ABPW10 PGTW 192030 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/192030Z-200600ZJAN2024// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/192021ZJAN2024// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. 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: (1) THE AREA OF CONVECTION (INVEST 90P) PREVIOUSLY LOCATED NEAR 14.2S 157.0E IS NOW LOCATED NEAR 13.8S 155.5E, APPROXIMATELY 355 NM EAST-NORTHEAST OF WILLIS ISLAND. ANIMATED EIR IMAGERY AND A 191731Z SSMIS 91GHZ DEPICT A FORMATIVE SPIRAL BANDING WRAPPING INTO A WELL DEFINED LLCC. UPPER-LEVEL ANALYSIS REVEALS A MARGINALLY FAVORABLE ENVIRONMET, WITH WEAK POLEWARD DIVERGENCE ALOFT, WARM SSTS (30 C), OFFSET BY HIGH VWS (20-30 KT). GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 90P WILL CONTINUE TRACKING SOUTHWESTWARD AND FURTHER DEVELOP OVER THE NEXT 24-36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 27 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 997 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: NNNN