ABIO10 PGTW 301800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/301800Z- 311800ZJAN2025// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/301351ZJAN2025// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/301751ZJAN2025// 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 30JAN25 1200Z, TROPICAL CYCLONE 11S (ELEVEN) WAS LOCATED NEAR 16.6S 69.9E, APPROXIMATELY 590 NM SOUTH-SOUTHWEST OF DIEGO GARCIA, AND HAD TRACKED WEST- SOUTHWESTWARD AT 13 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTXS31 PGTW 301500) FOR FURTHER DETAILS. (2) AT 30JAN25 0600Z, TROPICAL CYCLONE 12S (ELVIS) WAS LOCATED NEAR 26.8S 44.2E, APPROXIMATELY 352 NM SOUTHEAST OF EUROPA ISLAND, AND HAD TRACKED SOUTH-SOUTHEASTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 40 KNOTS GUSTING TO 50 KNOTS. SEE REF B (WTXS32 PGTW 300900) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN