ABIO10 PGTW 131800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN/131800Z- 141800ZFEB2023// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/131351ZFEB2023// REF/B/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/130753ZFEB2023// NARR/REFS A AND B ARE TROPICAL CYCLONE WARNINGS.// 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 13FEB23 1200Z, TROPICAL CYCLONE 11S (FREDDY) WAS LOCATED NEAR 15.4S 94.6E, APPROXIMATELY 238 NM SOUTH-SOUTHWEST OF THE COCOS ISLANDS, AND HAD TRACKED WESTWARD AT 12 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 90 KNOTS GUSTING TO 110 KNOTS. SEE REF A (WTXS31 PGTW 131500) FOR FURTHER DETAILS. (2) AT 13FEB23 0600Z, TROPICAL CYCLONE 13S (DINGANI) WAS LOCATED NEAR 18.9S 73.4E, APPROXIMATELY 913 NM EAST OF PORT LOUIS, MAURITIUS, AND HAD TRACKED SOUTHWESTWARD AT 07 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 80 KNOTS GUSTING TO 100 KNOTS. SEE REF B (WTXS32 PGTW 130900) FOR FURTHER DETAILS. (3) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: NONE. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN