ABPW10 PGTW 310600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS 310600Z-010600ZJAN2023// 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: NONE. C. SUBTROPICAL SYSTEM SUMMARY: (1) THE AREA OF CONVECTION (INVEST 91P) PREVIOUSLY LOCATED NEAR 24.4S 170.5E IS NOW LOCATED NEAR 24.6S 168.2E, APPROXIMATELY 173 NM SOUTHEAST OF NOUMEA, NEW CALEDONIA. THE SYSTEM IS CURRENTLY CLASSIFIED AS A SUBTROPICAL STORM, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL AND MID-LATITUDE CYCLONE FEATURES. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A VERY BROAD LOW-LEVEL CIRCULATION WITH ISOLATED CONVECTION FLARING OVER THE SOUTHERN QUADRANT. A 302132Z ASCAT-B IMAGE REVEALS AN ASYMMETRIC CIRCULATION WITH 30-35 KNOT WINDS OVER THE SOUTHERN SEMICIRCLE. INVEST 91P IS LOCATED UNDER A NORTHERLY SUBTROPICAL JET WITH 40-50 KNOTS OF VERTICAL WIND SHEAR AND MODERATE BAROCLINICITY. GLOBAL MODELS INDICATE A MEANDERING SOUTHWARD TRACK WITH PERSISTENT UNFAVORABLE CONDITIONS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 30 TO 35 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 MB. FOR HAZARDS AND WARNINGS, REFERENCE THE FLEET WEATHER CENTER SAN DIEGO HIGH WINDS AND SEAS PRODUCT OR REFER TO LOCAL WMO DESIGNATED FORECAST AUTHORITY. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW. (2) NO OTHER SUBTROPICAL SYSTEMS. NNNN