 150SE  90SW 130NW
 
OUTLOOK VALID 22/0000Z 31.5N  63.0W
MAX WIND 105 KT...GUSTS 130 KT
50 KT...180NE 150SE  90SW 130NW
 
NEXT ADVISORY AT 19/0900Z
 
GUINEY
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
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