ZCZC MIATCPEP4 ALL TTAA00 KNHC DDHHMM BULLETIN HURRICANE DORA INTERMEDIATE ADVISORY NUMBER 10A NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 500 PM PDT WED JUL 20 2011 ...DORA CONTINUES TO RAPIDLY STRENGTHEN...NOW A CATEGORY 4 HURRICANE... SUMMARY OF 500 PM PDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...15.7N 104.8W ABOUT 235 MI...375 KM SW OF LAZARO CARDENAS MEXICO ABOUT 330 MI...530 KM S OF CABO CORRIENTES MEXICO MAXIMUM SUSTAINED WINDS...135 MPH...215 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 16 MPH...26 KM/H MINIMUM CENTRAL PRESSURE...948 MB...27.99 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... NONE. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * MEXICO FROM LAZARO CARDENAS TO CABO CORRIENTES A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN 12 TO 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 PM PDT...0000 UTC...THE EYE OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 15.7 NORTH...LONGITUDE 104.8 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 16 MPH...26 KM/H. A TURN TOWARD THE NORTHWEST AND A DECREASE IN FORWARD SPEED ARE EXPECTED OVER THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE CENTER OF DORA IS EXPECTED TO MOVE NEARLY PARALLEL TO THE COAST OF SOUTHWESTERN MEXICO OVER THE NEXT DAY OR SO. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 135 MPH...215 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY FOUR HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. SOME ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT DAY OR SO. WEAKENING IS EXPECTED TO BEGIN ON FRIDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140 MILES...220 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 948 MB...27.99 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE EASTERN PORTION OF THE WATCH AREA TONIGHT AND WITHIN THE REMAINDER OF THE WATCH AREA BY THURSDAY. SURF...LARGE SWELLS GENERATED BY DORA WILL AFFECT THE COAST OF SOUTHERN AND SOUTHWESTERN MEXICO DURING THE NEXT COUPLE OF DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 PM PDT. $$ FORECASTER BROWN NNNN
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