000 WTPZ35 KNHC 121440 TCPEP5 BULLETIN TROPICAL STORM JOVA ADVISORY NUMBER 27 NWS NATIONAL HURRICANE CENTER MIAMI FL EP102011 800 AM PDT WED OCT 12 2011 ...JOVA WEAKENS TO A TROPICAL STORM OVER WESTERN MEXICO...HEAVY RAINFALL REMAINS A MAJOR THREAT... SUMMARY OF 800 AM PDT...1500 UTC...INFORMATION ---------------------------------------------- LOCATION...20.6N 105.0W ABOUT 15 MI...20 KM E OF PUERTO VALLARTA MEXICO MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...N OR 360 DEGREES AT 6 MPH...9 KM/H MINIMUM CENTRAL PRESSURE...992 MB...29.29 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS CHANGED THE HURRICANE WARNING TO A TROPICAL STORM WARNING FROM MANZANILLO NORTHWARD TO CABO CORRIENTES. THE GOVERNMENT OF MEXICO HAS DISCONTINUED ALL WARNINGS SOUTH OF MANZANILLO. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * MANZANILLO MEXICO TO EL ROBLITO MEXICO 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 TROPICAL STORM JOVA WAS ESTIMATED TO BE NEAR LATITUDE 20.6 NORTH...LONGITUDE 105.0 WEST. JOVA IS MOVING TOWARD THE NORTH NEAR 6 MPH...9 KM/H...AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE WITH A DECREASE IN FORWARD SPEED TODAY AND TONIGHT. ON THE FORECAST TRACK...THE CENTER OF JOVA WILL CONTINUE TO MOVE OVER WESTERN MEXICO THROUGH TONIGHT. MAXIMUM SUSTAINED WINDS HAVE DECREASED TO NEAR 65 MPH...100 KM/H...WITH HIGHER GUSTS. ADDITIONAL WEAKENING IS FORECAST DURING THE NEXT 48 HOURS...AND JOVA IS EXPECTED TO WEAKEN TO A TROPICAL DEPRESSION BY THURSDAY AND DISSIPATE COMPLETELY THURSDAY NIGHT OR FRIDAY. TROPICAL-STORM-FORCE WINDS EXTEND OUTWARD UP TO 105 MILES...165 KM MAINLY OVER WATER TO THE SOUTH OF THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB...29.29 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS WILL CONTINUE TO SPREAD NORTHWARD OVER PORTIONS OF THE TROPICAL STORM WARNING AREA TODAY. STORM SURGE...STORM SURGE FLOODING ALONG THE COAST OF MEXICO SHOULD SUBSIDE TODAY. RAINFALL...JOVA IS EXPECTED TO PRODUCE TOTAL RAINFALL ACCUMULATIONS OF 6 TO 12 INCHES OVER THE STATES OF MICHOACAN...COLIMA...JALISCO... AND NAYARIT...WITH POSSIBLE ISOLATED MAXIMUM AMOUNTS OF 20 INCHES. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES OVER STEEP TERRAIN. SURF...SWELLS GENERATED BY JOVA ARE AFFECTING PORTIONS OF THE COAST OF SOUTHWESTERN MEXICO. THESE SWELLS ARE LIKELY TO CAUSE LIFE- THREATENING SURF AND RIP CURRENT CONDITIONS. THESE SWELLS SHOULD GRADUALLY SUBSIDE DURING THE NEXT DAY OR TWO. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...1100 AM PDT. NEXT COMPLETE ADVISORY...200 PM PDT. $$ FORECASTER BEVEN