ABIO10 PGTW 221800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN OCEAN 221800Z-231800ZOCT2022// REF/A/MSG/JOINT TYPHOON WRNCEN PEARL HARBOR HI/221451ZOCT2022// AMPN/REF A IS A TROPICAL CYCLONE FORMATION ALERT.// RMKS/ 1. NORTH INDIAN OCEAN AREA (MALAY PENINSULA WEST TO COAST OF AFRICA): A. TROPICAL CYCLONE SUMMARY: NONE. B. TROPICAL DISTURBANCE SUMMARY: (1) THE AREA OF CONVECTION (INVEST 92B) PREVIOUSLY LOCATED NEAR 11.6N 93.4E IS NOW LOCATED NEAR 14.5N 90.6E, APPROXIMATELY 475 NM SOUTH OF CHITTAGONG, BANGLADESH. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY SHOWS A BROAD BUT SLOWLY CONSOLIDATING SYSTEM WITH IMPROVED CONVECTIVE BANDING AND DEEP CONVECTION BUILDING OVER THE LOW LEVEL CIRCULATION CENTER (LLCC). A 221213Z SSMIS 91GHZ COLOR COMPOSITE MICROWAVE IMAGE REVEALS LONG, CURVED, DEEP, ALBEIT FRAGMENTED, CONVECTIVE BANDING WRAPPING IN FROM THE NORTHEASTERN PERIPHERY INTO A MORE DEFINED LLCC. ENVIRONMENTAL ANALYSIS INDICATES FAVORABLE CONDITIONS WITH WARM SEA SURFACE TEMPERATURES (29-30C), LOW VWS (10-15KTS), AND STRONG POLEWARD OUTFLOW ENHANCED BY A DEEP UPPER LEVEL TROUGH OVER INDIA. GLOBAL MODELS ARE IN AGREEMENT WITH 92B MOVING NORTHWARD INTO BANGLADESH OVER THE NEXT TWO DAYS WITH STEADY DEVELOPMENT. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 25 TO 30 KNOTS. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS HIGH. SEE REF A (WTIO21 PGTW 221500) FOR FURTHER DETAILS. (2) NO OTHER SUSPECT AREAS. 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