ABIO10 PGTW 241800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN /OCEAN/241800Z-251800ZNOV2020// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/241351ZNOV2020// 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: (1) AT 24NOV20 1200Z, TROPICAL CYCLONE 04B (NIVAR) WAS LOCATED NEAR 9.8N 82.8E, APPROXIMATELY 833 NM SOUTH-SOUTHWEST OF KOLKATA, INDIA, AND HAD TRACKED NORTHWESTWARD AT 04 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 50 KNOTS GUSTING TO 65 KNOTS. SEE REF A (WTIO32 PGTW 241500) 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