ABIO10 PGTW 041800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/041800Z-051800ZDEC2021// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/031352ZDEC2021// 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: (1) AT 04DEC21 0600Z, TROPICAL CYCLONE 05B (JAWAD) WAS LOCATED NEAR 16.1N 84.9E, APPROXIMATELY 437 NM SOUTH-SOUTHWEST OF KOLKATA, INDIA AND HAD TRACKED NORTHWARD AT 06 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 30 KNOTS GUSTING TO 40 KNOTS. SEE REF A (WTIO31 PGTW 040900) FOR FURTHER DETAILS. (2) NO OTHER TROPICAL CYCLONES. 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: NONE. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN