ABPW10 PGTW 070600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/070600Z-080600ZFEB2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/070551ZFEB2023// AMPN/REF A 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: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 99P) PREVIOUSLY LOCATED NEAR 12.4S 156.1E IS NOW LOCATED NEAR 13.2S 154.6E, APPROXIMATELY 329 NM NORTHEAST OF WILLIS ISLAND. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS AN ELONGATED LOW-LEVEL CIRCULATION PARTIALLY OBSCURED BY DEEP CONVECTION OVERHEAD. A 062325Z ASCAT-B BULLSEYE PASS REVEALS AN ELONGATED CIRCULATION WITH A SWATH OF 25-30 KNOT WINDS ALONG THE EASTERN QUADRANT. A 070007Z GMI 89GHZ MICROWAVE IMAGE REVEALS LIMITED CONVECTIVE BANDING WRAPPING INTO THE LLC FROM THE WESTERN TO NORTHERN QUADRANTS. INVEST 99P IS IN A FAVORABLE ENVIRONMENT WITH MODERATE EQUATORWARD OUTFLOW ALOFT, LOW TO MODERATE (15-20KT) VWS, AND VERY WARM (29-30C) SST. GLOBAL MODELS ARE IN AGREEMENT THAT INVEST 99P WILL TRACK SOUTH-SOUTHWESTWARD OVER THE NEXT 24-48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 27 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 A (WTPS21 PGTW 070600) FOR FURTHER DETAILS. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN