000 WTNT31 KNHC 290858 TCPAT1 BULLETIN TROPICAL STORM OPHELIA ADVISORY NUMBER 27 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162011 500 AM AST THU SEP 29 2011 ...OPHELIA EXPECTED TO STRENGTHEN... SUMMARY OF 500 AM AST...0900 UTC...INFORMATION ---------------------------------------------- LOCATION...20.0N 61.1W ABOUT 180 MI...290 KM NE OF THE NORTHERN LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...NNW OR 330 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.38 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 OPHELIA WAS LOCATED NEAR LATITUDE 20.0 NORTH...LONGITUDE 61.1 WEST. OPHELIA IS MOVING TOWARD THE NORTH-NORTHWEST NEAR 7 MPH...11 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE WITH SOME INCREASE IN FORWARD SPEED OVER THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS REMAIN NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. GRADUAL STRENGTHENING IS EXPECTED DURING THE NEXT 48 HOURS...AND OPHELIA IS FORECAST TO BECOME A HURRICANE ON FRIDAY. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...MAINLY TO THE EAST OF THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB...29.38 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 AM AST. $$ FORECASTER PASCH