000 WTPZ34 KNHC 222332 TCPEP4 BULLETIN TROPICAL STORM DORA INTERMEDIATE ADVISORY NUMBER 18A NWS NATIONAL HURRICANE CENTER MIAMI FL EP042011 500 PM PDT FRI JUL 22 2011 ...NOAA AIRCRAFT FINDS DORA HAS WEAKENED TO A TROPICAL STORM... SUMMARY OF 500 PM PDT...0000 UTC...INFORMATION ---------------------------------------------- LOCATION...20.1N 110.2W ABOUT 195 MI...310 KM S OF CABO SAN LUCAS MEXICO MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NW OR 310 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...989 MB...29.20 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 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 CENTER OF TROPICAL STORM DORA WAS LOCATED NEAR LATITUDE 20.1 NORTH...LONGITUDE 110.2 WEST. DORA IS MOVING TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT COUPLE OF DAYS. ON THIS TRACK...DORA WOULD BE MOVING NEARLY PARALLEL TO THE WEST COAST OF SOUTHERN BAJA CALIFORNIA. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 70 MPH...110 KM/H...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST OVER THE NEXT COUPLE OF DAYS...AND DORA WILL LIKELY BECOME A TROPICAL DEPRESSION BY SUNDAY. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM...FROM THE CENTER. THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY THE NOAA HURRICANE HUNTER AIRCRAFT WAS 989 MB...29.20 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 PM PDT. $$ FORECASTER FRANKLIN