ABPW10 PGTW 162000 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS REISSUED/162000Z-170600ZOCT2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/161351ZOCT2022// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/151921ZOCT2022// NARR/REF A IS A TROPICAL CYCLONE WARNING. REF B IS A TROPICAL CYCLONE FORMATION ALERT CANCELLATION.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 16OCT22 1200Z, TYPHOON 23W (NESAT) WAS LOCATED NEAR 19.8N 118.9E, APPROXIMATELY 334 NM NORTH- NORTHWEST OF MANILA, PHILIPPINES, AND HAD TRACKED WEST-NORTHWESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 75 KNOTS GUSTING TO 90 KNOTS. SEE REF A (WTPN33 PGTW 161500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: (1) THE AREA OF CONVECTION (INVEST 91W) PREVIOUSLY LOCATED NEAR 26.5N 153.4E IS NOW LOCATED NEAR 27.6N 156.7E, APPROXIMATELY 995 NM EAST-SOUTHEAST OF YOKOSUKA, JAPAN. THE SYSTEM IS CURRENTLY CLASSIFIED AS A SUBTROPICAL DEPRESSION, GENERALLY CHARACTERIZED AS HAVING BOTH TROPICAL AND MIDLATITUDE CYCLONE FEATURES. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY AND A 161537Z AMSR2 89 GHZ MICROWAVE IMAGE DEPICTS A FULLY EXPOSED LOW LEVEL CIRCULATION CENTER (LLCC) WITH A BROAD ELONGATED CIRCULATION IN WHICH THE CONVECTION IS BEING SHEARED AWAY TO THE NORTHEAST. ENVIRONMENTAL ANALYSIS REVEALS A MARGINALLY FAVORABLE ENVIRONMENT, WITH DECENT POLEWARD OUTFLOW, LOW (10-15KT) VWS, OFFSET BY COOLER (26-25C) SEA SURFACE TEMPERATURES. GLOBAL MODELS ARE IN AGREEMENT THAT THE SYSTEM IS LOSING JET SUPPORT, AND WILL CONTINUE TO WEAKEN SLOWLY OVER THE NEXT 24-48 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 20 TO 25 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1006 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS IS DOWNGRADED TO LOW. SEE REF B (WTPN21 PGTW 151930) FOR FURTHER DETAILS. (2) NO OTHER SUBTROPICAL SYSTEMS. 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: DOWNGRADED AREA IN PARA 1.C.(1) TO LOW// NNNN