000 WTPZ33 KNHC 262035 TCPEP3 BULLETIN TROPICAL STORM MIRIAM ADVISORY NUMBER 20 NWS NATIONAL HURRICANE CENTER MIAMI FL EP132012 200 PM PDT WED SEP 26 2012 ...MIRIAM MOVING GENERALLY NORTHWARD AND STEADILY WEAKENING... SUMMARY OF 200 PM PDT...2100 UTC...INFORMATION ---------------------------------------------- LOCATION...20.8N 115.4W ABOUT 380 MI...615 KM WSW OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...60 MPH...95 KM/H PRESENT MOVEMENT...N OR 350 DEGREES AT 7 MPH...11 KM/H MINIMUM CENTRAL PRESSURE...994 MB...29.35 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 TROPICAL STORM MIRIAM WAS LOCATED NEAR LATITUDE 20.8 NORTH...LONGITUDE 115.4 WEST. MIRIAM IS MOVING TOWARD THE NORTH NEAR 7 MPH...11 KM/H. A SLOW NORTH- NORTHWESTWARD OR NORTHWARD MOTION IS EXPECTED TONIGHT...FOLLOWED BY A TURN TOWARD THE NORTHWEST THURSDAY AND TOWARD THE WEST-NORTHWEST ON WEDNESDAY. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 60 MPH...95 KM/H...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND MIRIAM IS EXPECTED TO BECOME A REMNANT LOW ON FRIDAY. TROPICAL-STORM FORCE-WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 994 MB...29.35 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 TONIGHT AND THURSDAY 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...800 PM PDT. $$ FORECASTER KIMBERLAIN