000 WTNT33 KNHC 102039 TCPAT3 BULLETIN HURRICANE MICHAEL ADVISORY NUMBER 31 NWS NATIONAL HURRICANE CENTER MIAMI FL AL132012 500 PM AST MON SEP 10 2012 ...MICHAEL TURNS TOWARD THE NORTHWEST AND SLOWLY WEAKENS... SUMMARY OF 500 PM AST...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...34.4N 47.6W ABOUT 1175 MI...1885 KM W OF THE AZORES MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...NW OR 305 DEGREES AT 12 MPH...19 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.21 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 PM AST...2100 UTC...THE CENTER OF HURRICANE MICHAEL WAS LOCATED NEAR LATITUDE 34.4 NORTH...LONGITUDE 47.6 WEST. MICHAEL IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/H. A TURN TOWARD THE NORTH-NORTHWEST AND THEN THE NORTH WITH AN INCREASE IN FORWARD SPEED IS EXPECTED TONIGHT AND EARLY TUESDAY. A TURN TOWARD THE NORTH-NORTHEAST WITH FURTHER ACCELERATION IS FORECAST LATER TUESDAY AND WEDNESDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 75 MPH...120 KM/H... WITH HIGHER GUSTS. MICHAEL IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON WIND SCALE. STEADY WEAKENING IS FORECAST...AND MICHAEL IS FORECAST TO BECOME A TROPICAL STORM TONIGHT. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 80 MILES...130 KM. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 989 MB...29.21 INCHES. HAZARDS AFFECTING LAND ---------------------- NONE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...1100 PM AST. $$ FORECASTER KIMBERLAIN