000 WTNT34 KNHC 080307 TCPAT4 BULLETIN TROPICAL STORM MARIA ADVISORY NUMBER 6 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142011 1100 PM AST WED SEP 07 2011 ...MARIA RACING WESTWARD ACROSS THE TROPICAL ATLANTIC...TROPICAL STORM WATCHES ISSUED FOR THE LEEWARD ISLANDS... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...13.4N 46.2W ABOUT 1070 MI...1725 KM ESE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...W OR 275 DEGREES AT 23 MPH...37 KM/H MINIMUM CENTRAL PRESSURE...1002 MB...29.59 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF ANTIGUA HAS ISSUED A TROPICAL STORM WATCH FOR THE ISLANDS OF ANTIGUA...BARBUDA...MONTSERRAT...NEVIS...AND SAINT KITTS IN THE LEEWARD ISLANDS. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * THE LEEWARD ISLANDS OF ANTIGUA...BARBUDA...MONTSERRAT...NEVIS... AND SAINT KITTS. A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...GENERALLY WITHIN 48 HOURS. INTERESTS ELSEWHERE IN THE LEEWARD ISLANDS...THE VIRGIN ISLANDS...AND PUERTO RICO SHOULD MONITOR THE PROGRESS OF MARIA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE CENTER OF TROPICAL STORM MARIA WAS LOCATED NEAR LATITUDE 13.4 NORTH...LONGITUDE 46.2 WEST. MARIA IS MOVING TOWARD THE WEST NEAR 23 MPH...37 KM/H...AND THIS RAPID MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS. AFTER THAT TIME...A GRADUAL TURN TOWARD THE WEST-NORTHWEST AND A DECREASE IN FORWARD SPEED ARE EXPECTED. ON THE FORECAST TRACK...THE CENTER OF MARIA WOULD APPROACH THE LEEWARD ISLANDS FRIDAY OR FRIDAY NIGHT. MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS. AN AIR FORCE RECONNAISSANCE PLANE IS SCHEDULED TO REACH MARIA LATE THURSDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 85 MILES...140 KM FROM THE CENTER. NOAA BUOY 41041 LOCATED NORTHWEST OF THE CENTER RECENTLY REPORTED 1-MINUTE MEAN WINDS OF 49 MPH...79 KM/H...AND A WIND GUST OF 60 MPH...97 KM/H. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1002 MB...29.59 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE IN THE WATCH AREA FRIDAY NIGHT OR SATURDAY. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...200 AM AST. NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BEVEN