ABPW10 PGTW 080600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND /SOUTH PACIFIC OCEANS/080600Z-090600ZAPR2021// 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 92P) PREVIOUSLY LOCATED NEAR 12.6S 155.4E IS NOW LOCATED NEAR 12.6S 155.4E, APPROXIMATELY 384 NM NORTHEAST OF WILLIS ISLAND. ANIMATED MULTISPECTRAL SATELLITE IMAGERY, SUPPORTED BY A 080420Z GMI 89GHZ MICROWAVE IMAGE, REVEALS DISORGANIZED, FRAGMENTED CONVECTION SURROUNDING A PARTIALLY OBSCURE LOW LEVEL CIRCULATION (LLC) ELONGATED ALONG A NORTH-NORTHEAST TO SOUTH-SOUTHWEST AXIS. A 072247Z METOP-B ASCAT PASS REVEALS A VERY WEAK AND DISORGANIZED LLC WITH A LARGE AREA OF 15 KNOT WINDS WRAPPING AROUND THE NORTHERN PERIPHERY. INVEST 92P IS IN A FAVORABLE ENVIRONMENT FOR TROPICAL DEVELOPMENT WITH WARM (29-30C) SEA SURFACE TEMPERATURES, LOW (5-10KTS) VERTICAL WIND SHEAR (VWS), AND EXCELLENT POLEWARD OUTFLOW. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT INVEST 92P WILL CONSOLIDATE AS IT TRACKS TO THE SOUTHEAST, REMAINING LARGELY ASYMMETRIC, POTENTIALLY REACHING WARNING THRESHOLD IN THE NEXT SEVERAL DAYS. 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 REMAINS LOW. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN