000 ABPZ20 KNHC 290552 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 1100 PM PDT TUE MAY 28 2013 FOR THE EASTERN NORTH PACIFIC...EAST OF 140 DEGREES WEST LONGITUDE.. THE NATIONAL HURRICANE CENTER IS ISSUING ADVISORIES ON TROPICAL STORM BARBARA...LOCATED OVER THE GULF OF TEHUANTEPEC. SHOWER AND THUNDERSTORM ACTIVITY ASSOCIATED WITH THE LOW PRESSURE AREA LOCATED ABOUT 850 MILES SOUTH-SOUTHWEST OF THE SOUTHERN TIP OF THE BAJA CALIFORNIA PENNISULA HAS CHANGED LITTLE IN ORGANIZATION THIS EVENING. SOME SLOW DEVELOPMENT OF THIS SYSTEM IS POSSIBLE AS IT MOVES TOWARD THE NORTH OR NORTH-NORTHEAST AT 5 TO 10 MPH DURING THE NEXT COUPLE OF DAYS. THIS DISTURBANCE HAS A MEDIUM CHANCE...30 PERCENT...OF BECOMING A TROPICAL CYCLONE DURING THE NEXT 48 HOURS. ELSEWHERE...TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 48 HOURS. && PUBLIC ADVISORIES ON TROPICAL STORM BARBARA ARE ISSUED UNDER WMO HEADER WTPZ32 KNHC AND UNDER AWIPS HEADER MIATCPEP2. FORECAST/ADVISORIES ON TROPICAL STORM BARBARA ARE ISSUED UNDER WMO HEADER WTPZ22 KNHC AND UNDER AWIPS HEADER MIATCMEP2. $$ FORECASTER BROWN