ABPW10 PGTW 270600 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE WESTERN AND SOUTH PACIFIC OCEANS/270600Z-280600ZFEB2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/270151ZFEB2025// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/270152ZFEB2025// NARR/REFS A AND B ARE TROPICAL CYCLONE WARNINGS.// 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: (1) AT 27FEB25 0000Z, TROPICAL CYCLONE 18P (ALFRED) WAS LOCATED NEAR 16.7S 155.4E, APPROXIMATELY 551 NM EAST OF CAIRNS, AUSTRALIA, AND HAD TRACKED SOUTHWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 95 KNOTS GUSTING TO 115 KNOTS. SEE REF A (WTPS31 PGTW 270300) FOR FURTHER DETAILS. (2) AT 27FEB25 0000Z, TROPICAL CYCLONE 21P (SERU) WAS LOCATED NEAR 21.9S 171.0E, APPROXIMATELY 273 NM EAST OF NOUMEA, NEW CALEDONIA, AND HAD TRACKED SOUTH-SOUTHEASTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF B (WTPS33 PGTW 270300) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN