Hurricane ISABEL
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HURRICANE ISABEL FORECAST/ADVISORY NUMBER 18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL132003
1500Z WED SEP 10 2003
HURRICANE CENTER LOCATED NEAR 21.3N 50.9W AT 10/1500Z
POSITION ACCURATE WITHIN 15 NM
PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 10 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 948 MB
EYE DIAMETER 25 NM
MAX SUSTAINED WINDS 115 KT WITH GUSTS TO 140 KT.
64 KT....... 40NE 30SE 30SW 40NW.
50 KT.......100NE 50SE 50SW 100NW.
34 KT.......160NE 120SE 120SW 160NW.
12 FT SEAS..250NE 175SE 175SW 250NW.
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 21.3N 50.9W AT 10/1500Z
AT 10/1200Z CENTER WAS LOCATED NEAR 21.2N 50.4W
FORECAST VALID 11/0000Z 21.5N 52.4W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 40NE 30SE 30SW 40NW.
50 KT...100NE 50SE 50SW 100NW.
34 KT...160NE 120SE 120SW 160NW.
FORECAST VALID 11/1200Z 21.7N 54.4W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 50NE 40SE 40SW 50NW.
50 KT...100NE 60SE 60SW 100NW.
34 KT...160NE 120SE 120SW 160NW.
FORECAST VALID 12/0000Z 21.8N 56.0W
MAX WIND 115 KT...GUSTS 140 KT.
64 KT... 50NE 40SE 40SW 50NW.
50 KT...100NE 60SE 60SW 100NW.
34 KT...160NE 120SE 120SW 160NW.
FORECAST VALID 12/1200Z 21.9N 57.8W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT...100NE 60SE 60SW 100NW.
34 KT...160NE 120SE 120SW 160NW.
FORECAST VALID 13/1200Z 22.0N 61.0W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT...100NE 60SE 60SW 100NW.
34 KT...160NE 120SE 120SW 160NW.
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 14/1200Z 23.0N 64.5W
MAX WIND 110 KT...GUSTS 135 KT.
OUTLOOK VALID 15/1200Z 23.5N 68.0W
MAX WIND 110 KT...GUSTS 135 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.3N 50.9W
NEXT ADVISORY AT 10/2100Z
FORECASTER STEWART
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