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HURRICANE ISAAC FORECAST/ADVISORY NUMBER  17
NATIONAL WEATHER SERVICE MIAMI FL   AL1300
1500Z MON SEP 25 2000
 
HURRICANE CENTER LOCATED NEAR 17.4N  40.8W AT 25/1500Z
POSITION ACCURATE WITHIN  20 NM
 
PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 300 DEGREES AT  9 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  970 MB
EYE DIAMETER  10 NM
MAX SUSTAINED WINDS  90 KT WITH GUSTS TO 110 KT.
64 KT....... 25NE  25SE  25SW  25NW.
50 KT....... 60NE  45SE  45SW  60NW.
34 KT.......120NE 100SE 100SW 120NW.
12 FT SEAS..200NE 150SE 150SW 200NW.
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 17.4N  40.8W AT 25/1500Z
AT 25/1200Z CENTER WAS LOCATED NEAR 17.2N  40.4W
 
FORECAST VALID 26/0000Z 18.0N  42.0W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 25NE  25SE  25SW  25NW.
50 KT... 60NE  45SE  45SW  60NW.
34 KT...120NE 100SE 100SW 120NW.
 
FORECAST VALID 26/1200Z 19.0N  44.0W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 25NE  25SE  25SW  25NW.
50 KT... 60NE  45SE  45SW  60NW.
34 KT...120NE 100SE 100SW 120NW.
 
FORECAST VALID 27/0000Z 20.0N  46.0W
MAX WIND  90 KT...GUSTS 110 KT.
64 KT... 25NE  25SE  25SW  25NW.
50 KT... 60NE  45SE  45SW  60NW.
34 KT...120NE 100SE 100SW 120NW.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.4N  40.8W
 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE
 
OUTLOOK VALID 27/1200Z 21.0N  48.0W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 60NE  45SE  45SW  60NW.
 
OUTLOOK VALID 28/1200Z 23.0N  52.0W
MAX WIND  85 KT...GUSTS 105 KT.
50 KT... 60NE  45SE  45SW  60NW.
 
NEXT ADVISORY AT 25/2100Z
 
FORECASTER PASCH
 
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