ABIO10 PGTW 221800 MSGID/GENADMIN/JOINT TYPHOON WRNCEN PEARL HARBOR HI// SUBJ/SIGNIFICANT TROPICAL WEATHER ADVISORY FOR THE INDIAN /OCEAN/221800Z-231800ZOCT2020// 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 93B) PREVIOUSLY LOCATED NEAR 18.1N 86.4E IS NOW LOCATED NEAR 19.1N 88.1E, APPROXIMATELY 255 NM SOUTH-SOUTHWEST OF KOLKATA, INDIA. ANIMATED ENHANCED INFRARED SATELLITE IMAGERY SHOWS AN AREA OF FLARING DEEP CONVECTION NORTHEAST OF THE LOW LEVEL CIRCULATION (LLC). A 221203Z SSMIS F-17 91GHZ MICROWAVE IMAGE HIGHLIGHTS THE DISORGANIZED NATURE OF THIS AREA OF CONVECTION. HOWEVER, A 2214320Z ASCAT-A PASS SHOWS A DEFINED LLC WITH MAX WINDS OF 20 KNOTS ALONG THE NORTHEAST PERIPHERY. 93B IS CURRENTLY IN A FAVORABLE ENVIRONMENT WITH GOOD UPPER LEVEL OUTFLOW, LOW (5 TO 15 KNOT) VERTICAL WIND SHEAR, AND WARM (29 TO 30 CELSIUS) SEA SURFACE TEMPERATURES OFFSET BY LAND INTERACTION AS IT APPROACHES THE INDIA-BANGLADESH BORDER. GLOBAL MODELS ARE IN GOOD AGREEMENT THAT 93B HAS A SMALL WINDOW TO CONSOLIDATE AND STRENGTHEN BEFORE LANDFALL. MAXIMUM SUSTAINED SURFACE WINDS ARE ESTIMATED AT 15 TO 20 KNOTS. MINIMUM SEA LEVEL PRESSURE IS ESTIMATED TO BE NEAR 1001 MB. THE POTENTIAL FOR THE DEVELOPMENT OF A SIGNIFICANT TROPICAL CYCLONE WITHIN THE NEXT 24 HOURS REMAINS LOW. (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