ABIO10 PGTW 081800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN /OCEAN/081800Z-091800ZFEB2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/081351ZFEB2022// 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: 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 08FEB22 1200Z, TROPICAL CYCLONE 08S (BATSIRAI) WAS LOCATED NEAR 28.3S 41.8E, APPROXIMATELY 376 NM SOUTH-SOUTHEAST OF EUROPA ISLAND, AND HAD TRACKED SOUTHWARD AT 15 KNOTS OVER THE PAST SIX HOURS. MAXIMUM SUSTAINED SURFACE WINDS WERE ESTIMATED AT 35 KNOTS GUSTING TO 45 KNOTS. SEE REF A (WTXS31 PGTW 081500) FOR THE FINAL WARNING ON THIS SYSTEM. (2) NO OTHER TROPICAL CYCLONES. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 93S) PREVIOUSLY LOCATED NEAR 11.5S 105.4E IS NOW LOCATED NEAR 16.9S 105.1E, APPROXIMATELY 387 NM SOUTH OF CHRISTMAS ISLAND. ANIMATED MULTISPECTRAL IMAGERY AND A 080950Z SSMIS 91GHZ IMAGE DEPICT A LOW LEVEL CIRCULATION (LLCC) WITH FORMATIVE BANDING WRAPPING INTO THE LLCC. IN ADDITION, THERE IS BROAD, WELL-DEFINED CONVECTION WITHIN THE CENTRAL PERIPHERY OF THE LLCC. ENVIRONMENTAL ANALYSIS INDICATES FAVORABLE CONDITIONS FOR DEVELOPMENT TO INCLUDE FAIR POLEWARD OUTFLOW, LOW (10-15KT) VERTICAL WIND SHEAR, AND WARM (27-28) SEA SURFACE TEMPERATURES. GLOBAL MODELS ARE IN AGREEMENT THAT THE INVEST 93S IS A COMPACT SYSTEM THAT WILL TRACK WEST-SOUTHWEST INTENSIFYING OVER THE NEXT 24 HOURS. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1002 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS HIGH. (2) NO OTHER SUSPECT AREAS. C. SUBTROPICAL SYSTEM SUMMARY: NONE.// NNNN