000 WTPZ33 KNHC 260256 TCPEP3 BULLETIN HURRICANE MIRIAM ADVISORY NUMBER 17 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132012 800 PM PDT TUE SEP 25 2012 ...MIRIAM GRADUALLY WEAKENING... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...19.1N 115.2W ABOUT 430 MI...695 KM SW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...80 MPH...130 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 5 MPH...7 KM/H MINIMUM CENTRAL PRESSURE...983 MB...29.03 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 PM PDT...0300 UTC...THE CENTER OF HURRICANE MIRIAM WAS LOCATED NEAR LATITUDE 19.1 NORTH...LONGITUDE 115.2 WEST. MIRIAM IS MOVING TOWARD THE NORTHWEST NEAR 5 MPH...7 KM/H. THE CYCLONE SHOULD TURN TOWARD THE NORTH-NORTHWEST OR NORTH AT A SLIGHTLY FASTER FORWARD SPEED DURING THE NEXT DAY OR TWO. MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/H...WITH HIGHER GUSTS. MIRIAM IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND MIRIAM IS EXPECTED TO BECOME A TROPICAL STORM ON WEDNESDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 983 MB...29.03 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...200 AM PDT. $$ FORECASTER LANDSEA