ABPW10 PGTW 201200 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/201200Z-210600ZFEB2023// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 99W) PREVIOUSLY LOCATED NEAR 16.0N 123.6E IS NOW LOCATED NEAR 17.2N 124.3E, APPROXIMATELY 246 NM NORTHEAST OF MANILA, PHILIPPINES. ANIMATED ENHANCED INFRARED IMAGERY (EIR) AND A 200854Z SSMIS 91GHZ MICROWAVE PASS SHOWS AN AREA OF DEEP CONVECTION DISPLACED TO THE NORTHEAST OF A LOW LEVEL CIRCULATION CENTER (LLCC). ENVIRONMENTAL ANALYSIS REVEALS THAT 99W IS IN A MARGINALLY FAVORABLE REGION FOR DEVELOPMENT AS A RESULT OF MODERATE TO HIGH (15-20KT) VWS, OFFSET BY GOOD POLEWARD OUTFLOW AND WARM (26-27C) SSTS. THE VWS IS EXPECTED TO INCREASE SIGNIFICANTLY TO 30-40 KNOTS BETWEEN NOW AND TAU 24, THEN OVER 40 KNOTS BY TAU 36. IN ADDITION, THE MID-LEVEL MOISTURE IS EXPECTED TO GRADUALLY DECREASE OVER THE NEXT 48 HOURS AS DRY AIR FORM THE NORTHEAST COLD SURGE WILL INFRINGE INTO THE CIRCULATION. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1004 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO LOW. (2) NO OTHER SUSPECT AREAS. 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: NONE. 3. JUSTIFICATION FOR REISSUE: DOWNGRADED AREA IN PARA 1.B.(1) TO LOW.// NNNN