ABIO10 PGTW 201800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/201700Z- 211700ZJAN2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/190751ZJAN2023// AMPN/REF A 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 19JAN23 0600Z, TROPICAL CYCLONE 08S (CHENESO) WAS LOCATED NEAR 14.0S 49.9E, APPROXIMATELY 325 NM NORTH-NORTHEAST OF ANTANANARIVO, MADAGASCAR, AND HAD TRACKED WESTWARD AT 10 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 45 KNOTS GUSTING TO 55 KNOTS. SEE REF A (WTXS31 PGTW 190900) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN