ABPW10 PGTW 011600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/011600Z-020600ZMAR2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/011351ZMAR2023// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/011521ZMAR2023// NARR/REF A IS A TROPICAL CYCLONE WARNING. REF B 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: (1) AT 01MAR23 1200Z, TROPICAL CYCLONE 15P (JUDY) WAS LOCATED NEAR 20.2S 170.2E, APPROXIMATELY 185 NM SOUTHEAST OF PORT VILA, VANUATU, AND HAD TRACKED SOUTHEASTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 110 KNOTS GUSTING TO 135 KNOTS. SEE REF A (WTPS31 PGTW 011500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) AN AREA OF CONVECTION (INVEST 96P) HAS PERSISTED NEAR 13.5S 161.3E, APPROXIMATELY 250 NM SOUTH-SOUTHEAST OF HONIARA, SOLOMON ISLANDS. ANIMATED ENHANCED INFRARED (EIR) IMAGERY DEPICTS A MASS OF BLOOMING CONVECTION WITH RAGGED BANDING IN THE SOUTHERN PERIPHERY WRAPPING INTO AN ASSESSED LOW LEVEL CIRCULATION CENTER (LLCC). A 010803Z SSMIS 91 GHZ IMAGE SHOWS FRAGMENTED, SOMEWHAT SPIRALING BANDS OF DEEP CONVECTION WRAPPING INTO THE LLCC WITH THE HEAVIEST CONVECTION IN THE NORTHWEST QUADRANT. RECENT SCATTEROMETRY IMAGERY REVEALS A SLIGHTLY ELONGATED LLCC WITH 25-30 KNOT WIND BARBS PRESENT IN ALL QUADRANTS. INVEST 96B IS IN A MARGINALLY FAVORABLE ENVIRONMENT FOR TROPICAL DEVELOPMENT CHARACTERIZED BY CONSISTENT POLEWARD OUTFLOW ALOFT, MODERATE (15-20 KTS) VERTICAL WIND SHEAR (VWS), A WELL-DEFINED 850 MB VORTICITY SIGNATURE, AND VERY WARM (29-30 C) SEA SURFACE TEMPERATURES (SST). DETERMINISTIC AND ENSEMBLE MODEL GUIDANCE INDICATE INVEST 96P WILL CONSOLIDATE AND INTENSIFY WITHIN THE NEXT 18-24 HOURS AS IT TRANSITS SOUTHEASTWARD INTO AN AREA OF LOWER VWS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 28 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 998 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS UPGRADED TO HIGH. SEE REF B (WTPS21 PGTW 011530) FOR FURTHER DETAILS. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO HIGH.// NNNN