ZCZC MIATCMAT1 ALL TTAA00 KNHC DDHHMM COR TROPICAL STORM ALEX FORECAST/ADVISORY NUMBER 21 NATIONAL WEATHER SERVICE MIAMI FL AL0198 1500Z SAT AUG 01 1998 COR FOR GUSTS AT INITIAL TIME TROPICAL STORM CENTER LOCATED NEAR 17.5N 55.0W AT 01/1500Z POSITION ACCURATE WITHIN 60 NM PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 290 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT 34 KT.......125NE 30SE 30SW 125NW 12 FT SEAS..125NE 30SE 30SW 125NW ALL QUADRANT RADII IN NAUTICAL MILES REPEAT...CENTER LOCATED NEAR 17.5N 55.0W AT 01/1500Z AT 01/1200Z CENTER WAS LOCATED NEAR 17.1N 54.6W FORECAST VALID 02/0000Z 18.0N 57.2W MAX WIND 35 KT...GUSTS 45 KT 34 KT...125NE 30SE 30SW 125NW FORECAST VALID 02/1200Z 19.0N 59.5W MAX WIND 35 KT...GUSTS 45 KT 34 KT...125NE 30SE 30SW 125NW FORECAST VALID 03/0000Z 20.0N 61.5W MAX WIND 35 KT...GUSTS 45 KT 34 KT...125NE 30SE 30SW 125NW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.5N 55.0W EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE OUTLOOK VALID 03/1200Z 21.5N 63.5W MAX WIND 35 KT...GUSTS 45 KT OUTLOOK VALID 04/1200Z 24.5N 68.5W MAX WIND 35 KT...GUSTS 45 KT NEXT ADVISORY AT 01/2100Z AVILA STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT1 AND WMO HEADER WTNT71 KNHC. NNNN