000 WTNT31 KNHC 240253 TCPAT1 BULLETIN TROPICAL STORM OPHELIA ADVISORY NUMBER 13 NWS NATIONAL HURRICANE CENTER MIAMI FL AL162011 1100 PM AST FRI SEP 23 2011 ...OPHELIA FLUCTUATING IN INTENSITY... SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION ----------------------------------------------- LOCATION...16.0N 54.5W ABOUT 490 MI...790 KM E OF THE LEEWARD ISLANDS MAXIMUM SUSTAINED WINDS...50 MPH...85 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 14 MPH...22 KM/H MINIMUM CENTRAL PRESSURE...1006 MB...29.71 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 PM AST...0300 UTC...THE CENTER OF TROPICAL STORM OPHELIA WAS LOCATED NEAR LATITUDE 16.0 NORTH...LONGITUDE 54.5 WEST. OPHELIA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 14 MPH...22 KM/H. A TURN TOWARD THE NORTHWEST IS EXPECTED EARLY SATURDAY...AND THIS MOTION IS EXPECTED TO CONTINUE WITH A DECREASE IN FORWARD SPEED THROUGH LATE SUNDAY. REPORTS FROM AN AIR FORCE RESERVE RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 50 MPH...85 KM/H...WITH HIGHER GUSTS. NO SIGNIFICANT CHANGE IN INTENSITY IS FORECAST DURING THE NEXT 48 HOURS. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 260 MILES...415 KM MAINLY TO THE NORTH AND EAST OF THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE MEASURED BY THE HURRICANE HUNTER PLANE WAS 1006 MB...29.71 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...500 AM AST. $$ FORECASTER BERG