Tropical Storm ISABEL
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TROPICAL STORM ISABEL FORECAST/ADVISORY NUMBER 4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL132003
0300Z SUN SEP 07 2003
TROPICAL STORM CENTER LOCATED NEAR 13.4N 36.1W AT 07/0300Z
POSITION ACCURATE WITHIN 30 NM
PRESENT MOVEMENT TOWARD THE WEST OR 270 DEGREES AT 9 KT
ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB
MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT.
50 KT....... 25NE 25SE 25SW 25NW.
34 KT....... 75NE 75SE 75SW 75NW.
12 FT SEAS.. 75NE 75SE 75SW 75NW.
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 13.4N 36.1W AT 07/0300Z
AT 07/0000Z CENTER WAS LOCATED NEAR 13.4N 35.6W
FORECAST VALID 07/1200Z 13.4N 37.4W
MAX WIND 60 KT...GUSTS 75 KT.
50 KT... 25NE 25SE 25SW 25NW.
34 KT... 75NE 75SE 75SW 75NW.
FORECAST VALID 08/0000Z 13.8N 39.4W
MAX WIND 65 KT...GUSTS 80 KT.
64 KT... 20NE 20SE 20SW 20NW.
50 KT... 30NE 30SE 30SW 30NW.
34 KT... 75NE 75SE 75SW 75NW.
FORECAST VALID 08/1200Z 14.7N 41.8W
MAX WIND 70 KT...GUSTS 85 KT.
64 KT... 20NE 20SE 20SW 20NW.
50 KT... 30NE 30SE 30SW 30NW.
34 KT... 75NE 75SE 75SW 75NW.
FORECAST VALID 09/0000Z 15.6N 44.4W
MAX WIND 75 KT...GUSTS 90 KT.
50 KT... 30NE 30SE 30SW 30NW.
34 KT... 75NE 75SE 75SW 75NW.
FORECAST VALID 10/0000Z 17.0N 49.4W
MAX WIND 80 KT...GUSTS 100 KT.
50 KT... 35NE 35SE 35SW 35NW.
34 KT... 90NE 90SE 90SW 90NW.
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 11/0000Z 18.0N 54.5W
MAX WIND 80 KT...GUSTS 100 KT.
OUTLOOK VALID 12/0000Z 18.5N 59.0W
MAX WIND 80 KT...GUSTS 100 KT.
REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 13.4N 36.1W
NEXT ADVISORY AT 07/0900Z
FORECASTER BEVEN
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