000 WTNT32 KNHC 020849 TCPAT2 BULLETIN TROPICAL STORM LESLIE ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL AL122012 500 AM AST SUN SEP 02 2012 ...LESLIE STRENGTHENS SLIGHTLY AS IT CONTINUES TO MOVE NORTHWESTWARD AWAY FROM THE LEEWARD ISLANDS... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.8N 59.5W ABOUT 295 MI...475 KM NNE OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 15 MPH...24 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.35 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 LESLIE WAS LOCATED NEAR LATITUDE 20.8 NORTH...LONGITUDE 59.5 WEST. LESLIE IS MOVING TOWARD THE NORTHWEST NEAR 15 MPH...24 KM/H...AND THIS GENERAL MOTION IS FORECAST TO CONTINUE TODAY. A GRADUAL TURN TOWARD THE NORTH-NORTHWEST AND NORTH...ALONG WITH A DECREASE IN FORWARD SPEED...IS EXPECTED DURING THE NEXT COUPLE OF DAYS. ON THE FORECAST TRACK...THE CENTER OF LESLIE WILL CONTINUE TO MOVE AWAY FROM THE LEEWARD ISLANDS. MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/H...WITH HIGHER GUSTS. LESLIE IS CURRENTLY IN AN AREA OF UNFAVORABLE UPPER-LEVEL WINDS...AND SOME FLUCTUATIONS IN STRENGTH WILL BE POSSIBLE DURING THE NEXT 48 HOURS. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM FROM THE CENTER. NOAA BUOY 41044...LOCATED NORTH OF THE CENTER... HAS BEEN REPORTING 1-MINUTE MEAN WINDS OF 50 MPH...80 KM/HR...WITH GUSTS TO NEAR 60 MPH...92 KM/HR...OVER THE PAST FEW HOURS. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...SWELLS GENERATED BY LESLIE COULD AFFECT PORTIONS OF THE LEEWARD ISLANDS THROUGH THE WEEKEND...AND BEGIN TO AFFECT PUERTO RICO AND THE VIRGIN ISLANDS LATER TODAY. THESE SWELLS COULD CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER STEWART