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#146203 (Received by flhurricane at: 10:43 PM 15.Aug.2007) TCPAT4 BULLETIN TROPICAL STORM DEAN ADVISORY NUMBER 11 NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007 1100 PM AST WED AUG 15 2007 ...DEAN STRENGTHENS...HURRICANE WATCHES ISSUED IN THE LESSER ANTILLES... AT 11 PM AST...0300 UTC...HURRICANE WATCHES HAVE BEEN ISSUED FOR THE FOLLOWING LOCATIONS BY THEIR RESPECTIVE GOVERNMENTS...ST. LUCIA... MARTINIQUE...GUADELOUPE AND ITS DEPENDENCIES...SABA...AND ST. EUSTATIUS. A HURRICANE WATCH MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. AT 11 PM AST...0300 UTC...THE GOVERNMENT OF THE NETHERLANDS ANTILLES HAS ISSUED A TROPICAL STORM WATCH FOR ST. MAARTEN. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 36 HOURS. ADDITIONAL WATCHES AND WARNINGS WILL LIKELY BE REQUIRED TOMORROW MORNING. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 1100 PM AST...0300Z...THE CENTER OF TROPICAL STORM DEAN WAS LOCATED NEAR LATITUDE 13.1 NORTH...LONGITUDE 50.2 WEST OR ABOUT 625 MILES...1005 KM...EAST OF BARBADOS. DEAN IS MOVING TOWARD THE WEST NEAR 23 MPH...37 KM/HR...AND THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS AND DEAN IS EXPECTED TO BECOME A HURRICANE ON THURSDAY. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT WILL INVESTIGATE DEAN TOMORROW AFTERNOON. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES. REPEATING THE 1100 PM AST POSITION...13.1 N...50.2 W. MOVEMENT TOWARD...WEST NEAR 23 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...991 MB. AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 200 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500 AM AST. $$ FORECASTER BROWN |