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HURRICANE FLORENCE FORECAST/ADVISORY NUMBER  21
NATIONAL WEATHER SERVICE MIAMI FL   AL1000
0900Z SAT SEP 16 2000
 
AT 5 AM AST...0900 UTC...THE GOVERNMENT OF BERMUDA HAS CHANGED THEIR
HURRICANE WARNING TO A TROPICAL STORM WARNING.
 
HURRICANE CENTER LOCATED NEAR 33.2N  65.2W AT 16/0900Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE NORTHEAST OR  45 DEGREES AT 20 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  992 MB
MAX SUSTAINED WINDS  65 KT WITH GUSTS TO  80 KT.
64 KT....... 25NE  50SE  25SW  10NW.
50 KT....... 40NE  60SE  40SW  20NW.
34 KT.......125NE 125SE 125SW  50NW.
12 FT SEAS..150NE 200SE 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 33.2N  65.2W AT 16/0900Z
AT 16/0600Z CENTER WAS LOCATED NEAR 32.5N  66.0W
 
FORECAST VALID 16/1800Z 35.5N  62.0W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 25NE  50SE  25SW  10NW.
50 KT... 40NE  60SE  40SW  20NW.
34 KT...125NE 125SE 125SW  50NW.
 
FORECAST VALID 17/0600Z 39.0N  57.5W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 25NE  50SE  25SW  10NW.
50 KT... 40NE  60SE  40SW  20NW.
34 KT...125NE 125SE 125SW  50NW.
 
FORECAST VALID 17/1800Z 43.5N  53.0W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 40NE  60SE  40SW  20NW.
34 KT...125NE 125SE 125SW  50NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 33.2N  65.2W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 18/0600Z 50.0N  49.0W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...100NE 100SE 100SW   0NW.
 
OUTLOOK VALID 19/0600Z 58.0N  48.0W...EXTRATROPICAL
MAX WIND  45 KT...GUSTS  55 KT.
 
NEXT ADVISORY AT 16/1500Z
 
FORECASTER LAWRENCE
 
 
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