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#940279 (Received by flhurricane at: 10:39 PM 14.Sep.2018) TCMAT4 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 30 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 0300 UTC SAT SEP 15 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. INTERESTS IN JAMAICA SHOULD MONITOR THE PROGRESS OF ISAAC. TROPICAL STORM CENTER LOCATED NEAR 15.4N 69.5W AT 15/0300Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 13 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1002 MB MAX SUSTAINED WINDS 35 KT WITH GUSTS TO 45 KT. 34 KT....... 40NE 40SE 0SW 30NW. 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 15.4N 69.5W AT 15/0300Z AT 15/0000Z CENTER WAS LOCATED NEAR 15.4N 68.9W FORECAST VALID 15/1200Z 15.5N 71.3W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 40SE 0SW 30NW. FORECAST VALID 16/0000Z 15.7N 73.3W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 40SE 0SW 30NW. FORECAST VALID 16/1200Z 16.2N 75.3W MAX WIND 35 KT...GUSTS 45 KT. 34 KT... 40NE 40SE 0SW 30NW. FORECAST VALID 17/0000Z 16.7N 77.4W MAX WIND 30 KT...GUSTS 40 KT. FORECAST VALID 18/0000Z 18.7N 81.4W MAX WIND 30 KT...GUSTS 40 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 150 NM ON DAY 4 AND 175 NM ON DAY 5...AND FOR INTENSITY NEAR 15 KT EACH DAY OUTLOOK VALID 19/0000Z...DISSIPATED REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 15.4N 69.5W NEXT ADVISORY AT 15/0900Z $$ FORECASTER ZELINSKY |