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| #536562 (Received by flhurricane at: 7:53 AM 24.Aug.2012) TCPAT4 BULLETIN TROPICAL STORM ISAAC INTERMEDIATE ADVISORY NUMBER 13A NWS NATIONAL HURRICANE CENTER MIAMI FL AL092012 800 AM EDT FRI AUG 24 2012 ...HURRICANE HUNTER AIRCRAFT REPORTS THAT ISAAC IS A LITTLE STRONGER... SUMMARY OF 800 AM EDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...16.0N 70.3W ABOUT 175 MI...280 KM SSW OF SANTO DOMINGO DOMINICAN REPUBLIC ABOUT 220 MI...355 KM SE OF PORT AU PRINCE HAITI MAXIMUM SUSTAINED WINDS...50 MPH...80 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WATCH IS IN EFFECT FOR... * HAITI A TROPICAL STORM WARNING IS IN EFFECT FOR... * DOMINICAN REPUBLIC * HAITI * CUBAN PROVINCES OF CAMAGUEY...LAS TUNAS...GRANMA...HOLGUIN... SANTIAGO DE CUBA...AND GUANTANAMO * SOUTHEASTERN BAHAMAS INCLUDING THE ACKLINS...CROOKED ISLAND...LONG CAY...THE INAGUAS...MAYAGUANA...AND THE RAGGED ISLANDS * TURKS AND CAICOS ISLANDS A TROPICAL STORM WATCH IS IN EFFECT FOR... * CUBAN PROVINCES OF CIEGO DE AVILA...SANCTI SPIRITUS...AND VILLA CLARA * ANDROS ISLAND AND THE CENTRAL BAHAMAS INCLUDING CAT ISLAND...THE EXUMAS...LONG ISLAND...RUM CAY...AND SAN SALVADOR * JAMAICA A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 24 TO 36 HOURS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA WITHIN 36 HOURS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS THE REMAINDER OF CUBA...THE REMAINDER OF THE BAHAMAS... SOUTH FLORIDA...AND THE FLORIDA KEYS SHOULD MONITOR THE PROGRESS OF ISAAC. 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 TROPICAL STORM ISAAC WAS LOCATED NEAR LATITUDE 16.0 NORTH...LONGITUDE 70.3 WEST. ISAAC IS MOVING TOWARD THE WEST NEAR 15 MPH...24 KM/H. A TURN TOWARD THE WEST-NORTHWEST IS EXPECTED LATER TODAY FOLLOWED BY A TURN TOWARD THE NORTHWEST TONIGHT. ON THE FORECAST TRACK...THE CENTER OF ISAAC WILL MOVE NEAR OR OVER HISPANIOLA TODAY...AND MOVE NEAR OR OVER SOUTHEASTERN CUBA ON SATURDAY. REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 50 MPH...80 KM/H...WITH HIGHER GUSTS. ADDITIONAL STRENGTHENING IS FORECAST WHILE THE CENTER REMAINS OVER WATER. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 185 MILES...295 KM FROM THE CENTER. THE MINIMUM CENTRAL PRESSURE REPORTED BY THE HURRICANE HUNTER AIRCRAFT IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...TOTAL RAINFALL ACCUMULATIONS OF 8 TO 12 INCHES...WITH MAXIMUM AMOUNTS OF 20 INCHES...ARE POSSIBLE OVER HISPANIOLA. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. TOTAL RAIN ACCUMULATIONS OF 4 TO 8 INCHES...WITH MAXIMUM AMOUNTS OF 12 INCHES...ARE POSSIBLE ACROSS EASTERN CUBA AND JAMAICA. TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES...WITH MAXIMUM AMOUNTS OF 6 INCHES ARE EXPECTED OVER PUERTO RICO AND THE VIRGIN ISLANDS. TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES ARE POSSIBLE OVER THE SOUTHEASTERN BAHAMAS. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED OVER PORTIONS OF THE DOMINICAN REPUBLIC AND HAITI TODAY. TROPICAL STORM CONDITIONS ARE EXPECTED OVER THE SOUTHEASTERN BAHAMAS AND THE TURKS AND CAICOS ISLANDS LATER TODAY AND TONIGHT. TROPICAL STORM CONDITIONS ARE EXPECTED OVER EASTERN CUBA BY TONIGHT. TROPICAL STORM CONDITIONS ARE POSSIBLE OVER CENTRAL CUBA...THE CENTRAL BAHAMAS...AND ANDROS ISLAND BY SATURDAY. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY AS MUCH AS 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS IN AREAS OF ONSHORE WINDS IN THE TROPICAL STORM WARNING AREA. NEAR THE COAST...THE SURGE WILL BE ACCOMPANIED BY DANGEROUS WAVES. SURF...DANGEROUS SURF AND RIP CURRENT CONDITIONS WILL AFFECT THE LEEWARD ISLANDS...VIRGIN ISLANDS...PUERTO RICO...HISPANIOLA...THE SOUTHEASTERN BAHAMAS...THE TURKS AND CAICOS...AND EASTERN CUBA DURING THE NEXT COUPLE OF DAYS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE FOR MORE INFORMATION. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM EDT. $$ FORECASTER BEVEN |
