ABIO10 PGTW 311800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN /OCEAN/311800ZJAN2022-011800ZFEB2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/311351ZJAN2022// 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 31JAN22 1200Z, TROPICAL CYCLONE 08S (BATSIRAI) WAS LOCATED NEAR 15.7S 63.2E, APPROXIMATELY 428 NM NORTHEAST OF PORT LOUIS, MAURITIUS, AND HAD TRACKED WEST- NORTHWESTWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 85 KNOTS GUSTING TO 105 KNOTS. SEE REF A (WTXS31 PGTW 311500) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN