ABPW10 PGTW 280600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/280600ZFEB2023-010600ZMAR2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/280151ZFEB2023// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// 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: (1) AT 28FEB23 0000Z, TROPICAL CYCLONE 15P (JUDY) WAS LOCATED NEAR 14.0S 168.6E, APPROXIMATELY 223 NM NORTH OF PORT VILA, VANUATU, AND HAD TRACKED SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 55 KNOTS GUSTING TO 70 KNOTS. SEE REF A (WTPS31 PGTW 280300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 96P) PREVIOUSLY LOCATED NEAR 14.2S 150.5E IS NOW LOCATED NEAR 12.6S 153.0E, APPROXIMATELY 386 NM EAST-SOUTHEAST OF PORT MORESBY, PAPUA NEW GUINEA. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) AND A 280324Z AMSR2 89GHZ MICROWAVE IMAGE REVEAL A SMALL AREA OF FLARING CONVECTION DISPLACED TO THE WEST OF A FULLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC). A 272343Z METOP-C ASCAT PASS SHOWS 25-30KT EASTERLY WINDS IN THE NORTHERN SEMI-CIRCLE. IT IS LIKELY THIS LLCC IS A SPINNER ASSOCIATED WITH A BROADER AREA OF ROTATION. INVEST 96P CURRENTLY SITS IN A MARGINALLY FAVORABLE ENVIRONMENT DUE TO HIGH (35-40KT) VWS, OFFSET BY WARM (29-30C) SST, AND GOOD POLEWARD OUTFLOW. GLOBAL MODELS AGREE ON AN INITIAL TRACK TOWARDS VANUATU. THE SYSTEM IS EXPECTED TO STEADILY CONSOLIDATE AND INTENSIFY OVER THE NEXT 36- 48 DAYS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1000 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS LOW. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN