ABIO10 PGTW 241800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/241800Z- 251800ZOCT2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/241352ZOCT2023// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/240751ZOCT2023// NARR/REF A IS A TROPICAL CYCLONE WARNING. REF B IS A TROPICAL CYCLONE FINAL WANRNING.// RMKS/ 1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: (1) AT 24OCT23 1200Z, TROPICAL CYCLONE 06B (HAMOON) WAS LOCATED NEAR 20.8N 91.2E, APPROXIMATELY 96 NM SOUTH-SOUTHWEST OF CHITTAGONG, AND HAD TRACKED EAST-NORTHEASTWARD AT 08 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 75 KNOTS GUSTING TO 90 KNOTS. SEE REF A (WTIO32 PGTW 241500) FOR FURTHER DETAILS. (2) AT 24OCT23 0600Z, TROPICAL CYCLONE 05A (TEJ) WAS LOCATED NEAR 15.7N 51.7E, APPROXIMATELY 159 NM WEST-SOUTHWEST OF SALALAH, OMAN, AND HAD TRACKED WEST-NORTHWESTWARD AT 03 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF B (WTIO31 PGTW 240900) FOR THE FINAL WARNING ON THIS SYSTEM. (3) 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