ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE DORA INTERMEDIATE ADVISORY NUMBER 16A NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 500 AM PDT FRI JUL 22 2011 ...DORA NOW A CATEGORY ONE HURRICANE... SUMMARY OF 500 AM PDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...19.2N 109.2W ABOUT 255 MI...415 KM S OF CABO SAN LUCAS MEXICO MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...NW OR 315 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * MEXICO FROM AGUA BLANCA TO BUENAVISTA INCLUDING CABO SAN LUCAS A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA...IN THIS CASE WITHIN 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 500 AM PDT...1200 UTC...THE CENTER OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 19.2 NORTH...LONGITUDE 109.2 WEST. DORA IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/H...AND THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT TWO DAYS. ON THE FORECAST TRACK DORA IS EXPECTED TO PASS SOUTH OF BAJA CALIFORNIA. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 90 MPH...150 KM/H... WITH HIGHER GUSTS. DORA IS NOW A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. CONTINUED WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND DORA COULD BECOME A TROPICAL STORM BY TONIGHT. 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 977 MB...28.85 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL-STORM-FORCE WINDS ARE POSSIBLE OVER PORTIONS OF THE WARNING AREA BY TONIGHT. SURF...LARGE SWELLS GENERATED BY DORA WILL AFFECT THE COAST OF SOUTHWESTERN MEXICO AND BAJA CALIFORNIA DURING THE NEXT COUPLE OF DAYS. THESE SWELLS WILL LIKELY CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 AM PDT. $$ FORECASTER BLAKE/BEVEN NNNN
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