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#939248 (Received by flhurricane at: 4:33 PM 09.Sep.2018) TCMAT4 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 2100 UTC SUN SEP 09 2018 THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. TROPICAL STORM CENTER LOCATED NEAR 14.5N 40.3W AT 09/2100Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE WEST OR 275 DEGREES AT 10 KT ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB MAX SUSTAINED WINDS 60 KT WITH GUSTS TO 75 KT. 50 KT....... 20NE 10SE 0SW 20NW. 34 KT....... 40NE 20SE 10SW 30NW. 12 FT SEAS.. 90NE 60SE 60SW 60NW. 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 14.5N 40.3W AT 09/2100Z AT 09/1800Z CENTER WAS LOCATED NEAR 14.4N 39.8W FORECAST VALID 10/0600Z 14.6N 42.2W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 10NE 0SE 0SW 10NW. 50 KT... 20NE 10SE 10SW 20NW. 34 KT... 50NE 20SE 20SW 40NW. FORECAST VALID 10/1800Z 14.8N 45.0W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 15NE 0SE 0SW 10NW. 50 KT... 30NE 10SE 10SW 20NW. 34 KT... 60NE 30SE 20SW 50NW. FORECAST VALID 11/0600Z 14.9N 48.0W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 15NE 10SE 10SW 10NW. 50 KT... 30NE 20SE 20SW 20NW. 34 KT... 70NE 40SE 30SW 60NW. FORECAST VALID 11/1800Z 14.9N 50.9W MAX WIND 85 KT...GUSTS 105 KT. 64 KT... 20NE 10SE 10SW 15NW. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 80NE 50SE 40SW 60NW. FORECAST VALID 12/1800Z 15.0N 56.5W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 90NE 50SE 40SW 70NW. 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 13/1800Z 15.5N 63.0W MAX WIND 60 KT...GUSTS 75 KT. OUTLOOK VALID 14/1800Z 15.5N 69.5W MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.5N 40.3W NEXT ADVISORY AT 10/0300Z $$ FORECASTER BERG |