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TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER   7
NATIONAL WEATHER SERVICE MIAMI FL   AL1300
0300Z SAT SEP 23 2000
 
TROPICAL STORM CENTER LOCATED NEAR 13.8N  31.7W AT 23/0300Z
POSITION ACCURATE WITHIN  30 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 11 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  995 MB
EYE DIAMETER  10 NM
MAX SUSTAINED WINDS  55 KT WITH GUSTS TO  65 KT.
50 KT....... 20NE  20SE  20SW  20NW.
34 KT....... 65NE  45SE  45SW  65NW.
12 FT SEAS.. 75NE  50SE  50SW  75NW.
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 13.8N  31.7W AT 23/0300Z
AT 23/0000Z CENTER WAS LOCATED NEAR 13.7N  31.2W
 
FORECAST VALID 23/1200Z 14.1N  33.5W
MAX WIND  60 KT...GUSTS  75 KT.
50 KT... 25NE  25SE  25SW  25NW.
34 KT... 80NE  60SE  60SW  80NW.
 
FORECAST VALID 24/0000Z 14.6N  36.0W
MAX WIND  65 KT...GUSTS  80 KT.
64 KT... 15NE  15SE  15SW  15NW.
50 KT... 30NE  30SE  30SW  30NW.
34 KT...100NE  75SE  75SW 100NW.
 
FORECAST VALID 24/1200Z 15.0N  38.5W
MAX WIND  70 KT...GUSTS  85 KT.
64 KT... 20NE  20SE  20SW  20NW.
50 KT... 35NE  35SE  35SW  35NW.
34 KT...100NE  75SE  75SW 100NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.8N  31.7W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 25/0000Z 15.5N  41.0W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 45NE  35SE  35SW  45NW.
 
OUTLOOK VALID 26/0000Z 16.0N  46.0W
MAX WIND  80 KT...GUSTS  95 KT.
50 KT... 45NE  35SE  35SW  45NW.
 
NEXT ADVISORY AT 23/0900Z
 
FORECASTER STEWART
 
 
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