####018001077#### ABIO10 PGTW 211800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/211800Z-221800ZMAR2024// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/211351ZMAR2024// 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 21MAR24 1200Z, TROPICAL CYCLONE 18S (NEVILLE) WAS LOCATED NEAR 17.7S 104.9E, APPROXIMATELY 587 NM WEST-NORTHWEST OF LEARMONTH, AUSTRALIA, AND HAD TRACKED WESTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 105 KNOTS GUSTING TO 130 KNOTS. SEE REF A (WTXS31 PGTW 211500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN