ABIO10 PGTW 111800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/111800Z-121800ZMAR2021// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/110752ZMAR2021// AMPN/REF A IS A TROPICAL CYCLONE 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 11MAR21 0600Z, TROPICAL CYCLONE 24S (HABANA) WAS LOCATED NEAR 17.5S 74.4E, APPROXIMATELY 631 NM EAST OF PORT MATHURIN, RODRIGUES ISLAND, MAURITIUS, AND HAD TRACKED WESTWARD AT 05 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 125 KNOTS GUSTING TO 150 KNOTS. SEE REF A (WTXS32 PGTW 110900) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN