000 WTPZ33 KNHC 271432 TCPEP3 BULLETIN TROPICAL STORM MIRIAM ADVISORY NUMBER 23 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132012 800 AM PDT THU SEP 27 2012 ...MIRIAM WEAKENING RAPIDLY... SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...22.2N 116.3W ABOUT 410 MI...660 KM W OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...40 MPH...65 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...1000 MB...29.53 INCHES WATCHES AND WARNINGS -------------------- THERE ARE NO COASTAL WATCHES OR WARNINGS IN EFFECT. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM PDT...1500 UTC...THE CENTER OF TROPICAL STORM MIRIAM WAS LOCATED NEAR LATITUDE 22.2 NORTH...LONGITUDE 116.3 WEST. MIRIAM IS MOVING TOWARD THE NORTHWEST NEAR 6 MPH...9 KM/H. A GRADUAL TURN TOWARD THE WEST IS EXPECTED ON FRIDAY WITH A DECREASE IN FORWARD SPEED. MIRIAM IS THEN FORECAST TO DRIFT TOWARD THE WEST-SOUTHWEST FRIDAY NIGHT AND SATURDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 40 MPH...65 KM/H... WITH HIGHER GUSTS. FURTHER WEAKENING IS EXPECTED...AND MIRIAM COULD BECOME A REMNANT LOW TONIGHT OR FRIDAY MORNING. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM FROM THE CENTER. ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES. HAZARDS AFFECTING LAND ---------------------- SURF...SWELLS GENERATED BY MIRIAM WILL CONTINUE TO AFFECT THE SOUTH AND WEST COASTS OF THE SOUTHERN AND CENTRAL BAJA PENINSULA TODAY BUT WILL BEGIN TO GRADUALLY SUBSIDE ON FRIDAY. THESE SWELLS COULD CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER ROBERTS