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HURRICANE FLORENCE FORECAST/ADVISORY NUMBER  20
NATIONAL WEATHER SERVICE MIAMI FL   AL1000
0300Z SAT SEP 16 2000
 
A HURRICANE WARNING REMAINS IN EFFECT FOR BERMUDA.
 
HURRICANE CENTER LOCATED NEAR 31.4N  66.4W AT 16/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR  60 DEGREES AT 21 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  991 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 20NE  20SE  10SW  10NW.
50 KT....... 35NE  45SE  20SW  20NW.
34 KT.......100NE 150SE  60SW  60NW.
12 FT SEAS..130NE 180SE 150SW 100NW.
WINDS AND SEAS VARY GREATLY IN EACH QUADRANT.  RADII IN NAUTICAL
MILES ARE THE LARGEST RADII EXPECTED ANYWHERE IN THAT QUADRANT.
 
REPEAT...CENTER LOCATED NEAR 31.4N  66.4W AT 16/0300Z
AT 16/0000Z CENTER WAS LOCATED NEAR 30.8N  67.5W
 
FORECAST VALID 16/1200Z 33.3N  63.1W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 20NE  20SE  10SW  10NW.
50 KT... 35NE  45SE  20SW  20NW.
34 KT...100NE 150SE  60SW  60NW.
 
FORECAST VALID 17/0000Z 36.4N  58.9W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 50NE  50SE  20SW  20NW.
34 KT...100NE 150SE  60SW  60NW.
 
FORECAST VALID 17/1200Z 40.2N  55.2W
MAX WIND  55 KT...GUSTS  65 KT.
50 KT... 50NE  50SE  20SW  20NW.
34 KT...100NE 150SE  60SW  60NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 31.4N  66.4W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 18/0000Z 44.4N  51.7W...BECOMING EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT.
 
OUTLOOK VALID 19/0000Z 53.9N  46.7W...EXTRATROPICAL
MAX WIND  40 KT...GUSTS  50 KT.
 
NEXT ADVISORY AT 16/0900Z
 
FORECASTER STEWART
 
 
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