ABPW10 PGTW 272200 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND /SOUTH PACIFIC OCEANS REISSUED/272200Z-280600ZFEB2021// 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 99P) PREVIOUSLY LOCATED NEAR 15.7S 148.1E IS NOW LOCATED NEAR 16.4S 148.9E, APPROXIMATELY 184 NM EAST OF CAIRNS, AUSTRALIA. ANIMATED MULTISPECTRAL SATELLITE IMAGERY, RADAR IMAGERY FROM WILLIS ISLAND, SURFACE OBSERVATIONS, AND A 271827Z SSMIS 91GHZ MICROWAVE IMAGE INDICATE A CONSOLIDATING LOW LEVEL CIRCULATION CENTER WITH FLARING DEEP CONVECTION IN THE SOUTHERN SEMICIRCLE. ENVIRONMENTAL ANALYSIS DEPICTS A FAVORABLE ENVIRONMENT WITH LOW TO MODERATE (15-20KTS) VERTICAL WIND SHEAR, GOOD UPPER LEVEL OUTFLOW, AND WARM (29-30C) SEA SURFACE TEMPERATURES. GLOBAL MODELS INDICATE A SOUTHWESTWARD TRACK TOWARD THE COAST OF AUSTRALIA OVER THE NEXT 36-48 HOURS WITH STEADY INTENSIFICATION. 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 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