ABIO10 PGTW 191800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/191800Z-201800ZJAN2024// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/190751ZJAN2024// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/190151ZJAN2024// NARR/REF A IS A TROPICAL CYCLONE WARNING AND REF B IS A TROPICAL CYCLONE FINAL 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 19JAN24 0600Z, TROPICAL CYCLONE 06S (ANGGREK) WAS LOCATED NEAR 12.4S 92.9E, APPROXIMATELY 232 NM WEST OF THE COCOS ISLANDS, AND HAD TRACKED WEST- SOUTHWESTWARD AT 03 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 60 KNOTS GUSTING TO 75 KNOTS. SEE REF A (WTXS32 PGTW 190900) FOR FURTHER DETAILS. (2) AT 19JAN24 0000Z, TROPICAL CYCLONE 05S (BELAL) WAS LOCATED NEAR 23.3S 64.6E, APPROXIMATELY 450 NM EAST-SOUTHEAST OF PORT LOUIS, MAURITIUS, AND HAD TRACKED NORTHWESTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF B (WTXS31 PGTW 190300) FOR THE FINAL WARNING ON THIS SYSTEM. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN