ABPW10 PGTW 180600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/180600Z-190600ZJAN2026// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/180151ZJAN2026// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. WESTERN NORTH PACIFIC AREA (180 TO MALAY PENINSULA): A. TROPICAL CYCLONE SUMMARY: (1) AT 18JAN26 0000Z, TROPICAL STORM 01W (NOKAEN) WAS LOCATED NEAR 14.4N 125.2E, APPROXIMATELY 244 NM EAST OF MANILA, PHILIPPINES, AND HAD TRACKED EAST-NORTHEASTWARD AT 02 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 40 KNOTS GUSTING TO 50 KNOTS. SEE REF A (WTPN31 PGTW 180300) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. 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 94P) PREVIOUSLY LOCATED NEAR 17.6S 159.8E IS NOW LOCATED NEAR 15.8S 157.7E, APPROXIMATELY 444 NM EAST OF WILLIS ISLAND, AUSTRALIA. ANIMATED ENHANCED MULTISPECTRAL SATELLITE IMAGERY (MSI) DEPICTS A WEAK LOW LEVEL CIRCULATION CENTER (LLCC) WITH ASSOCIATED MINIMAL CONVECTION. ENVIRONMENTAL ANALYSIS FOR THE AREA INDICATES A MARGINALLY FAVORABLE ENVIRONMENT FOR DEVELOPMENT WITH MODERATE VERTICAL WIND SHEAR (15-20 KT), GOOD EQUATORWARD OUTFLOW ALOFT, AND WARM SEA SURFACE TEMPERATURES (27-28 C). GLOBAL DETERMINISTIC AND ENSEMBLE MODELS ARE IN FAIR AGREEMENT FOR SLOW INTENSIFICATION OVER THE NEXT 24 HOURS WITH 94P MOVING IN A NORTHWARD DIRECTION. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 23 TO 28 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 996 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