ABPW10 PGTW 060200 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND /SOUTH PACIFIC OCEANS REISSUED/060200Z-060600ZSEP2021// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/060151ZSEP2021// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/05221ZSEP2021// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 06SEP21 0000Z, TROPICAL DEPRESSION 18W (EIGHTEEN) WAS LOCATED NEAR 10.5N 127.5E, APPROXIMATELY 453 NM EAST-SOUTHEAST OF MANILA, PHILIPPINES, AND HAD TRACKED WEST- NORTHWESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 30 KNOTS GUSTING TO 40 KNOTS. SEE REF A (WTPN31 PGTW 060300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 95W) PREVIOUSLY LOCATED NEAR 10.2N 128.5E IS NOW THE SUBJECT OF A TROPICAL CYCLONE WARNING. SEE PARA. 1.A.(1) FOR FURTHER DETAILS. (2)THE AREA OF CONVECTION (INVEST 94W) PREVIOUS LOCATED NEAR 12.6N 139.5E IS NOW LOCATED NEAR 13.2N 139.1E, APPROXIMATELY 328 NM WEST OF ANDERSEN AFB, GUAM. ANIMATED MULTISPECTRAL SATELLITE IMAGERY DEPICTS A COMPACT SYSTEM WITH PERSISTENT CONVECTION. A 052101Z SSMIS 91GHZ IMAGE SHOWS SOUTHEASTERLY FORMATIVE CONVECTIVE BAND WRAPPING INTO AN OBSCURED LLC. UPPER-LEVEL ANALYSIS REVEALS A FAVORABLE ENVIRONMENT WITH WARM SEA SURFACE TEMPERATURES (30C), LOW VWS (05-10KT) AND EQUATORIAL OUTFLOW. GLOBAL MODELS ARE IN GOOD AGREEMENT WITH 94 TRACKING NORTHWESTWARD WITH DEVELOPMENT AND INTENSIFICATION IN THE NEXT 12-36 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1007 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS HIGH. SEE REF B (WTPN21 PGTW 052330) FOR FURTHER DETAILS. (3) 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: UPGRADED AREA IN PARA. 1.B.(1) TO WARNING STATUS.// NNNN