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ZCZC MIATCMAT4 ALL TTAA00 KNHC DDHHMM HURRICANE GERT FORECAST/ADVISORY NUMBER 16 NATIONAL WEATHER SERVICE MIAMI FL AL0999 0900Z WED SEP 15 1999 HURRICANE CENTER LOCATED NEAR 17.6N 48.5W AT 15/0900Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 11 KT ESTIMATED MINIMUM CENTRAL PRESSURE 952 MB EYE DIAMETER 25 NM MAX SUSTAINED WINDS 110 KT WITH GUSTS TO 135 KT 64 KT....... 30NE 30SE 30SW 30NW 50 KT....... 60NE 60SE 60SW 60NW 34 KT.......120NE 100SE 100SW 120NW 12 FT SEAS..200NE 125SE 125SW 200NW ALL QUADRANT RADII IN NAUTICAL MILES REPEAT...CENTER LOCATED NEAR 17.6N 48.5W AT 15/0900Z AT 15/0600Z CENTER WAS LOCATED NEAR 17.5N 47.9W FORECAST VALID 15/1800Z 17.9N 50.2W MAX WIND 115 KT...GUSTS 140 KT 64 KT... 30NE 30SE 30SW 30NW 50 KT... 75NE 75SE 75SW 75NW 34 KT...150NE 125SE 125SW 150NW FORECAST VALID 16/0600Z 18.5N 52.4W MAX WIND 120 KT...GUSTS 145 KT 64 KT... 30NE 30SE 30SW 30NW 50 KT... 75NE 75SE 75SW 75NW 34 KT...150NE 125SE 125SW 150NW FORECAST VALID 16/1800Z 19.4N 54.7W MAX WIND 120 KT...GUSTS 145 KT 64 KT... 30NE 30SE 30SW 30NW 50 KT... 75NE 75SE 75SW 75NW 34 KT...150NE 125SE 125SW 150NW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.6N 48.5W EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE OUTLOOK VALID 17/0600Z 20.5N 57.0W MAX WIND 115 KT...GUSTS 140 KT 50 KT... 75NE 75SE 75SW 75NW OUTLOOK VALID 18/0600Z 23.5N 60.5W MAX WIND 115 KT...GUSTS 140 KT 50 KT... 75NE 75SE 75SW 75NW NEXT ADVISORY AT 15/1500Z BEVEN STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT4 AND WMO HEADER WTNT74 KNHC. NNNN