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#458699 (Received by flhurricane at: 4:43 PM 11.Sep.2011) TCPAT4 BULLETIN TROPICAL STORM MARIA ADVISORY NUMBER 21 NWS NATIONAL HURRICANE CENTER MIAMI FL AL142011 500 PM AST SUN SEP 11 2011 ...CENTER OF MARIA TO PASS WELL NORTH OF PUERTO RICO TONIGHT... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...19.8N 65.2W ABOUT 115 MI...180 KM NNE OF SAN JUAN PUERTO RICO MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...WNW OR 300 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. INTERESTS IN THE VIRGIN ISLANDS...PUERTO RICO...THE TURKS AND CAICOS ISLANDS...AND THE SOUTHEASTERN BAHAMAS SHOULD MONITOR THE PROGRESS OF MARIA. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 PM AST...2100 UTC...THE CENTER OF TROPICAL STORM MARIA WAS LOCATED NEAR LATITUDE 19.8 NORTH...LONGITUDE 65.2 WEST. MARIA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 9 MPH...15 KM/H. A TURN TOWARD THE NORTHWEST IS EXPECTED TONIGHT...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST MONDAY NIGHT. ON THIS TRACK...THE CENTER OF MARIA WILL GRADUALLY MOVE AWAY FROM THE EXTREME NORTHEASTERN CARIBBEAN ISLANDS TONIGHT...AND PASS WELL EAST OF THE SOUTHEASTERN BAHAMAS MONDAY NIGHT AND TUESDAY. MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. THESE WINDS ARE OCCURRING OVER WATER TO THE NORTH AND EAST OF THE CENTER. NO SIGNIFICANT CHANGE IN STRENGTH IS ANTICIPATED DURING THE NEXT TWO DAYS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM...TO THE NORTH AND EAST OF THE CENTER. 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 DURING THE NEXT COUPLE OF DAYS. 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 TONIGHT AND MONDAY. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER BROWN |