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ZCZC MIATCMAT5 ALL TTAA00 KNHC DDHHMM TROPICAL DEPRESSION KATRINA FORECAST/ADVISORY NUMBER 12 NATIONAL WEATHER SERVICE MIAMI FL AL1599 1500Z SUN OCT 31 1999 A TROPICAL STORM WATCH MAY BE REQUIRED FOR PORTIONS OF THE WEST FLORIDA COAST LATER TODAY OR TONIGHT. ALL INTERESTS ELSEWHERE IN FLORIDA..AND THE CENTRAL AND EASTERN GULF OF MEXICO SHOULD CLOSELY MONITOR THE PROGRESS OF THIS SYSTEM. TROPICAL DEPRESSION CENTER LOCATED NEAR 19.3N 88.2W AT 31/1500Z POSITION ACCURATE WITHIN 60 NM PRESENT MOVEMENT TOWARD THE NORTH NORTHWEST OR 345 DEGREES AT 9 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 25 KT WITH GUSTS TO 35 KT ALL QUADRANT RADII IN NAUTICAL MILES REPEAT...CENTER LOCATED NEAR 19.3N 88.2W AT 31/1500Z AT 31/1200Z CENTER WAS LOCATED NEAR 19.0N 88.0W FORECAST VALID 01/0000Z 21.6N 88.3W MAX WIND 30 KT...GUSTS 40 KT FORECAST VALID 01/1200Z 25.0N 87.3W MAX WIND 35 KT...GUSTS 45 KT 34 KT... 50NE 50SE 25SW 25NW FORECAST VALID 02/0000Z 28.0N 84.5W MAX WIND 40 KT...GUSTS 50 KT 34 KT... 50NE 50SE 25SW 25NW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 19.3N 88.2W EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE OUTLOOK VALID 02/1200Z 31.0N 79.5W MAX WIND 40 KT...GUSTS 50 KT OUTLOOK VALID 03/1200Z 37.0N 70.0W...EXTRATROPICAL MAX WIND 40 KT...GUSTS 50 KT NEXT ADVISORY AT 31/2100Z GUINEY STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT5 AND WMO HEADER WTNT75 KNHC. NNNN