ABIO10 PGTW 310300 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN REISSUED/310300ZJAN2024-311800ZFEB2024// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/310151ZJAN2024// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/301951ZJAN2024// 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 31JAN24 0000Z, TROPICAL CYCLONE 09S (NINE) WAS LOCATED NEAR 19.7S 66.0E, APPROXIMATELY 491 NM EAST OF PORT LOUIS, MAURITIUS, AND HAD TRACKED SOUTHEASTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTXS31 PGTW 310300) FOR FURTHER DETAILS. (2) AT 30JAN24 1800Z, TROPICAL CYCLONE 06S (ANGGREK) WAS LOCATED NEAR 30.6S 76.1E, APPROXIMATELY 1196 NM SOUTHEAST OF PORT LOUIS, MAURITIUS, AND HAD TRACKED EAST- SOUTHEASTWARD AT 15 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 90 KNOTS GUSTING TO 110 KNOTS. SEE REF B (WTXS32 PGTW 302100) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 93S) PREVIOUSLY LOCATED NEAR 18.8S 64.5E IS NOW THE SUBJECT OF A TROPICAL CYCLONE WARNING. SEE PARA. 2.A.(1) FOR FURTHER DETAILS. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE. 3. JUSTIFICATION FOR REISSUE: UPGRADED AREA IN PARA 2.B.(1) TO WARNING STATUS.// NNNN