000 WTPZ32 KNHC 190236 TCPEP2 BULLETIN TROPICAL STORM POLO ADVISORY NUMBER 12 NWS NATIONAL HURRICANE CENTER MIAMI FL EP172014 800 PM PDT THU SEP 18 2014 ...TROPICAL STORM WATCH ISSUED FOR SOUTHERN BAJA CALIFORNIA... SUMMARY OF 800 PM PDT...0300 UTC...INFORMATION ---------------------------------------------- LOCATION...18.4N 106.6W ABOUT 150 MI...240 KM SSW OF CABO CORRIENTES MEXICO ABOUT 375 MI...605 KM SE OF THE SOUTHERN TIP OF BAJA CALIFORNIA MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H MINIMUM CENTRAL PRESSURE...981 MB...28.97 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS ISSUED A TROPICAL STORM WATCH FOR THE SOUTHERN BAJA CALIFORNIA PENINSULA FROM SANTA FE TO LA PAZ. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A TROPICAL STORM WARNING IS IN EFFECT FOR... * PUNTA SAN TELMO TO PLAYA PERULA A TROPICAL STORM WATCH IS IN EFFECT FOR... * WEST OF PLAYA PERULA TO CABO CORRIENTES * SOUTHERN BAJA CALIFORNIA PENINSULA FROM SANTA FE TO LA PAZ 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 TROPICAL STORM POLO WAS LOCATED NEAR LATITUDE 18.4 NORTH...LONGITUDE 106.6 WEST. POLO IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/H...AND THIS GENERAL MOTION WITH A DECREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT 48 HOURS. ON THE FORECAST TRACK...THE CENTER WILL CONTINUE TO MOVE PARALLEL TO THE SOUTHWESTERN COAST OF MEXICO THROUGH TONIGHT...AND SOUTH OF THE BAJA CALIFORNIA PENINSULA BY SATURDAY. HOWEVER...ANY DEVIATION TO THE NORTH OF THE TRACK COULD BRING STRONGER WINDS TO THE COAST OR TO SOUTHERN BAJA CALIFORNIA. MAXIMUM SUSTAINED WINDS REMAIN NEAR 70 MPH...110 KM/H...WITH HIGHER GUSTS. LITTLE CHANGE IN STRENGTH IS LIKELY OVERNIGHT...BUT A GRADUAL WEAKENING TREND SHOULD BEGIN ON FRIDAY. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 981 MB...28.97 INCHES. HAZARDS AFFECTING LAND ---------------------- WIND...TROPICAL STORM CONDITIONS ARE LIKELY OCCURRING OVER PORTIONS OF THE WARNING AREA. TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA IN MAINLAND MEXICO TONIGHT. TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH AREA IN SOUTHERN BAJA CALIFORNIA ON SATURDAY. SURF...SWELLS GENERATED BY POLO WILL AFFECT PORTIONS OF THE SOUTHERN COAST OF MEXICO DURING THE NEXT FEW DAYS. THESE SWELLS ARE LIKELY TO CAUSE LIFE-THREATENING SURF AND RIP CURRENT CONDITIONS. PLEASE CONSULT PRODUCTS FROM YOUR LOCAL WEATHER OFFICE. RAINFALL...POLO IS EXPECTED TO PRODUCE ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH ISOLATED STORM TOTAL RAINFALL AMOUNTS OF 15 INCHES NEAR THE COAST OF COLIMA...NAYARIT AND JALISCO STATES IN MEXICO. THESE RAINS COULD RESULT IN LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. NEXT ADVISORY ------------- NEXT INTERMEDIATE ADVISORY...1100 PM PDT. NEXT COMPLETE ADVISORY...200 AM PDT. $$ FORECASTER PASCH