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HURRICANE ISAAC FORECAST/ADVISORY NUMBER  31
NATIONAL WEATHER SERVICE MIAMI FL   AL1300
0300Z FRI SEP 29 2000 

...CORRECTED 12 FT SEAS RADII...
 
HURRICANE CENTER LOCATED NEAR 28.6N  55.3W AT 29/0300Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE NORTH-NORTHWEST OR 345 DEGREES AT 15 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  946 MB
EYE DIAMETER  25 NM
MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.
64 KT....... 50NE  40SE  40SW  40NW.
50 KT....... 80NE  60SE  60SW  60NW.
34 KT.......200NE 150SE 150SW 150NW.
12 FT SEAS..450NE 375SE 250SW 300NW.
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 28.6N  55.3W AT 29/0300Z
AT 29/0000Z CENTER WAS LOCATED NEAR 27.9N  55.1W
 
FORECAST VALID 29/1200Z 30.7N  56.0W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 50NE  40SE  40SW  40NW.
50 KT... 80NE  60SE  60SW  60NW.
34 KT...200NE 150SE 150SW 150NW.
 
FORECAST VALID 30/0000Z 33.3N  55.8W
MAX WIND 110 KT...GUSTS 135 KT.
64 KT... 50NE  40SE  40SW  40NW.
50 KT... 80NE  60SE  60SW  60NW.
34 KT...200NE 150SE 150SW 150NW.
 
FORECAST VALID 30/1200Z 35.8N  54.1W
MAX WIND 105 KT...GUSTS 130 KT.
64 KT... 50NE  50SE  40SW  40NW.
50 KT... 80NE  80SE  60SW  60NW.
34 KT...175NE 175SE 125SW 125NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.6N  55.3W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 01/0000Z 38.0N  51.5W
MAX WIND 95 KT...GUSTS 115 KT.
50 KT... 60NE  75SE  60SW  60NW.
 
OUTLOOK VALID 02/0000Z 42.5N  44.5W
MAX WIND  75 KT...GUSTS  90 KT.
50 KT... 60NE  75SE  60SW  60NW.
 
NEXT ADVISORY AT 29/0900Z
 
FORECASTER STEWART
  
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