ABIO10 PGTW 161800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/161800Z-171800ZJAN2024// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/160751ZJAN2024// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/161351ZJAN2024// 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 16JAN24 0600Z, TROPICAL CYCLONE 06S (ANGGREK) WAS LOCATED NEAR 9.4S 93.8E, APPROXIMATELY 247 NM NORTHWEST OF COCOS ISLANDS, AND HAD TRACKED NORTHWESTWARD AT 01 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 40 KNOTS GUSTING TO 50 KNOTS. SEE REF A (WTXS32 PGTW 160900) FOR FURTHER DETAILS. (2) AT 16JAN24 1200Z, TROPICAL CYCLONE 05S (BELAL) WAS LOCATED NEAR 23.1S 59.8E, APPROXIMATELY 295 NM EAST-SOUTHEAST OF ST DENIS, AND HAD TRACKED EAST-SOUTHEASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 50 KNOTS GUSTING TO 65 KNOTS. SEE REF B (WTXS31 PGTW 161500) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN