000 WTPZ34 KNHC 201738 TCPEP4 BULLETIN HURRICANE DORA INTERMEDIATE ADVISORY NUMBER 9A NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 1100 AM PDT WED JUL 20 2011 ...DORA STRENGTHENS INTO A CATEGORY 2 HURRICANE... SUMMARY OF 1100 AM PDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...15.2N 103.6W ABOUT 215 MI...355 KM SSW OF LAZARO CARDENAS MEXICO ABOUT 385 MI...620 KM SSE OF CABO CORRIENTES MEXICO MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.70 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 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM PDT...1800 UTC...THE EYE OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 15.2 NORTH...LONGITUDE 103.6 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/H. A TURN TOWARD THE NORTHWEST AND A GRADUAL DECREASE IN FORWARD 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 COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 105 MPH...165 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT DAY OR TWO...AND DORA COULD BECOME A MAJOR HURRICANE 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 140 MILES...220 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 972 MB...28.70 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE EASTERN PORTION OF THE WATCH AREA BY TONIGHT AND WITHIN THE REMAINDER OF THE WATCH AREA BY THURSDAY. SURF...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...200 PM PDT. $$ FORECASTER BLAKE/BEVEN 000 WTPZ34 KNHC 201738 TCPEP4 BULLETIN HURRICANE DORA INTERMEDIATE ADVISORY NUMBER 9A NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 1100 AM PDT WED JUL 20 2011 ...DORA STRENGTHENS INTO A CATEGORY 2 HURRICANE... SUMMARY OF 1100 AM PDT...1800 UTC...INFORMATION ----------------------------------------------- LOCATION...15.2N 103.6W ABOUT 215 MI...355 KM SSW OF LAZARO CARDENAS MEXICO ABOUT 385 MI...620 KM SSE OF CABO CORRIENTES MEXICO MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...972 MB...28.70 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 24 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 1100 AM PDT...1800 UTC...THE EYE OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 15.2 NORTH...LONGITUDE 103.6 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/H. A TURN TOWARD THE NORTHWEST AND A GRADUAL DECREASE IN FORWARD 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 COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 105 MPH...165 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT DAY OR TWO...AND DORA COULD BECOME A MAJOR HURRICANE 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 140 MILES...220 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 972 MB...28.70 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE EASTERN PORTION OF THE WATCH AREA BY TONIGHT AND WITHIN THE REMAINDER OF THE WATCH AREA BY THURSDAY. SURF...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...200 PM PDT. $$ FORECASTER BLAKE/BEVEN