000 WTPZ34 KNHC 201440 TCPEP4 BULLETIN HURRICANE DORA ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 800 AM PDT WED JUL 20 2011 ...DORA EXPECTED TO BECOME A MAJOR HURRICANE BY TOMORROW...SHOULD REMAIN OFFSHORE OF SOUTHWESTERN MEXICO... SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...14.9N 103.0W ABOUT 220 MI...355 KM SSW OF LAZARO CARDENAS MEXICO ABOUT 420 MI...675 KM SSE OF CABO CORRIENTES MEXICO MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 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 TO 36 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM PDT...1500 UTC...THE CENTER OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 14.9 NORTH...LONGITUDE 103.0 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 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 ARE NEAR 90 MPH...150 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND DORA COULD BECOME A MAJOR HURRICANE BY TOMORROW. 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 981 MB...28.97 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 INTERMEDIATE ADVISORY...1100 AM PDT. NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER BLAKE/BEVEN 000 WTPZ34 KNHC 201440 TCPEP4 BULLETIN HURRICANE DORA ADVISORY NUMBER 9 NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 800 AM PDT WED JUL 20 2011 ...DORA EXPECTED TO BECOME A MAJOR HURRICANE BY TOMORROW...SHOULD REMAIN OFFSHORE OF SOUTHWESTERN MEXICO... SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...14.9N 103.0W ABOUT 220 MI...355 KM SSW OF LAZARO CARDENAS MEXICO ABOUT 420 MI...675 KM SSE OF CABO CORRIENTES MEXICO MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 18 MPH...30 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 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 TO 36 HOURS. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ AT 800 AM PDT...1500 UTC...THE CENTER OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 14.9 NORTH...LONGITUDE 103.0 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 18 MPH...30 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 ARE NEAR 90 MPH...150 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND DORA COULD BECOME A MAJOR HURRICANE BY TOMORROW. 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 981 MB...28.97 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 INTERMEDIATE ADVISORY...1100 AM PDT. NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER BLAKE/BEVEN