Hurricane ISABEL
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HURRICANE ISABEL FORECAST/ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL132003
0900Z THU SEP 11 2003
HURRICANE CENTER LOCATED NEAR 21.3N 53.7W AT 11/0900Z
POSITION ACCURATE WITHIN 15 NM
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 9 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 936 MB
EYE DIAMETER 25 NM
MAX SUSTAINED WINDS 125 KT WITH GUSTS TO 155 KT.
64 KT....... 50NE 40SE 40SW 50NW.
50 KT.......100NE 60SE 60SW 100NW.
34 KT.......160NE 120SE 120SW 160NW.
12 FT SEAS..275NE 200SE 220SW 275NW.
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 53.7W AT 11/0900Z
AT 11/0600Z CENTER WAS LOCATED NEAR 21.2N 53.2W
FORECAST VALID 11/1800Z 21.4N 55.1W
MAX WIND 125 KT...GUSTS 155 KT.
64 KT... 50NE 30SE 30SW 50NW.
50 KT...100NE 60SE 40SW 80NW.
34 KT...160NE 120SE 100SW 120NW.
FORECAST VALID 12/0600Z 21.7N 57.0W
MAX WIND 125 KT...GUSTS 155 KT.
64 KT... 50NE 30SE 30SW 50NW.
50 KT...100NE 60SE 40SW 80NW.
34 KT...160NE 120SE 100SW 120NW.
FORECAST VALID 12/1800Z 22.0N 59.0W
MAX WIND 120 KT...GUSTS 145 KT.
64 KT... 50NE 30SE 30SW 50NW.
50 KT...100NE 60SE 40SW 80NW.
34 KT...160NE 120SE 100SW 120NW.
FORECAST VALID 13/0600Z 22.5N 61.0W
MAX WIND 120 KT...GUSTS 145 KT.
50 KT...100NE 60SE 40SW 80NW.
34 KT...160NE 120SE 100SW 120NW.
FORECAST VALID 14/0600Z 24.0N 65.0W
MAX WIND 115 KT...GUSTS 140 KT.
50 KT...100NE 60SE 40SW 80NW.
34 KT...160NE 120SE 100SW 120NW.
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 15/0600Z 25.0N 69.0W
MAX WIND 115 KT...GUSTS 140 KT.
OUTLOOK VALID 16/0600Z 26.0N 72.0W
MAX WIND 115 KT...GUSTS 140 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.3N 53.7W
NEXT ADVISORY AT 11/1500Z
FORECASTER AVILA
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