000 WTPZ34 KNHC 200241 TCPEP4 BULLETIN HURRICANE DORA ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 800 PM PDT TUE JUL 19 2011 ...DORA BECOMES A HURRICANE...TROPICAL STORM WATCH ISSUED FOR SOUTHWESTERN MEXICO... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...13.4N 99.9W ABOUT 240 MI...390 KM S OF ACAPULCO MEXICO ABOUT 355 MI...570 KM SSE OF LAZARO CARDENAS MEXICO MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WATCH FOR THE COAST OF SOUTHWESTERN MEXICO FROM LAZARO CARDENAS WESTWARD TO CABO CORRIENTES. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * LAZARO CARDENAS TO CABO CORRIENTES A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN ABOUT 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 PM PDT...0300 UTC...THE CENTER OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 13.4 NORTH...LONGITUDE 99.9 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH SOME DECREASE IN FORWARD SPEED. ON THE FORECAST TRACK...THE CENTER OF DORA SHOULD MOVE NEARLY PARALLEL TO THE COAST OF SOUTHWESTERN MEXICO DURING THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH...120 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND DORA COULD BECOME A MAJOR HURRICANE BY THURSDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE EASTERN PORTION OF THE WATCH AREA BY LATE WEDNESDAY 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 PM PDT. NEXT COMPLETE ADVISORY...200 AM PDT. $$ FORECASTER BROWN 000 WTPZ34 KNHC 200241 TCPEP4 BULLETIN HURRICANE DORA ADVISORY NUMBER 7 NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 800 PM PDT TUE JUL 19 2011 ...DORA BECOMES A HURRICANE...TROPICAL STORM WATCH ISSUED FOR SOUTHWESTERN MEXICO... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...13.4N 99.9W ABOUT 240 MI...390 KM S OF ACAPULCO MEXICO ABOUT 355 MI...570 KM SSE OF LAZARO CARDENAS MEXICO MAXIMUM SUSTAINED WINDS...75 MPH...120 KM/H PRESENT MOVEMENT...WNW OR 295 DEGREES AT 17 MPH...28 KM/H MINIMUM CENTRAL PRESSURE...987 MB...29.15 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WATCH FOR THE COAST OF SOUTHWESTERN MEXICO FROM LAZARO CARDENAS WESTWARD TO CABO CORRIENTES. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WATCH IS IN EFFECT FOR... * LAZARO CARDENAS TO CABO CORRIENTES A TROPICAL STORM WATCH MEANS THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA...IN THIS CASE WITHIN ABOUT 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 PM PDT...0300 UTC...THE CENTER OF HURRICANE DORA WAS LOCATED NEAR LATITUDE 13.4 NORTH...LONGITUDE 99.9 WEST. DORA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 17 MPH...28 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS WITH SOME DECREASE IN FORWARD SPEED. ON THE FORECAST TRACK...THE CENTER OF DORA SHOULD MOVE NEARLY PARALLEL TO THE COAST OF SOUTHWESTERN MEXICO DURING THE NEXT COUPLE OF DAYS. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH...120 KM/H...WITH HIGHER GUSTS. DORA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON HURRICANE WIND SCALE. ADDITIONAL STRENGTHENING IS FORECAST DURING THE NEXT 48 HOURS...AND DORA COULD BECOME A MAJOR HURRICANE BY THURSDAY. HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 125 MILES...205 KM. ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE EASTERN PORTION OF THE WATCH AREA BY LATE WEDNESDAY 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 PM PDT. NEXT COMPLETE ADVISORY...200 AM PDT. $$ FORECASTER BROWN