ABIO10 PGTW 141800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN /141800Z-151800ZDEC2024// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/141351ZDEC2024// AMPN/REF A IS A TROPICAL CYCLONE WARNING.// RMKS/ 1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 2. SOUTH INDIAN OCEAN AREA (135E WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: (1) AT 14DEC24 1200Z, TROPICAL CYCLONE 04S (CHIDO) WAS LOCATED NEAR 13.1S 44.1E, APPROXIMATELY 399 NM NORTH-NORTHWEST OF ANTANANARIVO, MADAGASCAR, AND HAD TRACKED WEST- SOUTHWESTWARD AT 14 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 120 KNOTS GUSTING TO 145 KNOTS. SEE REF A (WTXS31 PGTW 141500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN