000 WTNT34 KNHC 120840 TCPAT4 BULLETIN TROPICAL STORM MARIA ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142011 500 AM AST MON SEP 12 2011 ...MARIA MOVING AWAY FROM THE NORTHEASTERN CARIBBEAN ISLANDS WITH LITTLE CHANGE IN STRENGTH... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.8N 66.3W ABOUT 165 MI...270 KM N OF SAN JUAN PUERTO RICO ABOUT 800 MI...1285 KM S OF BERMUDA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...1005 MB...29.68 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM AST...0900 UTC...THE CENTER OF TROPICAL STORM MARIA WAS LOCATED NEAR LATITUDE 20.8 NORTH...LONGITUDE 66.3 WEST. MARIA IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/H. A GRADUAL TURN TOWARD THE NORTH IS EXPECTED DURING THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF MARIA WILL CONTINUE MOVING AWAY FROM THE ISLANDS OF THE NORTHEASTERN CARIBBEAN AND PASS WELL EAST OF THE SOUTHEASTERN BAHAMAS. MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM FROM THE CENTER. A NOAA BUOY LOCATED ABOUT 85 MILES EAST OF THE CENTER RECENTLY REPORTED A SUSTAINED WIND OF 47 MPH. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1005 MB...29.68 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...MARIA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 2 TO 4 INCHES...WITH ISOLATED MAXIMUM AMOUNTS OF 6 INCHES OVER THE THE VIRGIN ISLANDS...PUERTO RICO...AND PORTIONS OF THE NORTHERN LEEWARD ISLANDS THROUGH TUESDAY. WIND...WIND GUSTS TO TROPICAL STORM FORCE ARE POSSIBLE...ESPECIALLY OVER HIGHER TERRAIN...IN THE VIRGIN ISLANDS...PUERTO RICO...AND THE EXTREME NORTHERN LEEWARD ISLANDS TODAY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER CANGIALOSI