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| #452252 (Received by flhurricane at: 9:03 AM 22.Aug.2011) TCPAT4 BULLETIN HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER 7B NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 900 AM AST MON AUG 22 2011 ...IRENE HEADING FOR THE SOUTHEASTERN BAHAMAS... SUMMARY OF 900 AM AST...1300 UTC...INFORMATION ---------------------------------------------- LOCATION...19.0N 67.2W ABOUT 90 MI...140 KM WNW OF SAN JUAN PUERTO RICO ABOUT 75 MI...125 KM ENE OF PUNTA CANA DOMINICAN REPUBLIC MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...990 MB...29.23 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... THE HURRICANE WARNING FOR PUERTO RICO...VIEQUES AND CULEBRA HAS BEEN REPLACED WITH A TROPICAL STORM WARNING. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * 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... * PUERTO RICO...VIEQUES AND CULEBRA * 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 ------------------------------ DATA FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT THE CENTER OF HURRICANE IRENE IS MOVING AWAY FROM PUERTO RICO AND AT 900 AM AST...1300 UTC...THE CENTER WAS LOCATED NEAR LATITUDE 19.0 NORTH...LONGITUDE 67.2 WEST. IRENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 14 MPH...22 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF IRENE WILL CONTINUE TO MOVE AWAY FROM THE NORTH COAST OF PUERTO RICO THIS MORNING...AND APPROACH THE NORTHERN COAST OF THE DOMINICAN REPUBLIC LATER TODAY. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 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. MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY AN AIR FORCE HURRICANE HUNTER PLANE WAS 990 MB...29.23 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS SHOULD GRADUALLY DECREASE IN THE VIRGIN ISLANDS...EASTERN PUERTO RICO...CULEBRA AND VIEQUES...AND WILL CONTINUE ACROSS WESTERN PUERTO RICO THIS MORNING. TROPICAL STORM CONDITIONS WILL REACH THE NORTHERN PORTION OF DOMINICAN REPUBLIC BY THIS AFTERNOON. HURRICANE CONDITIONS ARE POSSIBLE OVER THE NORTHERN PORTIONS OF THE DOMINICAN REPUBLIC LATER TODAY. 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 SOUTHEASTERN AND 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 NORTHWEST 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 COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER AVILA |
