000 WTNT24 KNHC 211456 TCMAT4 TROPICAL STORM IRENE FORECAST/ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 1500 UTC SUN AUG 21 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE TROPICAL STORM WARNING FOR PUERTO RICO...VIEQUES...AND CULEBRA IS CHANGED TO A HURRICANE WARNING. A HURRICANE WATCH HAS BEEN ISSUED FOR THE U.S. VIRGIN ISLANDS. THE GOVERNMENT OF THE DOMINICAN REPUBLIC HAS CHANGED THE TROPICAL STORM WARNING TO A HURRICANE WARNING FOR THE NORTH COAST OF THE DOMINICAN REPUBLIC FROM CABO ENGANO TO CABO FRANCES VIEJO. THE TROPICAL STORM WATCH FOR HAITI IS CHANGED TO A TROPICAL STORM WARNING. THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A TROPICAL STORM WATCH FOR THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * PUERTO RICO...VIEQUES...AND CULEBRA * THE DOMINICAN REPUBLIC FROM THE SOUTHERN BORDER WITH HAITI TO CABO FRANCES VIEJO ON THE NORTH COAST A HURRICANE WATCH IS IN EFFECT FOR... * U.S. VIRGIN ISLANDS A TROPICAL STORM WARNING IS IN EFFECT FOR... * U.S. VIRGIN ISLANDS * SABA...ST. EUSTATIUS...ST. MAARTEN...ST. MARTIN...AND ST. BARTHELEMY * ANTIGUA...BARBUDA...ST. KITTS...NEVIS...ANGUILLA...MONTSERRAT * BRITISH VIRGIN ISLANDS * NORTHERN COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER EASTWARD TO CABO FRANCES VIEJO * HAITI A TROPICAL STORM WATCH IS IN EFFECT FOR... * SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS TROPICAL STORM CENTER LOCATED NEAR 17.0N 63.2W AT 21/1500Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST-NORTHWEST OR 285 DEGREES AT 17 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1007 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......130NE 0SE 0SW 70NW. 12 FT SEAS..360NE 0SE 0SW 45NW. 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 17.0N 63.2W AT 21/1500Z AT 21/1200Z CENTER WAS LOCATED NEAR 16.8N 62.4W FORECAST VALID 22/0000Z 17.5N 65.5W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 40NE 0SE 0SW 30NW. 34 KT...130NE 40SE 40SW 80NW. FORECAST VALID 22/1200Z 18.2N 68.2W MAX WIND 65 KT...GUSTS 80 KT. 64 KT... 20NE 0SE 0SW 20NW. 50 KT... 40NE 20SE 0SW 30NW. 34 KT...130NE 50SE 50SW 90NW. FORECAST VALID 23/0000Z 18.9N 70.9W...INLAND MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 30NE 20SE 0SW 30NW. 34 KT...120NE 50SE 30SW 100NW. FORECAST VALID 23/1200Z 19.6N 73.3W...INLAND MAX WIND 45 KT...GUSTS 55 KT. 34 KT...140NE 90SE 60SW 110NW. FORECAST VALID 24/1200Z 21.5N 76.5W...OVER WATER MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 50NE 40SE 30SW 50NW. 34 KT...140NE 90SE 60SW 110NW. 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 25/1200Z 24.0N 79.0W MAX WIND 65 KT...GUSTS 80 KT. OUTLOOK VALID 26/1200Z 27.0N 81.5W...INLAND MAX WIND 50 KT...GUSTS 60 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 17.0N 63.2W NEXT ADVISORY AT 21/2100Z $$ FORECASTER PASCH