000 WTPZ33 KNHC 252032 TCPEP3 BULLETIN HURRICANE MIRIAM ADVISORY NUMBER 16 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132012 200 PM PDT TUE SEP 25 2012 ...MIRIAM GRADUALLY WEAKENING... ...LIKELY TO TURN NORTHWESTWARD SOON... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...18.9N 114.9W ABOUT 425 MI...685 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H PRESENT MOVEMENT...WNW OR 300 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 200 PM PDT...2100 UTC...THE CENTER OF HURRICANE MIRIAM WAS LOCATED NEAR LATITUDE 18.9 NORTH...LONGITUDE 114.9 WEST. MIRIAM IS MOVING TOWARD THE WEST-NORTHWEST NEAR 5 MPH...7 KM/H. A TURN TOWARD THE NORTHWEST IS EXPECTED TONIGHT...FOLLOWED BY A TURN TOWARD THE NORTH-NORTHWEST BY WEDNESDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 85 MPH...140 KM/H...WITH HIGHER GUSTS. MIRIAM IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. CONTINUED GRADUAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS. HURRICANE-FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM THE CENTER...AND TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM. AN AUTOMATED OBSERVING STATION ON CLARION ISLAND RECENTLY REPORTED A WIND GUST TO 54 MPH...62 KM/H. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 979 MB...28.91 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...SWELLS GENERATED BY MIRIAM WILL AFFECT THE SOUTH AND WEST COASTS OF THE SOUTHERN AND CENTRAL BAJA PENINSULA DURING THE NEXT COUPLE OF DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 PM PDT. $$ FORECASTER KIMBERLAIN