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#114023 (Received by flhurricane at: 10:46 AM 02.Oct.2006) TCMAT4 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 20 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL092006 1500 UTC MON OCT 02 2006 A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE AVALON PENINSULA IN SOUTHEASTERN NEWFOUNDLAND. A TROPICAL STORM WATCH REMAINS IN EFFECT FOR THE BURIN PENINSULA AND BONAVISTA PENINSULA IN SOUTHEASTERN NEWFOUNDLAND. TROPICAL STORM CENTER LOCATED NEAR 44.3N 55.0W AT 02/1500Z POSITION ACCURATE WITHIN 45 NM PRESENT MOVEMENT TOWARD THE NORTH-NORTHEAST OR 30 DEGREES AT 36 KT ESTIMATED MINIMUM CENTRAL PRESSURE 994 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 60NE 60SE 25SW 25NW. 34 KT.......225NE 250SE 75SW 75NW. 12 FT SEAS..150NE 275SE 150SW 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 44.3N 55.0W AT 02/1500Z AT 02/1200Z CENTER WAS LOCATED NEAR 42.5N 56.3W FORECAST VALID 03/0000Z 49.0N 51.0W...EXTRATROPICAL MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 75NE 50SE 40SW 40NW. 34 KT...250NE 200SE 75SW 75NW. FORECAST VALID 03/1200Z 52.0N 47.0W...EXTRATROPICAL MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 50NE 50SE 40SW 0NW. 34 KT...250NE 200SE 75SW 75NW. FORECAST VALID 04/0000Z...MERGED WITH EXTRATROPICAL LOW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 44.3N 55.0W NEXT ADVISORY AT 02/2100Z $$ FORECASTER BROWN/PASCH |