Hurricane ISABEL

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HURRICANE ISABEL FORECAST/ADVISORY NUMBER  23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL132003
2100Z THU SEP 11 2003
 
HURRICANE CENTER LOCATED NEAR 21.6N  55.3W AT 11/2100Z
POSITION ACCURATE WITHIN  15 NM
 
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT   8 KT
 
ESTIMATED MINIMUM CENTRAL PRESSURE  921 MB
EYE DIAMETER  15 NM
MAX SUSTAINED WINDS 140 KT WITH GUSTS TO 170 KT.
64 KT....... 50NE  40SE  40SW  50NW.
50 KT.......100NE  60SE  60SW 100NW.
34 KT.......160NE 120SE 120SW 160NW.
12 FT SEAS..300NE 250SE 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 21.6N  55.3W AT 11/2100Z
AT 11/1800Z CENTER WAS LOCATED NEAR 21.5N  54.9W
 
FORECAST VALID 12/0600Z 21.7N  56.7W
MAX WIND 140 KT...GUSTS 170 KT.
64 KT... 50NE  30SE  30SW  50NW.
50 KT...100NE  60SE  40SW  80NW.
34 KT...160NE 120SE 100SW 140NW.
 
FORECAST VALID 12/1800Z 21.9N  58.6W
MAX WIND 135 KT...GUSTS 165 KT.
64 KT... 50NE  30SE  30SW  50NW.
50 KT...100NE  60SE  40SW  80NW.
34 KT...160NE 120SE 100SW 140NW.
 
FORECAST VALID 13/0600Z 22.4N  60.5W
MAX WIND 130 KT...GUSTS 160 KT.
64 KT... 50NE  30SE  30SW  50NW.
50 KT...100NE  60SE  40SW  80NW.
34 KT...160NE 120SE 100SW 140NW.
 
FORECAST VALID 13/1800Z 22.9N  62.3W
MAX WIND 125 KT...GUSTS 155 KT.
50 KT...100NE  60SE  40SW  80NW.
34 KT...160NE 120SE 100SW 140NW.
 
FORECAST VALID 14/1800Z 24.0N  65.5W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT...100NE  60SE  40SW  80NW.
34 KT...160NE 120SE 100SW 140NW.
 
EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 275 NM
ON DAY 4 AND 375 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY
 
OUTLOOK VALID 15/1800Z 25.0N  68.5W
MAX WIND 115 KT...GUSTS 140 KT.
 
OUTLOOK VALID 16/1800Z 26.0N  71.5W
MAX WIND 115 KT...GUSTS 140 KT.
 
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.6N  55.3W
 
NEXT ADVISORY AT 12/0300Z
 
FORECASTER PASCH
 
 
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