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TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER  40
NATIONAL WEATHER SERVICE MIAMI FL   AL1300
0900Z SUN OCT 01 2000 
 
TROPICAL STORM CENTER LOCATED NEAR 41.6N  43.8W AT 01/0900Z
POSITION ACCURATE WITHIN  60 NM
 
PRESENT MOVEMENT TOWARD THE EAST-NORTHEAST OR  60 DEGREES AT 26 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  991 MB
MAX SUSTAINED WINDS  60 KT WITH GUSTS TO  75 KT.
50 KT.......120NE 100SE  85SW 100NW.
34 KT.......225NE 225SE 150SW 180NW.
12 FT SEAS..500NE 500SE 300SW 400NW.
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 41.6N  43.8W AT 01/0900Z
AT 01/0600Z CENTER WAS LOCATED NEAR 41.0N  45.3W
 
FORECAST VALID 01/1800Z 43.5N  39.5W...EXTRATROPICAL
MAX WIND  55 KT...GUSTS  65 KT.
50 KT...120NE 100SE  85SW 100NW.
34 KT...225NE 225SE 150SW 180NW.
 
FORECAST VALID 02/0600Z 46.2N  32.5W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...100NE  80SE  65SW  80NW.
34 KT...200NE 200SE 130SW 150NW.
 
FORECAST VALID 02/1800Z 49.5N  23.5W...EXTRATROPICAL
MAX WIND  50 KT...GUSTS  60 KT.
50 KT...100NE  80SE  65SW  80NW.
34 KT...200NE 200SE 130SW 150NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 41.6N  43.8W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
NEXT ADVISORY AT 01/1500Z
 
FORECASTER STEWART
 
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