ABPW10 PGTW 270600 COR MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS CORRECTED/270600Z-280600ZMAY2021// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 99W) PREVIOUSLY LOCATED NEAR 6.6N 146.9E IS NOW LOCATED NEAR 7.4N 145.8E, APPROXIMATELY 363 NM WEST OF CHUUK. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A WEAKLY DEFINED LOW LEVEL CIRCULATION WITH FLARING CONVECTION OVER THE EASTERN SEMICIRCLE. UPPER LEVEL ANALYSIS INDICATES LOW (05-10KTS) VERTICAL WIND SHEAR AND A DEVELOPING POLEWARD OUTFLOW CHANNEL. SEA SURFACE TEMPERATURES ARE FAVORABLE FOR DEVELOPMENT AT 29-30 DEGREES CELSIUS. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT INVEST 99W WILL CONTINUE TO TRACK WESTWARD AS IT DEVELOPS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW. (2) THE AREA OF CONVECTION (INVEST 90W) PREVIOUSLY LOCATED NEAR 5.7N 157.9E IS NOW LOCATED NEAR 5.1N 156.2E, APPROXIMATELY 163 NM SOUTHWEST OF POHNPEI. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS FLARING DEEP CONVECTION OVER A POORLY DEFINED LOW LEVEL CIRCULATION. UPPER LEVEL ANALYSIS INDICATES LOW (10-15KTS) VERTICAL WIND SHEAR AND A DEVELOPING POLEWARD OUTFLOW CHANNEL. SEA SURFACE TEMPERATURES ARE FAVORABLE FOR DEVELOPMENT AT 29-30 DEGREES CELSIUS. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT INVEST 90W WILL CONTINUE TO TRACK WESTWARD AS IT DEVELOPS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW. (3) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH PACIFIC AREA (WEST COAST OF SOUTH AMERICA TO 135 EAST): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// 3. JUSTIFICATION FOR CORRECTION: CORRECTED MANOP DTG AND POSITION FOR INVEST 90W.// NNNN