ABIO10 PGTW 291800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/291800Z- 301800ZJAN2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/291351ZJAN2025// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/290751ZJAN2025// NARR/REFS A AND B ARE TROPICAL CYCLONE WARNINGS.// 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 29JAN25 1200Z, TROPICAL CYCLONE 11S (ELEVEN) WAS LOCATED NEAR 14.6S 75.0E, APPROXIMATELY 473 NM SOUTH-SOUTHEAST OF DIEGO GARCIA, AND HAD TRACKED SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 30 KNOTS GUSTING TO 40 KNOTS. SEE REF A (WTXS31 PGTW 291500) FOR FURTHER DETAILS. (2) AT 29JAN25 0600Z, TROPICAL CYCLONE 12S (ELVIS) WAS LOCATED NEAR 25.0S 42.6E, APPROXIMATELY 214 NM SOUTHEAST OF EUROPA ISLAND, AND HAD TRACKED WEST-NORTHWESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 40 KNOTS GUSTING TO 50 KNOTS. SEE REF B (WTXS32 PGTW 290900) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN