ABPW10 PGTW 280600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/280600Z-290600ZSEP2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/280152ZSEP2022// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/280151ZSEP2022// REF/C/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/272121ZSEP2022// NARR/REFS A IS A TROPICAL CYCLONE FINAL WARNING AND B IS A TROPICAL CYCLONE WARNING. REF C IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 28SEP22 0000Z, TYPHOON 18W (NORU) WAS LOCATED NEAR 16.0N 107.8E, APPROXIMATELY 29 NM WEST OF DA NANG, VIETNAM, AND HAD TRACKED WESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 80 KNOTS GUSTING TO 100 KNOTS. SEE REF A (WTPN32 PGTW 280300) FOR THE FINAL WARNING ON THIS SYSTEM. (2) AT 28SEP22 0000Z, TROPICAL STORM 19W (KULAP) WAS LOCATED NEAR 32.1N 145.3E, APPROXIMATELY 339 NM EAST-SOUTHEAST OF YOKOSUKA, JAPAN, AND HAD TRACKED NORTHEASTWARD AT 14 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 60 KNOTS GUSTING TO 75 KNOTS. SEE REF B (WTPN31 PGTW 280300) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 97W) PREVIOUSLY LOCATED NEAR 19.3N 133.7E IS NOW LOCATED NEAR 20.6N 132.8E, APPROXIMATELY 441 NM SOUTHEAST OF KADENA AB, JAPAN. ANIMATED ENHANCED INFRARED (EIR) SATELLITE IMAGERY AND A 271644Z ASMR2 89GHZ MICROWAVE IMAGE DEPICT A LOW LEVEL CIRCULATION (LLC) WITH DEEP CONVECTION IN THE NORTHEASTERN PERIPHERY OF THE SYSTEM. THERE IS FORMATIVE BANDING WRAPPING INTO THE LLC. ENVIRONMENTAL ANALYSIS INDICATES STRONG CHANCE FOR TROPICAL CYCLONE FORMATION WITH VERY WARM (30-31C) SEA SURFACE TEMPERATURE, LOW (1015KTS) VERTICAL WIND SHEAR, AND STRONG POLEWARD OUTFLOW. GLOBAL MODELS ARE IN AGREEMENT THAT INVEST 97W WILL CONTINUE TO TRACK NORTHNORTHWEST AND CONTINUE TO INTENSIFY OVER THE NEXT 24-48HRS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 27 TO 33 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1003 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS HIGH. SEE REF C (WTPN21 PGTW 272130) FOR FURTHER DETAILS. (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.// NNNN