ABIO10 PGTW 011800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN /011800Z-021800ZAPR2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/011352ZAPR2022// 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 01APR22 1200Z, TROPICAL CYCLONE 22S (HALIMA) WAS LOCATED NEAR 19.3S 84.5E, APPROXIMATELY 1012 NM SOUTHEAST OF DIEGO GARCIA, AND HAD TRACKED NORTHWESTWARD AT 01 KNOT OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTXS32 PGTW 011500) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE. NNNN