000 WTNT24 KNHC 252049 TCMAT4 TROPICAL STORM ISAAC FORECAST/ADVISORY NUMBER 19 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 2100 UTC SAT AUG 25 2012 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A TROPICAL STORM WATCH HAS BEEN ISSUED FOR THE FLORIDA WEST COAST NORTH OF TARPON SPRINGS TO SUWANNEE RIVER. THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS DISCONTINUED THE TROPICAL STORM WARNING FOR THE DOMINICAN REPUBLIC. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * THE FLORIDA KEYS INCLUDING THE DRY TORTUGAS * THE WEST COAST OF FLORIDA FROM BONITA BEACH SOUTHWARD TO OCEAN REEF * FLORIDA BAY A HURRICANE WATCH IS IN EFFECT FOR... * THE FLORIDA EAST COAST FROM GOLDEN BEACH SOUTHWARD TO OCEAN REEF * ANDROS ISLAND IN THE BAHAMAS A TROPICAL STORM WARNING IS IN EFFECT FOR... * HAITI * CUBAN PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS...VILLA CLARA...CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN...SANTIAGO DE CUBA...AND GUANTANAMO * THE BAHAMAS * TURKS AND CAICOS ISLANDS * THE FLORIDA EAST COAST FROM SEBASTIAN INLET SOUTHWARD TO OCEAN REEF * LAKE OKEECHOBEE A TROPICAL STORM WATCH IS IN EFFECT FOR... * CUBAN PROVINCES OF MATANZAS AND CIENFUEGOS * THE FLORIDA EAST COAST NORTH OF SEBASTIAN INLET TO FLAGLER BEACH * THE FLORIDA WEST COAST NORTH OF BONITA BEACH TO SUWANNEE RIVER A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. A WARNING IS TYPICALLY ISSUED 36 HOURS BEFORE THE ANTICIPATED FIRST OCCURRENCE OF TROPICAL STORM FORCE WINDS...CONDITIONS THAT MAKE OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. PREPARATIONS TO PROTECT LIFE AND PROPERTY SHOULD BE RUSHED TO COMPLETION. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24 TO 36 HOURS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS IN THE REMAINDER OF CUBA...THE REMAINDER OF FLORIDA...AND ELSEWHERE ALONG THE NORTHERN GULF COAST SHOULD MONITOR THE PROGRESS OF ISAAC. TROPICAL STORM CENTER LOCATED NEAR 21.3N 76.0W AT 25/2100Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE NORTHWEST OR 310 DEGREES AT 18 KT ESTIMATED MINIMUM CENTRAL PRESSURE 997 MB MAX SUSTAINED WINDS 50 KT WITH GUSTS TO 60 KT. 50 KT....... 60NE 0SE 0SW 0NW. 34 KT.......180NE 90SE 0SW 180NW. 12 FT SEAS..300NE 120SE 0SW 270NW. 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 21.3N 76.0W AT 25/2100Z AT 25/1800Z CENTER WAS LOCATED NEAR 20.8N 75.3W FORECAST VALID 26/0600Z 22.6N 78.0W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 60NE 0SE 0SW 0NW. 34 KT...180NE 90SE 60SW 180NW. FORECAST VALID 26/1800Z 24.1N 80.6W MAX WIND 60 KT...GUSTS 75 KT. 50 KT... 60NE 30SE 0SW 30NW. 34 KT...180NE 90SE 60SW 180NW. FORECAST VALID 27/0600Z 25.2N 82.7W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 30NE 0SE 0SW 0NW. 50 KT... 60NE 40SE 20SW 50NW. 34 KT...180NE 100SE 80SW 160NW. FORECAST VALID 27/1800Z 26.5N 84.3W MAX WIND 75 KT...GUSTS 90 KT. 50 KT... 70NE 50SE 30SW 60NW. 34 KT...180NE 110SE 90SW 150NW. FORECAST VALID 28/1800Z 29.0N 86.0W MAX WIND 85 KT...GUSTS 105 KT. 50 KT... 80NE 60SE 50SW 70NW. 34 KT...180NE 130SE 110SW 140NW. 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 29/1800Z 31.5N 86.0W...INLAND MAX WIND 55 KT...GUSTS 65 KT. OUTLOOK VALID 30/1800Z 33.5N 85.5W...INLAND MAX WIND 25 KT...GUSTS 35 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 21.3N 76.0W NEXT ADVISORY AT 26/0300Z $$ FORECASTER BEVEN