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HURRICANE GERT FORECAST/ADVISORY NUMBER  12
NATIONAL WEATHER SERVICE MIAMI FL   AL0999
0900Z TUE SEP 14 1999
 
 
HURRICANE CENTER LOCATED NEAR 16.7N  43.9W AT 14/0900Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 285 DEGREES AT 13 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  970 MB
EYE DIAMETER  20 NM
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT
64 KT....... 30NE  30SE  30SW  30NW
50 KT....... 60NE  60SE  60SW  60NW
34 KT.......120NE 100SE 100SW 120NW
12 FT SEAS..150NE 100SE 100SW 150NW
ALL QUADRANT RADII IN NAUTICAL MILES
 
REPEAT...CENTER LOCATED NEAR 16.7N  43.9W AT 14/0900Z
AT 14/0600Z CENTER WAS LOCATED NEAR 16.6N  43.3W
 
FORECAST VALID 14/1800Z 17.2N  46.0W
MAX WIND  95 KT...GUSTS 115 KT
64 KT... 30NE  30SE  30SW  30NW
50 KT... 60NE  60SE  60SW  60NW
34 KT...120NE 100SE 100SW 120NW
 
FORECAST VALID 15/0600Z 17.7N  48.6W
MAX WIND 100 KT...GUSTS 120 KT
64 KT... 35NE  35SE  35SW  35NW
50 KT... 75NE  75SE  75SW  75NW
34 KT...150NE 100SE 100SW 150NW
 
FORECAST VALID 15/1800Z 18.1N  51.5W
MAX WIND 105 KT...GUSTS 130 KT
64 KT... 35NE  35SE  35SW  35NW
50 KT... 75NE  75SE  75SW  75NW
34 KT...150NE 100SE 100SW 150NW
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 16.7N  43.9W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 16/0600Z 18.5N  54.5W
MAX WIND 110 KT...GUSTS 135 KT
50 KT... 75NE  75SE  75SW  75NW
 
OUTLOOK VALID 17/0600Z 19.0N  60.0W
MAX WIND 110 KT...GUSTS 135 KT
50 KT... 75NE  75SE  75SW  75NW
 
NEXT ADVISORY AT 14/1500Z
 
BEVEN
 
STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE
FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC.
 
 
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