000 WTNT24 KNHC 291440 TCMAT4 HURRICANE ISAAC FORECAST/ADVISORY NUMBER 34 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 1500 UTC WED AUG 29 2012 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING HAS BEEN DISCONTINUED EAST OF THE ALABAMA-FLORIDA BORDER. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * EAST OF MORGAN CITY LOUISIANA TO THE MISSISSIPPI-ALABAMA BORDER... INCLUDING METROPOLITAN NEW ORLEANS...LAKE PONTCHARTRAIN...AND LAKE MAUREPAS A HURRICANE WATCH IS IN EFFECT FOR... * INTRACOASTAL CITY TO MORGAN CITY LOUISIANA A TROPICAL STORM WARNING IS IN EFFECT FOR... * EAST OF THE MISSISSIPPI-ALABAMA BORDER TO THE ALABAMA-FLORIDA BORDER * MORGAN CITY TO SABINE PASS TEXAS A TROPICAL STORM WATCH IS IN EFFECT FOR... * EAST OF HIGH ISLAND TEXAS TO JUST WEST OF SABINE PASS HURRICANE CENTER LOCATED NEAR 29.6N 90.7W AT 29/1500Z POSITION ACCURATE WITHIN 15 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 5 KT ESTIMATED MINIMUM CENTRAL PRESSURE 972 MB MAX SUSTAINED WINDS 65 KT WITH GUSTS TO 80 KT. 64 KT....... 30NE 40SE 0SW 0NW. 50 KT....... 80NE 70SE 40SW 40NW. 34 KT.......150NE 150SE 140SW 100NW. 12 FT SEAS..180NE 240SE 90SW 0NW. 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 29.6N 90.7W AT 29/1500Z AT 29/1200Z CENTER WAS LOCATED NEAR 29.4N 90.5W FORECAST VALID 30/0000Z 30.2N 91.4W...INLAND MAX WIND 55 KT...GUSTS 70 KT. 50 KT... 50NE 60SE 40SW 30NW. 34 KT...130NE 150SE 140SW 100NW. FORECAST VALID 30/1200Z 31.2N 92.2W...INLAND MAX WIND 45 KT...GUSTS 60 KT. 34 KT... 90NE 120SE 120SW 70NW. FORECAST VALID 31/0000Z 32.8N 93.1W...INLAND MAX WIND 30 KT...GUSTS 45 KT. FORECAST VALID 31/1200Z 34.6N 93.5W...INLAND MAX WIND 25 KT...GUSTS 40 KT. FORECAST VALID 01/1200Z 38.0N 92.5W...POST-TROP/REMNT LOW MAX WIND 20 KT...GUSTS 30 KT. EXTENDED OUTLOOK. NOTE...ERRORS FOR TRACK HAVE AVERAGED NEAR 175 NM ON DAY 4 AND 225 NM ON DAY 5...AND FOR INTENSITY NEAR 20 KT EACH DAY OUTLOOK VALID 02/1200Z 40.0N 89.0W...POST-TROP/REMNT LOW MAX WIND 15 KT...GUSTS 20 KT. OUTLOOK VALID 03/1200Z 41.0N 85.0W...POST-TROP/REMNT LOW MAX WIND 15 KT...GUSTS 20 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 29.6N 90.7W NEXT ADVISORY AT 29/2100Z $$ FORECASTER STEWART