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| #452570 (Received by flhurricane at: 7:58 AM 23.Aug.2011) TCPAT4 BULLETIN HURRICANE IRENE INTERMEDIATE ADVISORY NUMBER 12A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092011 800 AM EDT TUE AUG 23 2011 ...CORE OF IRENE HEADED TOWARD THE TURKS AND CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMAS... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 70.6W ABOUT 70 MI...110 KM SSE OF GRAND TURK ISLAND ABOUT 55 MI...90 KM N OF PUERTO PLATA DOMINICAN REPUBLIC MAXIMUM SUSTAINED WINDS...100 MPH...160 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 10 MPH...17 KM/H MINIMUM CENTRAL PRESSURE...978 MB...28.88 INCHES WATCHES AND WARNINGS -------------------- CHANGES IN WATCHES AND WARNINGS WITH THIS ADVISORY... NONE. 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 * TURKS AND CAICOS ISLANDS...SOUTHEASTERN AND CENTRAL BAHAMAS A HURRICANE WATCH IS IN EFFECT FOR... * NORTH COAST OF HAITI FROM LE MOLE ST. NICHOLAS EASTWARD TO THE DOMINICAN REPUBLIC BORDER * NORTHWESTERN BAHAMAS A TROPICAL STORM WARNING IS IN EFFECT FOR... * SOUTH COAST OF THE DOMINICAN REPUBLIC FROM SANTO DOMINGO EASTWARD TO CABO ENGANO * ALL OF HAITI FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM EDT...1200 UTC...THE CENTER OF HURRICANE IRENE WAS LOCATED NEAR LATITUDE 20.6 NORTH...LONGITUDE 70.6 WEST. IRENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 10 MPH...17 KM/H. THIS GENERAL MOTION IS EXPECTED TO CONTINUE THROUGH TONIGHT...FOLLOWED BY A TURN TOWARD THE NORTHWEST ON WEDNESDAY. ON THE FORECAST TRACK...THE CORE OF IRENE WILL PASS TO THE NORTH OF THE DOMINICAN REPUBLIC AND HAITI THIS MORNING...NEAR OR OVER THE TURKS AND CAICOS ISLANDS AND THE SOUTHEASTERN BAHAMAS TONIGHT...AND BE NEAR THE CENTRAL BAHAMAS EARLY WEDNESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 100 MPH...160 KM/H...WITH HIGHER GUSTS. IRENE IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND IRENE COULD BECOME A MAJOR HURRICANE LATER TODAY OR ON WEDNESDAY. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 205 MILES...335 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 978 MB...28.88 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE OVER NORTHERN PORTIONS OF THE DOMINICAN REPUBLIC THROUGH THIS AFTERNOON. HURRICANE CONDITIONS ARE LIKELY ALONG THE IMMEDIATE NORTH COAST OF THE DOMINICAN REPUBLIC THROUGH THIS MORNING. THE HIGHEST WINDS ARE EXPECTED TO OCCUR OVER AREAS OF ELEVATED TERRAIN. TROPICAL STORM CONDITIONS WILL SPREAD OVER THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS THIS MORNING WITH HURRICANE CONDITIONS EXPECTED BY THIS AFTERNOON AND EVENING. TROPICAL STORM CONDITIONS ARE FORECAST TO REACH THE CENTRAL BAHAMAS LATE TONIGHT WITH HURRICANE CONDITIONS EXPECTED BY WEDNESDAY. TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE NORTHWESTERN BAHAMAS BY LATE WEDNESDAY...WITH HURRICANE CONDITIONS POSSIBLE BY THURSDAY. STORM SURGE...AN EXTREMELY DANGEROUS STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 9 TO 13 FEET ABOVE NORMAL TIDE LEVELS OVER THE SOUTHEASTERN AND CENTRAL BAHAMAS...AND THE TURKS AND CAICOS ISLANDS. A STORM SURGE WILL ALSO RAISE WATER LEVELS BY AS MUCH AS 2 TO 4 FEET ABOVE NORMAL TIDE LEVELS ALONG THE ENTIRE COAST OF THE DOMINICAN REPUBLIC. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY LARGE AND DANGEROUS WAVES. RAINFALL...IRENE IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL ACCUMULATIONS OF 1 TO 3 INCHES ACROSS PUERTO RICO. RAINFALL AMOUNTS OF 3 TO 6 INCHES ARE EXPECTED OVER NORTHERN HISPANIOLA... WITH ISOLATED MAXIMUM AMOUNTS OF UP TO 10 INCHES POSSIBLE OVER HIGHER TERRAIN. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUDSLIDES IN AREAS OF STEEP TERRAIN. RAINFALL ACCUMULATIONS OF 5 TO 10 INCHES ARE EXPECTED IN THE SOUTHEASTERN AND CENTRAL BAHAMAS...AND THE TURKS AND CAICOS ISLANDS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM EDT. $$ FORECASTER BROWN/BLAKE |
