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#113365 (Received by flhurricane at: 10:40 AM 28.Sep.2006) TCMAT4 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 4 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006 1500 UTC THU SEP 28 2006 TROPICAL STORM CENTER LOCATED NEAR 28.2N 54.7W AT 28/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 320 DEGREES AT 7 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1008 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT.......100NE 75SE 0SW 0NW. 12 FT SEAS..100NE 150SE 50SW 100NW. 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 28.2N 54.7W AT 28/1500Z AT 28/1200Z CENTER WAS LOCATED NEAR 27.9N 54.5W FORECAST VALID 29/0000Z 28.9N 55.4W MAX WIND 40 KT...GUSTS 50 KT. 34 KT...100NE 75SE 50SW 50NW. FORECAST VALID 29/1200Z 29.9N 56.6W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...100NE 75SE 50SW 50NW. FORECAST VALID 30/0000Z 30.9N 57.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...100NE 75SE 50SW 75NW. FORECAST VALID 30/1200Z 32.2N 58.8W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 40NE 30SE 0SW 30NW. 34 KT...100NE 75SE 50SW 75NW. FORECAST VALID 01/1200Z 35.5N 59.5W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 50NE 40SE 25SW 40NW. 34 KT...100NE 100SE 50SW 75NW. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 225 NM ON DAY 4 AND 300 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY OUTLOOK VALID 02/1200Z 41.5N 56.0W...EXTRATROPICAL MAX WIND 50 KT...GUSTS 60 KT. OUTLOOK VALID 03/1200Z 47.5N 46.5W...EXTRATROPICAL MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 28.2N 54.7W NEXT ADVISORY AT 28/2100Z $$ FORECASTER BLAKE/STEWART |