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| #452209 (Received by flhurricane at: 5:00 AM 22.Aug.2011) TCPAT4 BULLETIN HURRICANE IRENE ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 500 AM AST MON AUG 22 2011 ...IRENE STRENGTHENS OVER PUERTO RICO...BECOMING THE FIRST HURRICANE OF THE 2011 ATLANTIC SEASON... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...18.4N 66.4W ABOUT 25 MI...40 KM W OF SAN JUAN PUERTO RICO ABOUT 125 MI...200 KM E OF PUNTA CANA DOMINICAN REPUBLIC MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 290 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... A HURRICANE WATCH HAS BEEN ISSUED FOR THE NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE DOMINICAN REPUBLIC BORDER. THE HURRICANE WATCH HAS BEEN DISCONTINUED FOR THE U.S. VIRGIN ISLANDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * PUERTO RICO...VIEQUES...AND CULEBRA * NORTH COAST OF THE DOMINICAN REPUBLIC FROM THE HAITI BORDER EASTWARD TO CABO ENGANO A HURRICANE WATCH IS IN EFFECT FOR... * NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE DOMINICAN REPUBLIC BORDER * CENTRAL BAHAMAS A TROPICAL STORM WARNING IS IN EFFECT FOR... * U.S. VIRGIN ISLANDS * BRITISH VIRGIN ISLANDS * SOUTH COAST OF THE DOMINICAN REPUBLIC FROM SOUTH OF CABO ENGANO WESTWARD TO THE HAITI BORDER * ALL OF HAITI * SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS FOR STORM INFORMATION SPECIFIC TO YOUR AREA IN THE UNITED STATES...INCLUDING POSSIBLE INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL NATIONAL WEATHER SERVICE FORECAST OFFICE. FOR STORM INFORMATION SPECIFIC TO YOUR AREA OUTSIDE THE UNITED STATES...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM AST...0900 UTC...DATA FROM THE SAN JUAN FAA DOPPLER WEATHER RADAR INDICATE THAT THE CENTER OF HURRICANE IRENE WAS LOCATED ALONG THE NORTH COAST OF PUERTO RICO NEAR LATITUDE 18.4 NORTH...LONGITUDE 66.4 WEST. IRENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 12 MPH...19 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK THE CENTER OF IRENE WILL MOVE OFF THE NORTH COAST OF PUERTO RICO THIS MORNING...AND MOVE NEAR OR OVER THE NORTHERN COASTAL REGIONS OF THE DOMINICAN REPUBLIC THIS AFTERNOON AND TONIGHT. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH...120 KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 15 MILES...30 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 150 MILES...240 KM...MAINLY NORTHWEST AND NORTHEAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE OCCURRING IN THE VIRGIN ISLANDS...EASTERN PUERTO RICO...CULEBRA AND VIEQUES...AND WILL CONTINUE TO SPREAD ACROSS PUERTO RICO THIS MORNING. TROPICAL STORM CONDITIONS WILL REACH THE DOMINICAN REPUBLIC BY THIS AFTERNOON. HURRICANE CONDITIONS ARE EXPECTED OVER PUERTO RICO...VIEQUES...AND CULEBRA THIS MORNING...AND OVER THE NORTHERN PORTIONS OF THE DOMINICAN REPUBLIC MONDAY AFTERNOON AND EVENING. THE HIGHEST WINDS ARE LIKELY TO OCCUR OVER AREAS OF ELEVATED TERRAIN. TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS TUESDAY...AND ARE POSSIBLE IN THE CENTRAL BAHAMAS BY LATE TUESDAY. HURRICANE CONDITIONS ARE POSSIBLE IN THE CENTRAL BAHAMAS BY TUESDAY NIGHT. RAINFALL...IRENE IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES ACROSS PUERTO RICO...THE VIRGIN ISLANDS...THE DOMINICAN REPUBLIC...HAITI...THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS. ISOLATED MAXIMUM AMOUNTS OF UP TO 20 INCHES ARE POSSIBLE. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES IN AREAS OF STEEP TERRAIN. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE ENTIRE COAST OF THE DOMINICAN REPUBLIC. A STORM SURGE OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IS EXPECTED ALONG THE COAST OF PUERTO RICO...AS WELL AS IN THE REMAINDER OF THE TROPICAL STORM WARNING AREA. NEAR THE COAST... THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORIES...700 AM AST AND 900 AM AST. NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER STEWART |
