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Hurricane Isaac Forecast Advisory Number 11

2018-09-10 11:12:20| National Hurricane Center (Atlantic)

Issued at 0900 UTC MON SEP 10 2018 806 WTNT24 KNHC 100911 CCA TCMAT4 HURRICANE ISAAC FORECAST/ADVISORY NUMBER 11...CORRECTED NWS NATIONAL HURRICANE CENTER MIAMI FL AL092018 0900 UTC MON SEP 10 2018 CORRECTED INTENSITY FORECAST THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. INTERESTS IN THE LESSER ANTILLES SHOULD MONITOR THE PROGRESS OF ISAAC. HURRICANE CENTER LOCATED NEAR 14.7N 42.7W AT 10/0900Z POSITION ACCURATE WITHIN 20 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 12 KT ESTIMATED MINIMUM CENTRAL PRESSURE 993 MB MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT. 64 KT....... 10NE 0SE 0SW 10NW. 50 KT....... 20NE 10SE 10SW 20NW. 34 KT....... 40NE 20SE 20SW 40NW. 12 FT SEAS.. 60NE 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 14.7N 42.7W AT 10/0900Z AT 10/0600Z CENTER WAS LOCATED NEAR 14.6N 42.1W FORECAST VALID 10/1800Z 14.8N 44.6W MAX WIND 70 KT...GUSTS 85 KT. 64 KT... 10NE 0SE 0SW 10NW. 50 KT... 20NE 10SE 10SW 20NW. 34 KT... 50NE 20SE 20SW 50NW. FORECAST VALID 11/0600Z 15.0N 47.4W MAX WIND 75 KT...GUSTS 90 KT. 64 KT... 10NE 10SE 10SW 10NW. 50 KT... 30NE 20SE 20SW 20NW. 34 KT... 50NE 30SE 30SW 50NW. FORECAST VALID 11/1800Z 15.0N 50.3W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 15NE 10SE 10SW 10NW. 50 KT... 30NE 20SE 20SW 20NW. 34 KT... 70NE 40SE 40SW 70NW. FORECAST VALID 12/0600Z 15.0N 53.0W MAX WIND 80 KT...GUSTS 100 KT. 64 KT... 20NE 10SE 10SW 15NW. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 80NE 40SE 40SW 70NW. FORECAST VALID 13/0600Z 15.3N 58.0W MAX WIND 70 KT...GUSTS 85 KT. 50 KT... 40NE 20SE 20SW 30NW. 34 KT... 80NE 50SE 40SW 80NW. 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 14/0600Z 15.5N 64.0W MAX WIND 60 KT...GUSTS 75 KT. OUTLOOK VALID 15/0600Z 15.6N 69.2W MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.7N 42.7W NEXT ADVISORY AT 10/1500Z $$ FORECASTER CANGIALOSI

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