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#451692 (Received by flhurricane at: 7:03 PM 20.Aug.2011) TCMAT4 TROPICAL STORM IRENE SPECIAL FORECAST/ADVISORY NUMBER 1 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 2300 UTC SAT AUG 20 2011 CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A TROPICAL STORM WARNING HAS BEEN ISSUED FOR PUERTO RICO AND THE U.S. VIRGIN ISLANDS...VIEQUES AND CULEBRA. THE GOVERNMENT OF CURACAO HAS ISSUED A TROPICAL STORM WARNING FOR SABA...ST. EUSTATIUS...AND ST. MAARTIN. THE METEOROLOGICAL SERVICE OF BARBADOS HAS ISSUED A TROPICAL STORM WARNING FOR DOMINICA. THE GOVERNMENT OF ANTIGUA HAS ISSUED A TROPICAL STORM WARNING FOR BARBUDA...ST. KITTS...NEVIS...ANTIGUA...AND MONTSERRAT... ANGUILLA...AND THE BRITISH VIRGIN ISLANDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * PUERTO RICO...U.S. VIRGIN ISLANDS...VIEQUES AND CULEBRA * SABA...ST. EUSTATIUS...AND ST. MAARTIN * DOMINICA * BARBUDA...ST. KITTS...NEVIS...ANTIGUA...ANGUILLA...AND MONTSERRAT * BRITISH VIRGIN ISLANDS TROPICAL STORM CONDITIONS COULD OCCUR ELSEWHERE IN THE NORTHERN LEEWARD ISLANDS TONIGHT AND EARLY SUNDAY. HURRICANE CONDITIONS COULD OCCUR IN THE DOMINICAN REPUBLIC LATE ON MONDAY. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. TROPICAL STORM CENTER LOCATED NEAR 14.9N 58.5W AT 20/2300Z POSITION ACCURATE WITHIN 30 NM PRESENT MOVEMENT TOWARD THE WEST OR 280 DEGREES AT 19 KT ESTIMATED MINIMUM CENTRAL PRESSURE 1006 MB MAX SUSTAINED WINDS 45 KT WITH GUSTS TO 55 KT. 34 KT.......105NE 0SE 0SW 45NW. 12 FT SEAS..480NE 0SE 0SW 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 14.9N 58.5W AT 20/2300Z AT 20/1800Z CENTER WAS LOCATED NEAR 14.6N 57.2W FORECAST VALID 21/0600Z 15.4N 61.1W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...105NE 0SE 0SW 60NW. FORECAST VALID 21/1800Z 16.1N 64.4W MAX WIND 50 KT...GUSTS 60 KT. 50 KT... 20NE 0SE 0SW 20NW. 34 KT...105NE 30SE 30SW 60NW. FORECAST VALID 22/0600Z 16.7N 67.0W MAX WIND 55 KT...GUSTS 65 KT. 50 KT... 20NE 0SE 0SW 20NW. 34 KT... 90NE 30SE 30SW 50NW. FORECAST VALID 22/1800Z 17.5N 69.6W MAX WIND 65 KT...GUSTS 80 KT. 50 KT... 30NE 20SE 20SW 30NW. 34 KT... 90NE 45SE 45SW 60NW. FORECAST VALID 23/1800Z 19.0N 74.0W MAX WIND 45 KT...GUSTS 55 KT. 34 KT...120NE 30SE 0SW 60NW. 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 24/1800Z 21.5N 77.0W MAX WIND 45 KT...GUSTS 55 KT. OUTLOOK VALID 25/1800Z 24.0N 79.5W MAX WIND 55 KT...GUSTS 65 KT. REQUEST FOR 3 HOURLY SHIP REPORTS WITHIN 300 MILES OF 14.9N 58.5W NEXT ADVISORY AT 21/0300Z $$ FORECASTER BLAKE/BRENNAN |