ABPW10 PGTW 012300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/012300Z-020600ZFEB2025// 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 91P) PREVIOUSLY LOCATED NEAR 18.5S 164.3E IS NOW LOCATED NEAR 18.9S 164.1E, APPROXIMATELY 236 NM WEST- SOUTHWEST OF PORT VILLA, VANUATU. ANIMATED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A FULLY-EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) EMBEDDED IN THE MONSOON TROUGH EXTENDING THROUGH THE SOUTH PACIFIC WITH FLARING CONVECTION TO THE SOUTHEAST OF THE SYSTEM ASSOCIATED WITH THE SOUTH PACIFIC CONVERGENCE ZONE (SPCZ). ENVIRONMENTAL ANALYSIS REVEALS MARGINAL CONDITIONS MOVING FORWARD WITH A GOOD EQUATORWARD OUTFLOW CHANNEL ALOFT AND VERY WARM SEA SURFACE TEMPERATURES OF 30-32 C, OFFSET BY MODERATE TO HIGH VERTICAL WIND SHEAR OF 30-35 KNOTS. GLOBAL DETERMINISTIC MODELS INDICATE WEAK DEVELOPMENT OVER THE NEXT 24 HOURS, WITH A SOUTHWARD TRACK AND A SMALL WINDOW OF POTENTIAL TC INTENSITY. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 28 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO MEDIUM. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO MEDIUM.// NNNN