000 WTPZ32 KNHC 291159 TCPEP2 BULLETIN TROPICAL STORM BARBARA SPECIAL ADVISORY NUMBER 4 NWS NATIONAL HURRICANE CENTER MIAMI FL EP022013 500 AM PDT WED MAY 29 2013 ...BARBARA NEARING HURRICANE STRENGTH... ...HURRICANE WARNING ISSUED FOR THE COAST OF THE GULF OF TEHUANTEPEC... SUMMARY OF 500 AM PDT...1200 UTC...INFORMATION ---------------------------------------------- LOCATION...15.2N 95.0W ABOUT 70 MI...115 KM S OF SALINA CRUZ MEXICO MAXIMUM SUSTAINED WINDS...65 MPH...100 KM/H PRESENT MOVEMENT...NE OR 35 DEGREES AT 8 MPH...13 KM/H MINIMUM CENTRAL PRESSURE...995 MB...29.38 INCHES WATCHES AND WARNINGS -------------------- CHANGES WITH THIS ADVISORY... THE GOVERNMENT OF MEXICO HAS ISSUED A HURRICANE WARNING FROM PUERTO ANGEL TO BARRA DE TONALA. SUMMARY OF WATCHES AND WARNINGS IN EFFECT... A HURRICANE WARNING IS IN EFFECT FOR... * PUERTO ANGEL TO BARRA DE TONALA MEXICO A TROPICAL STORM WARNING IS IN EFFECT FOR... * BARRA DE TONALA TO BOCA DE PIJIJIAPAN MEXICO. A HURRICANE WARNING MEANS THAT HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WATCH AREA...IN THIS CASE WITHIN THE NEXT 12 HOURS. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM CONDITIONS ARE EXPECTED SOMEWHERE WITHIN THE WARNING AREA. FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR PRODUCTS ISSUED BY YOUR NATIONAL METEOROLOGICAL SERVICE. DISCUSSION AND 48-HOUR OUTLOOK ------------------------------ THIS SPECIAL ADVISORY IS IN LIEU OF THE SCHEDULED 500 AM PDT INTERMEDIATE ADVISORY. AT 500 AM PDT...1200 UTC...THE CENTER OF TROPICAL STORM BARBARA WAS LOCATED NEAR LATITUDE 15.2 NORTH...LONGITUDE 95.0 WEST. BARBARA IS MOVING TOWARD THE NORTHEAST NEAR 8 MPH...13 KM/H...AND A NORTHEAST TO NORTH-NORTHEAST MOTION IS EXPECTED TODAY. ON THE FORECAST TRACK...THE CENTER OF BARBARA WILL MAKE LANDFALL IN THE HURRICANE WARNING AREA LATER TODAY...AND MOVE OVER SOUTHEASTERN MEXICO TONIGHT. MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 65 MPH...100 KM/H...WITH HIGHER GUSTS. BARBARA IS FORECAST TO BECOME A HURRICANE BEFORE IT REACHES THE COAST. WEAKENING IS FORECAST AFTER THE CENTER MOVES INLAND...AND BARBARA IS EXPECTED TO DISSIPATE WITHIN THE NEXT DAY OR SO. TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM FROM THE CENTER. THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 995 MB...29.38 INCHES. HAZARDS AFFECTING LAND ---------------------- RAINFALL...BARBARA IS EXPECTED TO PRODUCE TOTAL RAIN ACCUMULATIONS OF 4 TO 8 INCHES OVER EASTERN OAXACA AND WESTERN CHIAPAS MEXICO... WITH ISOLATED MAXIMUM AMOUNTS OF 12 INCHES POSSIBLE IN SOUTHEASTERN OAXACA. THESE RAINS COULD CAUSE LIFE-THREATENING FLASH FLOODS AND MUD SLIDES. WIND...TROPICAL STORM CONDITIONS ARE EXPECTED TO REACH THE COAST WITHIN THE WARNING AREA THIS MORNING...MAKING OUTSIDE PREPARATIONS DIFFICULT OR DANGEROUS. HURRICANE CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA LATER TODAY. STORM SURGE...A STORM SURGE WILL RAISE WATER LEVELS BY 3 TO 5 FEET ABOVE NORMAL TIDE LEVELS ALONG THE IMMEDIATE COAST NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL. NEXT ADVISORY ------------- NEXT COMPLETE ADVISORY...800 AM PDT. $$ FORECASTER PASCH