000 WTNT34 KNHC 160543 TCPAT4 BULLETIN TROPICAL STORM DEAN INTERMEDIATE ADVISORY NUMBER 11A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL042007 200 AM AST THU AUG 16 2007 ...DEAN NEAR HURRICANE STRENGTH...CONTINUING QUICKLY WESTWARD... A HURRICANE WATCH REMAINS IN EFFECT FOR 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. A TROPICAL STORM WATCH REMAINS IN EFFECT 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 ON THE NEXT ADVISORY. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE. AT 200 AM AST...0600Z...THE CENTER OF TROPICAL STORM DEAN WAS LOCATED NEAR LATITUDE 13.2 NORTH...LONGITUDE 51.3 WEST OR ABOUT 550 MILES...885 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. STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS AND DEAN IS EXPECTED TO BECOME A HURRICANE LATER TODAY. AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT WILL INVESTIGATE DEAN THIS AFTERNOON. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 991 MB...29.26 INCHES. REPEATING THE 200 AM AST POSITION...13.2 N...51.3 W. MOVEMENT TOWARD...WEST NEAR 23 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...991 MB. THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 500 AM AST. $$ FORECASTER BEVEN