ZCZC MIATCMAT2 ALL TTAA00 KNHC DDHHMM HURRICANE GEORGES FORECAST/ADVISORY NUMBER 18 NATIONAL WEATHER SERVICE MIAMI FL AL0798 2100Z SAT SEP 19 1998 AT 5 PM AST...2100 UTC...THE RESPECTIVE GOVERNMENTS OF THE DIFFERENT ISLANDS OF THE LESSER ANTILLES HAVE ISSUED A HURRICANE WARNING FROM DOMINICA NORTHWARD TO ANGUILLA EXCEPT FOR THE FRENCH ISLAND OF ST. BARTHELEMY AND THE FRENCH PORTION OF ST. MARTIN WHICH REMAIN UNDER A HURRICANE WATCH. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS COULD OCCUR WITHIN THE WARNING AREA WITHIN THE NEXT 24 HOURS. AT 5 PM AST...2100 UTC...A HURRICANE WATCH IS ISSUED FOR PUERTO RICO. A HURRICANE WATCH IS NOW IN EFFECT FROM MARTINIQUE SOUTHWARD TO ST. LUCIA...FOR THE BRITISH AND U.S. VIRGIN ISLANDS...ST. BARTHELEMY ...FRENCH ST. MARTIN AND FOR PUERTO RICO. HURRICANE CENTER LOCATED NEAR 15.7N 54.4W AT 19/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST NORTHWEST OR 290 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 944 MB EYE DIAMETER 25 NM MAX SUSTAINED WINDS 125 KT WITH GUSTS TO 150 KT 64 KT....... 40NE 40SE 40SW 40NW 50 KT....... 80NE 80SE 80SW 80NW 34 KT.......175NE 110SE 110SW 175NW 12 FT SEAS..325NE 200SE 200SW 325NW ALL QUADRANT RADII IN NAUTICAL MILES REPEAT...CENTER LOCATED NEAR 15.7N 54.4W AT 19/2100Z AT 19/1800Z CENTER WAS LOCATED NEAR 15.4N 53.5W FORECAST VALID 20/0600Z 16.5N 57.0W MAX WIND 125 KT...GUSTS 150 KT 64 KT... 40NE 40SE 40SW 40NW 50 KT... 80NE 80SE 80SW 80NW 34 KT...175NE 110SE 110SW 175NW FORECAST VALID 20/1800Z 17.0N 60.3W MAX WIND 130 KT...GUSTS 160 KT 64 KT... 40NE 40SE 40SW 40NW 50 KT... 80NE 80SE 80SW 80NW 34 KT...180NE 120SE 120SW 180NW FORECAST VALID 21/0600Z 17.5N 63.5W MAX WIND 130 KT...GUSTS 160 KT 64 KT... 40NE 40SE 40SW 40NW 50 KT... 90NE 90SE 90SW 90NW 34 KT...180NE 120SE 120SW 180NW REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.7N 54.4W EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE OUTLOOK VALID 21/1800Z 18.0N 66.5W MAX WIND 130 KT...GUSTS 160 KT 50 KT... 90NE 90SE 90SW 90NW OUTLOOK VALID 22/1800Z 18.5N 72.5W MAX WIND 130 KT...GUSTS 160 KT 50 KT... 90NE 90SE 90SW 90NW NEXT ADVISORY AT 20/0300Z AVILA STRIKE PROBABILITIES ASSOCIATED WITH THIS ADVISORY NUMBER CAN BE FOUND UNDER AFOS HEADER MIASPFAT2 AND WMO HEADER WTNT72 KNHC. NNNN